PT-2026-51104

Name of the Vulnerable Software and Affected Versions @tinacms/app versions prior to 2.5.6 tinacms versions prior to 3.9.3 Description Cross-origin postMessage handlers allow for stored XSS and session takeover. The software registers window message listeners—specifically the useTina overlay...

PT-2026-51116

Name of the Vulnerable Software and Affected Versions dbt-mcp version 1.19.1 Description The local OAuth helper FastAPI server bundled with dbt-mcp exposes the 'GET /dbt platform context' endpoint without authentication or host-origin validation. After a user completes the OAuth login flow, this...

CVE-2026-43994

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

UBUNTU-CVE-2026-43994

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

CVE-2026-43994 Coturn: Stack buffer overflow in decode_oauth_token_gcm()

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

CVE-2026-43994

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

CVE-2026-43994 Coturn: Stack buffer overflow in decode_oauth_token_gcm()

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

CVE-2026-43994

CVE-2026-43994 affects coturn before 4.10.0: a stack buffer overflow in decode_oauth_token_gcm() occurs when parsing an attacker-supplied OAuth token’s nonce_len, which is copied directly to a 256-byte stack buffer without bounds checking. Up to 735 bytes of attacker-controlled data may be writte...

CVE-2026-43994

Coturn is a free open source implementation of TURN and STUN Server. Versions prior to 4.10.0 contain a stack buffer overflow in decodeoauthtokengcm. A uint16t noncelen field read from an attacker-supplied OAuth access token 0-65535 is passed directly to memcpy as the copy length into a 256-byte...

CVE-2026-55205

Hermes WebUI prior to 0.51.468 is affected by a resource-exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint. The issue allows unbounded accumulation of in-memory flow state and daemon threads, enabling repeated or concurrent requests to exhaust server memory...

CVE-2026-55205 Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint

Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint that allows unbounded accumulation of in-memory flow state and daemon threads. Attackers can send repeated or concurrent requests to exhaust server memory and...

EUVD-2026-37904

Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint that allows unbounded accumulation of in-memory flow state and daemon threads. Attackers can send repeated or concurrent requests to exhaust server memory and...

CVE-2026-55205 Hermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow Endpoint

Hermes WebUI before 0.51.468 contains a resource exhaustion vulnerability in the unauthenticated POST /api/onboarding/oauth/start endpoint that allows unbounded accumulation of in-memory flow state and daemon threads. Attackers can send repeated or concurrent requests to exhaust server memory and...

npm PraisonAI MCPSecurity Basic/OAuth authentication policies accept invalid credentials without validation

Summary The published npm package praisonai exports an MCPSecurity helper described in source as: text MCP Security - Authentication, authorization, and rate limiting Provides security policies for MCP servers. Its AuthMethod type advertises five authentication methods: ts export type AuthMethod ...

GHSA-4QQ2-2J2X-X62C npm PraisonAI MCPSecurity Basic/OAuth authentication policies accept invalid credentials without validation

Summary The published npm package praisonai exports an MCPSecurity helper described in source as: text MCP Security - Authentication, authorization, and rate limiting Provides security policies for MCP servers. Its AuthMethod type advertises five authentication methods: ts export type AuthMethod ...

PT-2026-50787

Name of the Vulnerable Software and Affected Versions Coturn versions prior to 4.10.0 Description A stack buffer overflow exists in the decode oauth token gcm function. A nonce len field, read from an attacker-supplied OAuth access token, is passed to memcpy as the copy length into a 256-byte sta...

GHSA-J5R2-4C8J-XC3M Gitea: Open Redirect via redirect_to

Details Despite the validation within urlIsRelative in modules/httplib/url.go, an open redirect is still possible due to usage of directory traversal sequences plus a back-slash in the "redirectto" parameter. PoC When a user uses this URL to login:...

GHSA-WRR5-99H5-GQ57 Gitea: Public-only tokens bypass private-resource restrictions on `/api/v1/user` self routes

Summary Many authenticated self routes under /api/v1/user/... do not enforce the public-only token restriction. As a result, a token or OAuth grant marked public-only, but otherwise carrying the route-required read/write scope category, can access or modify private account resources through self...

GHSA-226F-F24G-524W Open WebUI: Redirect-Bypass SSRF in OAuth `_process_picture_url` (incomplete-fix sibling of CVE-2026-45401)

Summary backend/openwebui/utils/oauth.py::processpictureurl v0.9.5, lines 1435-1470 calls validateurlpictureurl on the initial URL only, then invokes aiohttp.ClientSession.getpictureurl, ... without allowredirects=False. aiohttp's default is allowredirects=True, maxredirects=10; the function does...

Open WebUI: Redirect-Bypass SSRF in OAuth `_process_picture_url` (incomplete-fix sibling of CVE-2026-45401)

Summary backend/openwebui/utils/oauth.py::processpictureurl v0.9.5, lines 1435-1470 calls validateurlpictureurl on the initial URL only, then invokes aiohttp.ClientSession.getpictureurl, ... without allowredirects=False. aiohttp's default is allowredirects=True, maxredirects=10; the function does...