Weakness (CWE)
CWE-348: Use of Less Trusted Source
The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.
Source: MITRE CWE-348
111 results · Feed
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Medium 6.1
fastify vulnerable to X-Forwarded-* spoofing under trustProxy hop-count
fastify is a fast and low overhead web framework for Node.js. Impact: the fix for CVE-2026-3635 added a guard on the forwarded-header reads used to derive the request host, protocol, hostname, ip, and ips values, checking the connecting address. That guard cl…
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Medium 6.5
go-chi chi before 5.3.0 IP Spoofing via RealIP Middleware
go-chi/chi through 5.2.1 contains an IP spoofing vulnerability in the RealIP middleware (middleware/realip.go). The realIP() function reads client-controlled headers (True-Client-IP, X-Real-IP, and X-Forwarded-For) and overwrites r.RemoteAddr without verifyin…
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Medium 5.9
Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header
Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The Allow…
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Low 3.7
Ghost CLI < 1.30.1 IP Spoofing via X-Forwarded-For Header
Ghost CLI before 1.30.1 contains an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass rate-limiting controls by manipulating the X-Forwarded-For header through a misconfigured Nginx configuration. Attackers can append attacker-c…
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Medium 4.8
CodeIgniter: Spoofable forwarded HTTPS headers in IncomingRequest::isSecure()
CodeIgniter is a PHP full-stack web framework. In versions prior to 4.7.4, IncomingRequest::isSecure() trusted the X-Forwarded-Proto and Front-End-Https headers from any incoming request, allowing an attacker could spoof these headers and cause the applicatio…
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Medium 6.3
'response-ip'/'rpz' can rewrite BOGUS answers instead of returning SERVFAIL
In NLnet Labs Unbound 1.6.2 up to and including 1.25.1, when Unbound is configured with the 'respip' module in front of the validator together with a 'response-ip' redirect rule or an RPZ file with an RPZ-IP trigger, the rewriting handler does not check the s…
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High 7.5
Glance 0.8.5 IP Spoofing Authentication Brute-Force Protection Bypass
Glance through 0.8.5 contains an IP address spoofing vulnerability in the authentication handler that allows unauthenticated attackers to bypass brute-force lockout protections by supplying arbitrary values in the X-Forwarded-For request header when the serve…
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High 7.5
FileCodeBox < 2.4 Anti-bruteforce Rate Limit Bypass via Spoofed Headers
FileCodeBox before 2.4 contains a rate-limit bypass vulnerability in the IPRateLimit class that allows unauthenticated attackers to circumvent request throttling by supplying attacker-controlled X-Real-IP and X-Forwarded-For headers without verification of tr…
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High 8.2
Caddy Defender trusted proxy client IP bypass
The Caddy Defender plugin is a middleware for Caddy that allows users to block or manipulate requests based on the client's IP address. Prior to version 0.10.1, Caddy Defender used `r.RemoteAddr` when evaluating whether a request should be blocked. `RemoteAdd…
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High 8.8
Eclipse Kura versions prior to 5.6.2 trust the client-supplied X-Forwarded-For HTTP header as the authoritative source …
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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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Critical 9.1
Hermes WebUI < 0.51.307 Authentication Bypass via X-Forwarded-For Header Spoofing
Hermes WebUI before 0.51.307 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to circumvent local-origin IP restrictions on onboarding endpoints by supplying a spoofed X-Forwarded-For header with a loopback address.…
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Medium 4.8
Hono: API Gateway v1 adapter can drop a distinct repeated request header value during de-duplication
Hono is a Web application framework that provides support for any JavaScript runtime. From 4.3.3 before 4.12.27, the AWS API Gateway v1 adapter can drop a distinct repeated request header value because it de-duplicates values using a substring comparison inst…
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Medium 5.9
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did no…
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Low 2.7
Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 …
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Medium 5.3
LibreTranslate - IP Spoofing via X-Forwarded-For Header
LibreTranslate through 1.9.7, fixed in commit 397fd22, contains an IP spoofing vulnerability in the get_remote_address() function that allows unauthenticated attackers to spoof client IP addresses by injecting arbitrary values into the X-Forwarded-For header …
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Medium 4.8
Hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest
Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Header…
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High 8.3
Canonical ADSys Trust Store Poisoning via Plaintext HTTP Certificate Auto-Enrollment
An issue was discovered in Canonical ADSys upstream versions through v0.16.2. During Active Directory Certificate Services (AD CS) certificate auto-enrollment via the vendored Samba client script (internal/policies/certificate/python/vendor_samba/gp/gp_cert_a…
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Critical 10.0
ProxySQL: PROXY-Protocol-v1 UNKNOWN parses spoofed source IP, bypassing mysql_query_rules.client_addr ACL
ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. In versions 2.0.0 through 3.0.8, the ProxySQL MySQL frontend accepts the `PROXY UNKNOWN <addr> <addr> <port> <port>\r\n` PP1 frame as a well-formed PROXY protocol header. The HAProxy PROXY pr…
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Low 2.3
Apache APISIX: wolf-rbac plugin Identity Spoofing
Use of Less Trusted Source vulnerability in Apache APISIX. Attacker can take advantage of wolf-rbac plugin under default configuration to potentially pollute logs with spoofed identity information and exploit IP based access control rules. This issue affects …
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Medium 6.5
OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTL…
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High 7.5
HestiaCP 1.2.0-1.9.4 IP Spoofing via CF-Connecting-IP Header
HestiaCP versions 1.2.0 through 1.9.4 contain an IP spoofing vulnerability that allows unauthenticated remote attackers to bypass authentication security controls by supplying an arbitrary IP address in the CF-Connecting-IP HTTP header without verifying the r…
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Critical 9.8
Cleanuparr: X-Forwarded-For leftmost parsing allows remote unauthenticated admin takeover when reverse-proxy mode is enabled
Cleanuparr is a tool for automating the cleanup of unwanted or blocked files in Sonarr, Radarr, and supported download clients like qBittorrent. Prior to 2.9.10, TrustedNetworkAuthenticationHandler.ResolveClientIp parses the leftmost entry of the X-Forwarded-…
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Low 2.9
OpenClaw < 2026.3.31 - Access Control Bypass via Proxied Remote Request Misclassification
OpenClaw before 2026.3.31 misclassifies proxied remote requests as loopback connections in the diffs viewer when allowRemoteViewer is disabled, allowing unauthorized access. Attackers can bypass access controls by sending proxied requests that are incorrectly…
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Medium 6.4
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
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High 8.7
Bulwark Webmail getClientIP() trusted client-controlled X-Forwarded-For value, enabling rate limit bypass and audit log forgery
Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP() function in lib/admin/session.ts trusted the first (leftmost) entry of the X-Forwarded-For header, which is fully controlled by the client. An attacke…
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Medium 6.4
Shynet before 0.14.0 allows Host header injection in the password reset flow.
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Medium 5.1
URL (HTTP Origin) call location spoofing in Szafir SDK Web
Szafir SDK Web is a browser plug-in that can run SzafirHost application which download the necessary files when launched. In Szafir SDK Web it is possible to change the URL (HTTP Origin) of the application call location. An unauthenticated attacker can craft …
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Medium 5.3
AVideo vulnerable to IP Address Spoofing via Untrusted HTTP Headers in getRealIpAddr()
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `getRealIpAddr()` function in `objects/functions.php` trusts user-controlled HTTP headers to determine the client's IP address. An attacker can spoof their IP address by s…
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Medium 6.1
Fastify request.protocol and request.host spoofable via X-Forwarded-Proto/Host from untrusted connections when trustProxy uses restrictive trust function
Summary When trustProxy is configured with a restrictive trust function (e.g., a specific IP like trustProxy: '10.0.0.1', a subnet, a hop count, or a custom function), the request.protocol and request.host getters read X-Forwarded-Proto and X-Forwarded-Host h…
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High 7.5
Header Poisoning in Raytha CMS
Raytha CMS allows an attacker to spoof `X-Forwarded-Host` or `Host` headers to attacker controlled domain. The attacker (who knows the victim's email address) can force the server to send an email with password reset link pointing to the domain from spoofed h…
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Medium 5.3
wpDiscuz before 7.6.47 - IP Address Spoofing in getIP()
wpDiscuz before 7.6.47 contains an IP spoofing vulnerability in the getIP() function that allows attackers to bypass IP-based rate limiting and ban enforcement by trusting untrusted HTTP headers. Attackers can set HTTP_CLIENT_IP or HTTP_X_FORWARDED_FOR header…
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High 8.2
In Meshtastic, an attacker can spoof licensed amateur flag for a node
Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the…
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Medium 5.9
In Bun before 1.3.5, the default trusted dependencies list (aka trust allow list) can be spoofed by a non-npm package i…
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Medium 5.3
AA Block country <= 1.0.1 - Unauthenticated IP Address Spoofing via X-Forwarded-For Header
The AA Block Country plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.0.1. This is due to the plugin trusting user-supplied headers such as HTTP_X_FORWARDED_FOR to determine the client's IP address without proper v…
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Medium 5.3
PbootCMS Header handle.php get_user_ip less trusted source
A security vulnerability has been detected in PbootCMS up to 3.2.12. The affected element is the function get_user_ip of the file core/function/handle.php of the component Header Handler. The manipulation of the argument X-Forwarded-For leads to use of less t…
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Medium 4.3
In the KDE Connect information-exchange protocol before 2025-04-18, a packet can be crafted to temporarily change the d…
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Critical 9.2
Termix' official Docker image contains an authentication bypass vulnerability
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. The official Docker image for Termix versions 1.5.0 and below, due to being configured with an Nginx reverse proxy, causes the backend to retrieve th…
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Low 3.1
RICOH Streamline NX versions 3.5.1 to 24R3 are vulnerable to tampering with operation history. If an attacker can perfo…
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Medium 5.3
Movable Type contains an issue with use of less trusted source. If exploited, tampered email to reset a password may be…