Skip to content
OpenAdvisories

Archive

15 May 2026

Vulnerabilities first published on this day (UTC), newest first.

86 results · Clear filters · Feed

  • High 7.3

    Crypt::DSA versions before 1.20 for Perl generate seeds using rand

    Crypt::DSA versions before 1.20 for Perl generate seeds using rand. Seeds were generated using Perl's built-in rand function, which is predictable and unsuitable for security usage.

  • High 7.7

    Open WebUI: SSRF via OAuth Profile Picture URL in _process_picture_url (oauth.py)

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a Server-Side Request Forgery (SSRF) vulnerability exists in _process_picture_url() in backend/open_webui/utils/oauth.py (line ~1338). The funct…

  • High 7.3

    Open WebUI: Stored XSS in excel file preview

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheet_to_html to em…

  • High 8.1

    Open WebUI: Stored XSS in Banner Component via Improper Sanitization Order

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Banner component due to an improper sanitization order (specifically, DOMPurify …

  • High 8.1

    Open WebUI: Open WebUI Arbitrary File Write, Delete via Path Traversal

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.10, when uploading an audio file, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This all…

  • High 7.4

    Open WebUI: XSS via SVG in /api/v1/channels/webhooks/{webhook_id}/profile/image

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profile_image_url values, including data:image/svg+xml;base64,... payloads. The profile…

  • High 8.7

    Open WebUI: Stored XSS via attacker-controlled file extension in /api/v1/audio/transcriptions

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the audio transcription upload endpoint takes the file extension from the user-supplied filename and saves the file under CACHE_DIR/audio/transc…

  • High 7.1

    Open WebUI: Chat completion API allows tool restrictions to be bypassed

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.6, there is a vulnerability in chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions o…

  • High 7.7

    Open WebUI: Stored XSS via the HTML renedering view

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.5, through the HTML rendering view, scripts can be injected and executed. The frontend provides a function to visualize the HTML content of a curre…

  • High 8.1

    Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.3.16, a missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by e…

  • High 8.3

    Open WebUI: Inconsistent authorization controls within memories API

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, authorization controls surrounding the memories API were inconsistent, resulting in the ability of a standard user to delete, restore, and view…

  • High 7.1

    Open WebUI: Insecure Message Access Breaks Authorization

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.19, there's an IDOR in the channels message management system that allows authenticated users to modify or delete any message within channels they …

  • High 7.3

    Open WebUI: Arbitrary File Upload and Path Traversal

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, when attaching files to a promp, the name of the file is derived from the original HTTP upload request and is not validated or sanitized. This…

  • High 7.3

    Open WebUI: Open WebUI Improper Authorization Control

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.1.124, the API does not properly validate that the user has an authorized user role of user. By default, when Open WebUI is configured with new sign-…

  • High 8.8

    Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.12, the /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLE_CO…

  • High 7.5

    radare2 6.1.5 Use-After-Free via gdbr_pids_list()

    radare2 6.1.5 contains a use-after-free vulnerability in the gdbr_pids_list() function within the GDB client core that allows remote attackers to cause a denial of service or potentially execute arbitrary code by sending malformed thread information responses…

  • High 8.5

    Open WebUI: Server-Side Request Forgery (SSRF) bypass in `validate_url`

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. This vulnerability is fixed in 0.9.5.

  • High 8.1

    Open WebUI: Cross-User File Access via Unchecked file_id in Folder Knowledge and Knowledge-Base Attach Endpoints

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, multiple endpoints accept a user-supplied file_id and attach the referenced file to a resource the caller controls (folder knowledge, knowledge-…

  • High 8.5
    CVE-2026-45401 Public exploit

    Open WebUI: SSRF Bypass via HTTP Redirect Following in Web-Fetch and Image-Load Endpoints

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the validate_url() function in backend/open_webui/retrieval/web/utils.py only validates the initial URL submitted by the caller. The HTTP client…

  • High 7.5

    Open WebUI: IDOR - Retrieval API Bypasses Knowledge Base Access Controls

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, _validate_collection_access() checks the user-memory-* and file-* collection name prefixes but does not check knowledge base collections, which …

  • High 7.2

    Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint (POST /api/v1/tools/id/{id}/update) is missing the workspace.tools permission check that is present on the tool create …

  • High 7.3

    Open WebUI: Stored XSS via Model Description

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a stored cross-site scripting (XSS) vulnerability that allows any authenticated user with model creation permission (workspace.models) to execut…

  • High 8.7

    Open WebUI: Redis Cache Keys tool_servers and terminal_servers Missing Instance Prefix Enable Cross-Instance Cache Poisoning

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the tool_servers and terminal_servers keys in utils/tools.py do use a prefix. When two or more Open WebUI instances share a Redis database (a su…

  • High 8.1

    Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSION_POOL to disconnect affected sessions. As a result, a user whose admin role…

  • High 8.1

    Open WebUI: Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/retrieval/process/web endpoint accepts a user-supplied collection_name and an overwrite query parameter (default: True). It per…

  • High 7.6

    Open WebUI: Base Model Routing Bypasses Access Control via Model Chaining

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via base_model_id: a user-defined model (e.g., "Cheap Assistant") can reference an existing base model (e.…

  • High 7.1

    Open WebUI: responses passthrough endpoint lacks access control authorization

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /responses endpoint in the OpenAI router accepts any authenticated user and forwards requests directly to upstream LLM providers without enf…

  • High 8.5

    Open WebUI: Full SSRF Vulnerability in the RAG Web Search Feature

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, validate_url() in backend/open_webui/retrieval/web/utils.py calls validators.ipv6(ip, private=True), but the validators library does NOT impleme…

  • High 7.1

    Open WebUI: Broken Access Control for Completions API

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key (generated in OWUI) and the Chat ID of another user to c…

  • High 7.1

    Open WebUI: Low-privilege authenticated users can enumerate and stop global background tasks, causing system-wide chat disruption

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user with low privileges can enumerate active background tasks across the system and stop tasks belonging to other users via t…

  • High 8.0

    Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/{id} when the target file is referenced in any…

  • High 8.1

    Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

    Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the LDAP and OAuth authentication flows use a TOCTOU (Time-of-Check-Time-of-Use) pattern for first-user admin role assignment. The regular signu…

  • High 7.6

    Vvveb: checkout IDOR allows unauthorized reuse of another user's cart

    Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, the checkout endpoint accepts a user-controlled cart_id and uses it to enter the payment flow without verifying cart ownership. A logged-…

  • High 8.1

    Vvveb: admin/auth-token IDOR allows unauthorized disclosure of administrator REST API tokens

    Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, the backend admin/auth-token endpoint allows an authenticated administrator to load another administrator's REST API token list by supply…

  • High 8.7

    Vvveb: Authenticated SQL injection in /user/orders via order_by and direction

    Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.3, there is an authenticated SQL injection issue in the frontend user order history page in Vvveb CMS. A normal frontend user can log in and…

  • High 7.5

    DoS from MQTT v5.0 Deserialization Fault in core MQTT

    Missing bounds validation in the MQTT v5.0 property parser in coreMQTT before 5.0.1 allows an MQTT broker to cause a denial of service by sending a crafted packet. To remediate this issue, users should upgrade to v5.0.1.

  • High 7.5

    Vvveb: Vvveb CMS — Negative-quantity cart manipulation allows creation of orders with negative grand totals

    Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.2, Vvveb CMS does not validate the sign of the quantity parameter on the cart-add endpoint. Submitting a negative integer is accepted by the…

  • High 7.6

    phpMyFAQ - Stored XSS via Utils::parseUrl() in Comment Rendering

    phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in Utils::parseUrl() that allows authenticated users to inject JavaScript via malformed URLs in comments. Attackers can craft URLs with unescaped quotes to inject event handlers, steal…

  • High 7.5

    phpMyFAQ - Unauthenticated Information Disclosure via getIdFromSolutionId Permission Bypass

    phpMyFAQ before 4.1.2 contains an information disclosure vulnerability in the getIdFromSolutionId() method that lacks permission filtering, allowing unauthenticated attackers to enumerate restricted FAQ entries and read their titles via the /solution_id_{id}.…

  • High 7.5

    phpMyFAQ - SQL Injection in CurrentUser::setTokenData via Unescaped OAuth Token Fields

    phpMyFAQ before 4.1.2 contains a sql injection vulnerability in CurrentUser::setTokenData that allows authenticated attackers to execute arbitrary SQL by injecting malicious OAuth token claims. Attackers with Azure AD accounts containing SQL metacharacters in…