pgAdmin 4 - Authentication Bypass

pgAdmin 4 versions 8.11 and earlier are vulnerable to a security flaw in OAuth2 authentication. This vulnerability allows an attacker to potentially obtain the client ID and secret, leading to unauthorized access to user data. id: CVE-2024-9014 info: name: pgAdmin 4 - Authentication Bypass author...

Spring Security OAuth2 Remote Command Execution

Spring Security OAuth versions 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5 contain a remote command execution vulnerability. When processing authorization requests using the whitelabel views, the responsetype parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote comma...

CVE-2026-44761

SAP Commerce Cloud could retain a sample OAuth2 client with publicly documented sample credentials originating from sample configuration provided in SAP Help Portal documentation. If left unchanged, an unauthenticated attacker could use these well-known credentials to obtain a valid access token...

EUVD-2026-43591

SAP Commerce Cloud could retain a sample OAuth2 client with publicly documented sample credentials originating from sample configuration provided in SAP Help Portal documentation. If left unchanged, an unauthenticated attacker could use these well-known credentials to obtain a valid access token...

CVE-2026-44745

Technical details are not publicly available in the provided documents. Monitor for updates on CVE-2026-44745 for potential details on affected versions, remediation, and impact.

PT-2026-57942

SAP Commerce Cloud could retain a sample OAuth2 client with publicly documented sample credentials originating from sample configuration provided in SAP Help Portal documentation. If left unchanged, an unauthenticated attacker could use these well-known credentials to obtain a valid access token...

CVE-2026-58489

HedgeDoc prior to v1.11.0 is vulnerable to a CSRF-like flaw in the GitHub Gist export callback. The OAuth2 state value was only checked for presence, not validated against the user session, allowing an attacker to craft a callback URL with their own valid GitHub OAuth code. When a logged-in victi...

ROOT-APP-MAVEN-CVE-2026-22748 CVE-2026-22748 in io.root.org.springframework.security:spring-security-oauth2-jose - Patched by Root

Root has patched CVE-2026-22748 in the io.root.org.springframework.security:spring-security-oauth2-jose package for Root:Maven. Multiple fixed versions available...

CVE-2026-3367

The Lockme OAuth2 calendars integration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'App ID' setting in all versions up to, and including, 2.11.0. This is due to insufficient input sanitization and output escaping. The registersetting call on line 197 lacks a sanitiz...

CVE-2026-3367 Lockme OAuth2 calendars integration <= 2.11.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'App ID' Setting

The Lockme OAuth2 calendars integration plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'App ID' setting in all versions up to, and including, 2.11.0. This is due to insufficient input sanitization and output escaping. The registersetting call on line 197 lacks a sanitiz...

CVE-2026-55672 ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)

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-2026-59822 LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallback path that replaced failed LiteLLM key...

CVE-2026-56359 n8n - Cross-Site Scripting in Credential Management OAuth2 Authorization URL

n8n before 2.8.0 contains a cross-site scripting vulnerability in the credential management flow where authenticated users can inject malicious JavaScript URLs into OAuth2 credential Authorization URL fields. Attackers can craft malicious credentials and trick victims into clicking the OAuth...

CVE-2026-26247

Gitea versions before 1.25.5 do not persist the OAuth2 PKCE S256 challenge method correctly during authorization, allowing token exchange without the expected verifier check...

CVE-2026-26232

Gitea before 1.25.5 is vulnerable to a replay attack due to inadequate enforcement of OAuth2 authorization code expiry and single-use behavior during the token exchange. The Snyk entries describe the issue across affected code paths (e.g., models/auth and routers/web/auth) and state that an attac...

CVE-2026-14612

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may b...

UBUNTU-CVE-2026-14612

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may b...

CVE-2026-14612

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may b...

EUVD-2026-41554

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may b...

CVE-2026-14612 Freeipa: ipa: idm: freeipa: off-by-one buffer overflows in ipa-otpd oauth2.c during oauth2 device authorization

Two off-by-one errors in the FreeIPA ipa-otpd daemon's OAuth2 device authorization handler can cause out-of-bounds memory access when processing an oversized response from a configured external OAuth2/OIDC Identity Provider. An attacker who controls or can man-in-the-middle the IdP endpoint may b...