CVE-2026-54007

CVE-2026-54007 describes a cross-origin postMessage bypass in Open WebUI prior to version 0.9.6. The root cause is a chat input/submit flow in the Chat.svelte window message listener that accepts non-same-origin messages (input:prompt and action:submit) and forwards them to submitPrompt(), enabli...

CVE-2026-54007 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim...

CVE-2026-54007 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim...

CVE-2026-54011 Open WebUI: Stored XSS in Mermaid Markdown Preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

Gogs has an Open Redirect via redirect_to

Summary An open redirect vulnerability exists in Gogs where attacker-controlled redirectto parameters can bypass validation, allowing redirection to arbitrary external sites. Details All redirects in Gogs that are validated via the IsSameSite function are vulnerable: go func IsSameSiteurl string...

CVE-2026-54301 n8n: Same-Origin XSS in Respond to Webhook Node

n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central...

CVE-2026-54301

Summary: CVE-2026-54301 affects n8n prior to certain fixes. An authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type, bypassing the central Content-Security-Policy sandbox header. This allowed a publ...

CVE-2026-54276

A flaw was found in aiohttp, an asynchronous HTTP client/server framework for asyncio and Python. The DigestAuthMiddleware component can send an authentication response after following a cross-origin redirect. This could allow a remote attacker, in conjunction with an open redirect vulnerability ...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Update to Firefox 140.12.0 ESR MFSA 2026-58, bsc1268071: CVE-2026-12289: Privilege escalation in the Graphics: WebRender component. CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12. CVE-2026-12291: Use-after-free in the...

CVE-2026-56234

Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validatepasswordcompliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate...

JLSEC-2026-615 Cookie jar accepts `Secure/__Host-/__Secure-` cookies from non-secure origins in HTTP.jl

Description setcookies! stored every parsed Set-Cookie after only checking that the response scheme was http or https, with no protection symmetric to the read path shouldsend, which already withholds Secure cookies from non-secure requests. A plaintext http origin could therefore plant a Secure...

JLSEC-2026-613 Redirect credential leakage across scheme/port in HTTP.jl

Description Redirect handling decided whether to retain credential-bearing headers Authorization, Cookie, Proxy-Authorization, etc. by comparing only the hostname, ignoring scheme and port. As a result an https→http downgrade or a same-host/different-port redirect was treated as same-origin and...

JLSEC-2026-614 WebSocket default Origin check ignores scheme and port in HTTP.jl

Description The default WebSocket Origin validator originalloweddefault only enforced the host component of the same-origin tuple. It never checked the Origin's scheme, and when the request Host header carried no explicit port the norm for default-port 80/443 servers, where browsers omit the port...

CVE-2026-56234 Capgo - Password Spraying via Public-Key Accessible Credential Validation Endpoint

Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validatepasswordcompliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate...

CVE-2026-56234

Capgo prior to 12.128.2 exposes a credential validation endpoint (POST /functions/v1/private/validate_password_compliance) that is accessible with only the public Supabase key and lacks authentication. The endpoint uses permissive CORS with a wildcard origin and has no rate limiting, which enable...

CVE-2026-56234

Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validatepasswordcompliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate...

CVE-2026-56234 Capgo - Password Spraying via Public-Key Accessible Credential Validation Endpoint

Capgo before 12.128.2 contains a credential validation vulnerability in the POST /functions/v1/private/validatepasswordcompliance endpoint that is callable using only the public Supabase key without authentication. The endpoint is CORS-permissive with wildcard origin allowance and lacks rate...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...