CVE-2026-66339

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

CVE-2026-66339 Libsoup: libsoup: proxy credentials leak to destination server via proxy-authorization header in connect tunnels

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

CVE-2026-66339

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

GHSA-F45Q-W629-WR25 Hubuum client library (Rust): Authenticated requests may escape the configured base path through redirects

Impact The built-in async and blocking clients used reqwest's default redirect policy. BaseUrl constrains the initial request to the configured origin and path prefix, but redirect processing occurs after that validation. reqwest retains sensitive headers when a redirect changes only the path on...

EUVD-2026-40455

electron-updater: Cross-origin redirect leaks PRIVATE-TOKEN and mixed-case Authorization credentials in builder-util-runtime...

NPM: electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

NPM: electron-updater: Cross-origin redirect leaks PRIVATE-TOKEN and mixed-case Authorization credentials in builder-util-runtime vulnerability discovered by ? in WordPress Npm builder-util-runtime versions 9.7.0...

electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

Summary In electron-builder's builder-util-runtime package, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization". Other credential-bearing headers — most notably PRIVATE-TOKEN used by GitLab's...

GHSA-P2F4-R6V6-J797 electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

Summary In electron-builder's builder-util-runtime package, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization". Other credential-bearing headers — most notably PRIVATE-TOKEN used by GitLab's...

CVE-2026-66339: Insertion of Sensitive Information Into Sent Data

A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials,...

PT-2026-67599

Impact The built-in async and blocking clients used reqwest's default redirect policy. BaseUrl constrains the initial request to the configured origin and path prefix, but redirect processing occurs after that validation. reqwest retains sensitive headers when a redirect changes only the path on...

Open WebUI's API key endpoint restrictions bypassed via `x-api-key` header — full message processing on restricted endpoints

SummaryOpen WebUI allows admins to restrict which API endpoints an API key can access. When an API key is restricted from /api/v1/messages, requests using the Authorization: Bearer sk-... header are correctly blocked with 403. However, the same key sent via the x-api-key header bypasses the...

PYSEC-2026-3543 Open WebUI's API key endpoint restrictions bypassed via `x-api-key` header — full message processing on restricted endpoints

Summary Open WebUI allows admins to restrict which API endpoints an API key can access. When an API key is restricted from /api/v1/messages, requests using the Authorization: Bearer sk-... header are correctly blocked with 403. However, the same key sent via the x-api-key header bypasses the...

PT-2026-64072

Summary When processing Pixeldrain URLs, cyberdrop-dl-patched could send an Authorization header that includes the user's API key to unverified hosts. Details Pixeldrain offers several alternative domains in case the user's ISP blocks the primary domain. To support this, requests made by...

LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback

Impact LiteLLM's MCP Streamable HTTP endpoint could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token. The MCP auth handler supported OAuth2 passthrough for upstream MCP servers, but the fallback path could replace failed LiteLLM key...

GHSA-3R5C-2XXX-H872 Gitea: Webhook Authorization Header Returned in Plaintext via API

Summary The ToHook function in services/webhook/general.go decrypts the webhook's HeaderAuthorizationEncrypted field and returns the plaintext authorization header in the API response. Any repository admin can read the full plaintext value of webhook authorization headers Bearer tokens, Basic aut...

Gitea: Webhook Authorization Header Returned in Plaintext via API

Summary The ToHook function in services/webhook/general.go decrypts the webhook's HeaderAuthorizationEncrypted field and returns the plaintext authorization header in the API response. Any repository admin can read the full plaintext value of webhook authorization headers Bearer tokens, Basic aut...

Gitea: Privilege Escalation via Access Token Scope Escalation in API

Gitea's API endpoint for creating Personal Access Tokens POST /users/username/tokens is protected by a middleware reqBasicOrRevProxyAuth that is intended to require password-based authentication, preventing a compromised token from being used to mint new ones. However, when a token is passed in t...

CVE-2026-12547

CVE-2026-12547 concerns Libsoup's SoupAuthManager, which caches proxy authentication credentials without scoping them to the proxy authority (host:port). When proxy settings change (e.g., system settings or WPAD), cached Proxy-Authorization headers from the previous proxy may be sent to the new p...

PT-2026-62026

Name of the Vulnerable Software and Affected Versions libsoup affected versions not specified Description SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority host:port. If the proxy configuration changes through system settings or Web Proxy...

PT-2026-63313

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description The ToHook function in services/webhook/general.go decrypts the HeaderAuthorizationEncrypted field and returns the plaintext authorization header in the API response. This allows repository...