Weakness (CWE)
CWE-918: Server-Side Request Forgery
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
How to prevent it (3 mitigations)
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Implementation, Operation
If there is a known list of applications, IP, hostname, and/or domains to which the product is allowed to communicate, then use allowlists to ensure that outgoing requests are restricted to these known entities. The allowlists could be in the application code or possibly enforced by firewalls or network segmentation [REF-1511].
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Implementation, Operation
If the product is expected to be able to connect to arbitrary IP addresses or domains, consider using a denylist that includes private network addresses, internal domain names, etc. The denylist could be in the application code or possibly enforced by firewalls or network segmentation [REF-1511].
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Implementation
Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
When constructing outgoing requests from input strings, use stringent allowlists that limit the character set based on the expected value of the parameter in the request. This will indirectly limit the scope of an attack, but this technique is less important than proper output encoding and escaping.
Source: MITRE CWE-918
3,819 results · Feed
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Medium 6.3
mosaxiv clawlet IPv4 tool_web_fetch.go web_fetch server-side request forgery
A weakness has been identified in mosaxiv clawlet up to 0.2.10. The impacted element is the function web_fetch of the file tools/tool_web_fetch.go of the component IPv4 Handler. This manipulation of the argument url causes server-side request forgery. The att…
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High 8.5
OpenClaw < 2026.6.6 Policy Bypass via CDP Discovery
OpenClaw before 2026.6.6 contains a policy bypass vulnerability in browser CDP discovery that accepts blocked WebSocket URLs. Attackers with lower-trust access can reach network destinations that should have been blocked by OpenClaw policy when the affected f…
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High 8.6
Spring Boot Admin Server < 4.1.2 SSRF via Unauthenticated Instance Registration
Spring Boot Admin Server before 4.1.2 contains a server-side request forgery vulnerability that allows unauthenticated attackers to register instances with attacker-controlled healthUrl and managementUrl parameters without validation against private IP ranges…
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High 7.4
CrewAI < 1.15.1 SSRF Filter Bypass via HTTP Redirect in Scrape Tools
CrewAI before 1.15.1 contains a server-side request forgery vulnerability in the validate_url function that performs one-shot DNS resolution and blocklist checks before returning the original URL unchanged. Attackers can bypass the security filter by supplyin…
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High 7.4
Laravel-Mediable < 7.0.0 SSRF via RemoteUrlAdapter URL Handling
Laravel-Mediable before 7.0.0 contains a server-side request forgery vulnerability that allows remote attackers to issue arbitrary HTTP requests from the server by supplying unvalidated caller-controlled URLs to endpoints backed by MediaUploader::fromSource()…
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High 7.2
NukeViet: Pre-authentication SSRF via X-Forwarded-Host
## Summary An unauthenticated attacker can coerce the server into issuing HTTP requests to an attacker-chosen host by spoofing the `X Forwarded-Host` (and `X-Forwarded-Proto`) request headers. The forwarded host is used, without validation, to build the URL t…
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Medium 6.5
Apache Gravitino: Authenticated SSRF in Gravitino JobManager allows server-side HTTP requests to internal network and cloud metadata endpoints via unvalidated job template URIs
Authenticated SSRF in Gravitino JobManager allows server-side HTTP requests to internal network and cloud metadata endpoints via unvalidated job template URIs. A vulnerability in Apache Gravitino. This issue affects Apache Gravitino: from 1.0.0 through 1.2.1.…
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Medium 4.9
WordPress Auto Featured Image (Auto Post Thumbnail) plugin <= 5.0.4 - Server Side Request Forgery (SSRF) vulnerability
Server-Side Request Forgery (SSRF) vulnerability in Themeisle Auto Featured Image (Auto Post Thumbnail) auto-post-thumbnail allows Server Side Request Forgery.This issue affects Auto Featured Image (Auto Post Thumbnail): from n/a through <= 5.0.4.
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High 7.2
WordPress PDF Generator for WordPress plugin <= 1.6.2 - Server Side Request Forgery (SSRF) vulnerability
Server-Side Request Forgery (SSRF) vulnerability in WP Swings PDF Generator for WordPress pdf-generator-for-wp allows Server Side Request Forgery.This issue affects PDF Generator for WordPress: from n/a through <= 1.6.2.
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Medium 6.4
WordPress Instant Image Generator plugin <= 2.1.4 - Server Side Request Forgery (SSRF) vulnerability
Server-Side Request Forgery (SSRF) vulnerability in bdthemes Instant Image Generator ai-image allows Server Side Request Forgery.This issue affects Instant Image Generator: from n/a through <= 2.1.4.
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High 7.2
WordPress WPJAM Basic plugin <= 7.0 - Server Side Request Forgery (SSRF) vulnerability
Server-Side Request Forgery (SSRF) vulnerability in denishua WPJAM Basic wpjam-basic allows Server Side Request Forgery.This issue affects WPJAM Basic: from n/a through <= 7.0.
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High 8.3
Server-Side Request Forgery protection bypass in misp-modules html_to_markdown via IPv4-mapped IPv6 addresses
A Server-Side Request Forgery (SSRF) protection bypass existed in the html_to_markdown expansion module of misp-modules. The module attempts to prevent requests to loopback, private, link-local, and other restricted IP address ranges. However, IP addresses we…
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Medium 6.3
kLOsk adloop write.py _validate_urls server-side request forgery
A vulnerability was detected in kLOsk adloop up to 0.9.0. This vulnerability affects the function _validate_urls of the file src/adloop/ads/write.py. Performing a manipulation of the argument final_url results in server-side request forgery. The attack may be…
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High 7.3
LogicalDOC Enterprise Version up to and before v9.1.1 is vulnerable to Server-Side Request Forgery (SSRF). An unauthent…
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Medium 6.3
Helicone ai-gateway AWS Metadata Service service.rs build_target_url server-side request forgery
A flaw has been found in Helicone ai-gateway up to 0.2.0-beta.30. This affects the function build_target_url of the file ai-gateway/src/dispatcher/service.rs of the component AWS Metadata Service. Executing a manipulation of the argument extracted_path_and_qu…
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Medium 6.3
AstrBotDevs AstrBot MCP Test Endpoint tools.py ToolsRoute.test_mcp_connection server-side request forgery
A security vulnerability has been detected in AstrBotDevs AstrBot up to 4.25.2. Affected by this issue is the function ToolsRoute.test_mcp_connection of the file astrbot/dashboard/routes/tools.py of the component MCP Test Endpoint. The manipulation of the arg…
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High 8.2
Crawl4AI - LLM Credential Exfiltration via base_url and Environment Variable Resolution
Crawl4AI before 0.8.8 contains credential exfiltration vulnerabilities in the Docker API server that allow attackers to redirect LLM API calls to attacker-controlled endpoints and read arbitrary environment variables. Attackers can exploit the unauthenticated…
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Medium 6.3
AstrBotDevs AstrBot market_list Endpoint plugin.py get_online_plugins server-side request forgery
A weakness has been identified in AstrBotDevs AstrBot up to 4.25.2. Affected by this vulnerability is the function get_online_plugins of the file astrbot/dashboard/routes/plugin.py of the component market_list Endpoint. Executing a manipulation of the argumen…
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High 8.5
PraisonAI before 1.6.78 SSRF via Crawl4AI Chromium backend
PraisonAI versions before 1.6.78 contain a server-side request forgery vulnerability in the Crawl4AI/Chromium backend that allows attackers to bypass SSRF validation by exploiting DNS rebinding and HTTP redirects. Attackers can craft URLs that resolve to inte…
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Low 3.1
Drupal core - Moderately critical - Server-side request forgery - SA-CORE-2026-008
Server-Side Request Forgery (SSRF) vulnerability in Drupal Drupal core allows Server Side Request Forgery. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11…
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Low 3.3CVE-2026-13233 Public exploit
OpenAI Provider - Moderately critical - Server-side Request Forgery - SA-CONTRIB-2026-053
Server-Side Request Forgery (SSRF) vulnerability in Drupal OpenAI Provider allows Server Side Request Forgery. This issue affects OpenAI Provider versions: from 0.0.0 to 1.1.1, from 1.2.0 to 1.2.2.
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Medium 5.8
Mailpit: Incomplete SSRF protection in Link Check API via IPv6 transition mechanisms (follow-up to CVE-2026-27808)
Mailpit is an email testing tool and API for developers. Prior to 1.30.2, the remediation shipped for CVE-2026-27808 is incomplete because the tools.IsInternalIP deny-list in internal/tools/net.go relies on Go's standard library classification helpers and doe…
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High 8.1
TypeBot: SSRF protection bypass via IPv6 unspecified address in Typebot HTTP request execution
TypeBot is a chatbot builder tool. Prior to 3.17.2, Typebot's shared SSRF validator in packages/lib/src/ssrf/validateHttpReqUrl.ts can be bypassed with the IPv6 unspecified address :: because validateIPAddress blocks local, metadata, and private ranges but do…
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Medium 6.9
Misskey: SSRF bypass in URL Preview
Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a Server-Side Request Forgery (SSRF) vulnerability in URL preview functionality in UrlPreviewService. Due to missing network restrictions before establishing outbo…
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High 7.5CVE-2026-55229 Scanner template
Gotenberg: SSRF via LibreOffice document processing
Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.34.0, Gotenberg's /forms/libreoffice/convert endpoint allows a specially crafted document to cause LibreOffice to automatically retrieve external HTTP(S) resources and local file resources …
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Medium 6.5
RabbitMQ: UNC SSRF affecting the management UI on Windows
RabbitMQ is a messaging and streaming broker. Prior to 4.1.11 and 4.2.6 on Windows, the RabbitMQ management plugin static file handler rabbit_mgmt_wm_static can pass URL-encoded backslashes to erl_prim_loader:read_file_info before path validation when multipl…
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High 7.4
Coturn: IPv4-mapped 127.0.0.1 bypasses default loopback peer protection
Coturn is a free open source implementation of TURN and STUN Server. Prior to 4.13.0, coturn rejects loopback peers by default unless allow-loopback-peers is enabled, but the default loopback guard can be bypassed by using the IPv4-mapped IPv6 peer address ::…
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Low 2.3
ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components
ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist hand…
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High 8.2
9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + SSRF
9Router is an AI router & token saver. Prior to 0.5.2, 9router determines whether a /v1 LLM proxy request is local by reading the client-controlled Host header, allowing a remote unauthenticated attacker to send Host: localhost and bypass API-key authenticati…
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High 7.4
9router: Image prefetch DNS rebinding allows SSRF to internal services
9Router is an AI router & token saver. Prior to 0.5.2, 9router validates image URLs by resolving the host before fetching, but open-sse/translator/concerns/image.js performs the later server-side image fetch with a separate DNS resolution. An authenticated at…
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Critical 9.3
Guardrails-detectors: guardrails-detectors: ssrf and local file read via user-supplied xml schema (xml-with-schema:)
A flaw was found in the file_type content detector of guardrails-detectors. This vulnerability allows a remote attacker to supply an arbitrary XML Schema Definition (XSD) string, which is processed without proper restrictions. This can lead to server-side req…
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High 7.2
PraisonAI before 4.6.78 Unauthenticated SSRF via webhook_url
PraisonAI before 4.6.78 contains an unauthenticated server-side request forgery vulnerability in the Jobs API /api/v1/runs endpoint. The webhook_url parameter is validated at request time but re-resolved at connection time, allowing attackers to use DNS rebin…
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High 8.6
Crawl4AI - Server-Side Request Forgery via Webhook URLs
Crawl4AI before 0.8.7 contains a server-side request forgery (SSRF) vulnerability in the Docker API server's /crawl/job and /llm/job endpoints, which accept webhook URLs without destination validation. An attacker can supply webhook URLs pointing to private o…
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Critical 9.3
Guardrails-detectors: guardrails-detectors: ssrf and local file read via user-supplied xml schema (xml-with-schema:)
A flaw was found in the `guardrails-detectors` component. This vulnerability allows a remote attacker to perform a blind Server-Side Request Forgery (SSRF) by submitting a specially crafted XML Schema Definition (XSD) string. This can lead to unauthorized acc…
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Medium 6.4
All-in-One Video Gallery <= 4.8.5 - Authenticated (Subscriber+) Server-Side Request Forgery via 'vdl' Parameter
The All-in-One Video Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 4.8.5 via the 'vdl' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to …
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High 7.3
zhayujie CowAgent Vision Tool vision.py _download_to_data_url server-side request forgery
A vulnerability was determined in zhayujie CowAgent up to 2.1.1. Impacted is the function _build_image_content/_download_to_data_url of the file agent/tools/vision/vision.py of the component Vision Tool. Executing a manipulation of the argument image can lead…
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Medium 6.3
Sipeed PicoClaw Guarded Web Fetch Flow web.go WebFetchTool.Execute server-side request forgery
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. Affected by this vulnerability is the function WebFetchTool.Execute of the file pkg/tools/integration/web.go of the component Guarded Web Fetch Flow. The manipulation results in server-side r…
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High 7.7
New API: SSRF Protection Bypass via Unresolved Hostname in Notification URLs
New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior to 0.12.0-alpha.1, the default SSRF protection configuration did not apply IP filtering to hostnames; with ApplyIPFilterForDomain disabled by defaul…
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Medium 4.4
PAN-OS: Server-Side Request Forgery Vulnerability in Management Web Interface
A server-side request forgery (SSRF) vulnerability in Palo Alto Networks PAN-OS software enables an authenticated administrator with network access to the management web interface to make unauthorized requests from the firewall to internal services. The secur…
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High 7.7
open-webui terminal proxy path traversal guard bypass via 9x encoded traversal
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _sanitize_proxy_path in backend/open_webui/routers/terminals.py decoded proxy paths only eight times, allowing a nine-times percent-encoded ../ tra…