CVE-2026-8609

A flaw was found in Grafana. An unauthenticated attacker can repeatedly access the OAuth login route with unique values. This can lead to unbounded memory growth, eventually exhausting system memory and causing the Grafana instance to crash. This results in a denial of service for legitimate user...

Linux Distros Unpatched Vulnerability : CVE-2026-8609

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memo...

Fedora 44 : roundcubemail (2026-517daa8d64)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-517daa8d64 advisory. Release 1.7.2 - Add HEAD request handler to the static.php - Fix so the oauthpasswordclaim claim is retrieved via token or userinfo request 9631 - F...

CVE-2026-53516

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, Better Auth's OAuth callback auto-link gate in handleOAuthUserInfo accepts implicit account linking when the OAuth provider asserts emailverified: true without requiring the local user row's emailVerified...

EUVD-2026-44745

Better Auth is an authentication and authorization library for TypeScript. From 1.4.8-beta.7 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint on the refreshtoken grant performs a non-atomic read, validate, revoke, and mint sequence on the oauthRefreshToken row, allowing...

Incorrect Permission Assignment for Critical Resource

Overview garminconnect is a Python 3 API wrapper for Garmin Connect Affected versions of this package are vulnerable to Incorrect Permission Assignment for Critical Resource due to insecure file-system permissions being set on the OAuth token store by the dump function. An attacker can gain...

CVE-2026-53518

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorizationcode grant redeems a single-use authorization code through a non-atomic find-then-delete sequence, allowing two...

CVE-2026-53518 Better Auth OAuth Provider: Race Condition in Authorization Code Exchange Enables Multi-Use Code Redemption

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorizationcode grant redeems a single-use authorization code through a non-atomic find-then-delete sequence, allowing two...

CVE-2026-53518 Better Auth OAuth Provider: Race Condition in Authorization Code Exchange Enables Multi-Use Code Redemption

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorizationcode grant redeems a single-use authorization code through a non-atomic find-then-delete sequence, allowing two...

CVE-2026-45793

Composer is a dependency Manager for the PHP language. Prior to 1.10.28, 2.2.28, and 2.9.8, Composer\IO\BaseIO::loadConfiguration validates GitHub OAuth tokens with the regex ^.A-Za-z0-9+$ and interpolates rejected tokens into an UnexpectedValueException; GitHub Actions GITHUBTOKEN values using t...

CVE-2026-53516

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, Better Auth's OAuth callback auto-link gate in handleOAuthUserInfo accepts implicit account linking when the OAuth provider asserts emailverified: true without requiring the local user row's emailVerified...

CVE-2026-53516 Better Auth: Account takeover via OAuth auto-link to unverified pre-registered email

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, Better Auth's OAuth callback auto-link gate in handleOAuthUserInfo accepts implicit account linking when the OAuth provider asserts emailverified: true without requiring the local user row's emailVerified...

CVE-2026-53516

Summary: CVE-2026-53516 affects Better Auth (

CVE-2026-47158

A flaw was found in Vaultwarden, a Bitwarden-compatible server. An unauthenticated attacker could exploit a vulnerability in the Single Sign-On SSO authorization flow. This flaw, caused by improper binding of the OAuth state parameter to the browser session and inadequate cleanup of SSO...

CVE-2026-47158 Vaultwarden: CSRF in SSO Authorization Flow

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO authorization flow did not bind the OAuth state parameter accepted by /connect/authorize to the initiating browser session, allowed attacker-controlled PKCE parameters, and left SsoAuth records intact...

CVE-2026-47158

CVE-2026-47158 – Vaultwarden (Rust) : A CSRF flaw in Vaultwarden’s SSO authorization flow prior to 1.36.0 allowed an unauthenticated attacker to induce IdP authentication and redeem tokens for a fully authenticated session. The root causes include: the OAuth state parameter from /connect/authoriz...

CVE-2026-54560 Cloudreve: OAuth access tokens bypass scope enforcement due to missing client_id claim

Cloudreve is a self-hosted file management and sharing system. From 4.12.0 until 4.16.1, Cloudreve's OAuth access tokens are issued without the OAuth clientid claim, so the JWT verifier does not load token scopes into request context and RequiredScopes treats the request like non-scoped session...

CVE-2026-56398

Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture claim URL MIME type is inferred from file extension rather than Content-Type header, allowing SVG files to bypass the profile image validator and be stored as data URIs...

CVE-2026-56398

Open WebUI before 0.9.5 is vulnerable to stored XSS via the OAuth picture claim SVG data URI. The code infers MIME type from the URL extension (e.g., .svg) and ignores the server-provided Content-Type, then stores data URI labelling it as image/svg+xml. The profile image validator is bypassed in ...

CVE-2026-56398 Open WebUI - Stored Cross-Site Scripting via OAuth Picture Claim SVG Data URI

Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture claim URL MIME type is inferred from file extension rather than Content-Type header, allowing SVG files to bypass the profile image validator and be stored as data URIs...