GHSA-M3CX-MWPG-32JG nebula-mesh: Unauthenticated OIDC login endpoint allocates unbounded in-memory state entries without rate limiting

Summary When OIDC is enabled, GET /ui/oidc/login is reachable without authentication and is registered outside the Web UI rate-limited auth routes. Every request creates a fresh random OIDC state value and stores it in an in-memory map for 10m. Expired states are swept lazily, but there is no rat...

Denial of Service (DoS)

Overview Affected versions of this package are vulnerable to Denial of Service DoS in the GET /ui/oidc/login process. An attacker can exhaust server memory resources by sending repeated unauthenticated requests to this endpoint, causing unbounded in-memory state allocation and potential service...

CVE-2026-45069

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, OidcTokenHandler::verifyClaims registered audience aud, issuer iss, and expiry exp checkers but did not pass the mandatory claims list to...

CVE-2026-45069

CVE-2026-45069 concerns Symfony’s OidcTokenHandler, where verifyClaims() registered aud/iss/exp checkers but did not pass the mandatory claims list to ClaimCheckerManager::check(). Consequently, a validly signed JWT missing these claims could pass verification. The issue is fixed in Symfony relea...

CVE-2026-49478

A flaw was found in Fulcio's OpenID Connect OIDC Discovery client. This vulnerability allows a remote attacker to perform Server-Side Request Forgery SSRF by redirecting discovery requests to internal systems. Additionally, an attacker can manipulate the JSON Web Key Set JWKS Uniform Resource...

SUSE-SU-2026:2968-1 Security update for python-Authlib

This update for python-Authlib fixes the following issues - CVE-2026-41425: Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starletteclient.OAuth bsc1263114. - CVE-2026-44681: Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's...

CVE-2026-55672

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...

EUVD-2026-42964

ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL Login V2 OIDC and SAML FailedPrecondition error paths return loginSettings.defaultRedirectUri to router.push without applying the isSafeRedirectUri check, allowing an organization or instance administrator to store a...

EUVD-2026-42979

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...

CVE-2026-55672

Summary (concrete details) : The CVE concerns Zitadel, an open-source identity management platform. The vulnerability occurs in the OAuth2/OIDC CodeExchange and RefreshToken flows (and related device token flow) where verification that the requesting client matches the originally authorized clien...

CVE-2026-55671 ZITADEL: Server-Side Request Forgery (SSRF) and Denylist Bypass in Outgoing HTTP Components

ZITADEL is an open source identity management platform. From 4.0.0-rc.1 through 4.15.1, ZITADEL's HTTP notification channels, OIDC BackChannel Logout, and SAML metadata URL fetches do not consistently validate user-defined URLs against protected denylist handling, allowing server-side requests to...

CVE-2026-55689

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, when OpenFGA is configured to use OIDC authentication authn.method=oidc, authn.oidc.issuer set but authn.oidc.audience is left unset, the JWT audience claim on incoming bearer tokens is not validated. As a result...

Cross-Site Request Forgery (CSRF)

Leantime is vulnerable to Cross-Site Request Forgery CSRF. The vulnerability is due to missing validation of the OIDC state parameter in the verifyState method, where attacker-controlled authorization callbacks are accepted without verification, allowing attackers to perform session fixation and...

CVE-2026-55689 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-55689

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-55689 OpenFGA: OIDC audience validation skipped when --authn-oidc-audience is unset

OpenFGA is an authorization/permission engine built for developers. Prior to 1.18.0, OpenFGA's OIDC authenticator skipped JWT audience validation when authn.method was set to oidc, authn.oidc.issuer was configured, and authn.oidc.audience was not set, allowing a token minted for an unrelated...

CVE-2026-59819

A flaw was found in LiteLLM, a proxy server for Large Language Model LLM APIs. A privileged caller, such as a proxy administrator, with permissions to test model connections, could exploit the /health/testconnection endpoint. By supplying specific environment or OIDC OpenID Connect file reference...

CVE-2026-12593 Privilege escalation via forged API token creation in Axivion Dashboard OIDC/OAuth2/SSO subsystem

The implementation of an internal and undocumented Dashboard API endpoint POST /api/users//user/tokens forgot to ensure an HTTP request for creating an API Token for another user had sufficient permission to do so. Precondition for successful exploitation was a preexisting internal user with more...

Improper Authentication

github.com/coder/coder is vulnerable to Improper Authentication. The vulnerability is due to improper OIDC email-based account linking and incorrect handling of the emailverified claim, which allows an attacker to authenticate with a malicious or unverified OIDC identity and take over another...

[SECURITY] Fedora 43 Update: opkssh-0.15.0-2.fc43

OpenPubkey SSH is a tool which enables ssh to be used with OpenID Connect allowing SSH access to be managed via identities like aliceaexample.com ins tead of long-lived SSH keys...