keycloak: Keycloak: Privilege escalation due to oversized subject_token JWT

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

CVE-2026-53471

A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens JWTs for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the sourceid claim within these tokens against the requested source ID. This oversight allows an...

CVE-2026-53471

CVE-2026-53471 affects the migration-planner project, specifically the agent-api middleware. The UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the source_id claim in JWTs against the requested source ID. Root cause: missing validation allows an authenticated attacker with ...

CVE-2026-53471 Migration-planner: agent api ignores jwt source_id claim

A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens JWTs for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the sourceid claim within these tokens against the requested source ID. This oversight allows an...

CVE-2026-53471

A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens JWTs for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the sourceid claim within these tokens against the requested source ID. This oversight allows an...

Nezha has cross-site GET request that can trigger stored cron commands on a victim's agents

Summary The dashboard exposes the cron manual-trigger action as an authenticated GET /api/v1/cron/:id/manual endpoint. Dashboard JWTs are sent in the nz-jwt cookie and configured with SameSite=Lax, which browsers include on top-level cross-site GET navigations. Because this state-changing GET...

CVE-2026-36721

A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token...

CVE-2026-36721

A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token...

PT-2026-48167

Name of the Vulnerable Software and Affected Versions bookcars version 8.3 Description A lack of cryptographic signature verification in the validateAccessToken function allows attackers to bypass authentication by using a forged JSON Web Token JWT, which is a compact, URL-safe means of...

CVE-2026-36721

A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token...

Akram El Assas bookcars 授权问题漏洞

BookCars is a car rental management platform developed by Akram El Assas. Version 8.3 of BookCars contains a security vulnerability. This vulnerability stems from an insecure authentication mechanism in the/api/social-sign-in endpoint, which could allow attackers to bypass authentication using...

Akram El Assas bookcars 加密问题漏洞

Bookcars is a car rental management platform developed by Akram El Assas. Version 8.3 of Bookcars contains a security vulnerability. This vulnerability stems from the lack of encryption signature verification in the validateAccessToken function, which may allow attackers to bypass authentication...

CVE-2026-36721

A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token...

CVE-2026-36721

CVE-2026-36721 affects bookcars v8.3. The root cause is a lack of cryptographic signature verification in the validateAccessToken function, which enables attackers to bypass authentication via a forged JWT token. The CVE is rated with a high impact metric (CVSS v3.1: 9.8, Critical) across confide...

CVE-2026-36727

CVE-2026-36727 affects bookcars version 8.3. An insecure authentication vulnerability exists in the /api/social-sign-in endpoint that allows bypassing authentication by forged JWT tokens. The issue is documented across multiple feeds (NVD, Red Hat, CVE records) with no explicit exploit details or...

CVE-2026-46481 OpenMetadata: TEST_CONNECTION workflow leaks ingestion-bot JWT and database password to regular users

OpenMetadata is a unified metadata platform. Prior to version 1.12.4, a non-admin SSO user can trigger a TESTCONNECTION workflow for a Database Service and receive, in the HTTP 201 response of POST /api/v1/automations/workflows, both the cleartext database password in...

TencentOS Server 4: python-jwt (TSSA-2026:0427)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0427 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

python-pyjwt: PyJWT: Denial of Service via unverified JSON Web Token key IDs

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. A remote attacker can exploit this vulnerability by sending specially crafted JWTs with unknown 'kid' key ID values. This can force the PyJWKClient.getsigningkey function to make an unlimited number of unrate-limit...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the UpdateSourceInventory and UpdateAgentStatus handlers due to insufficient validation of the sourceid claim in JSON Web Tokens against the requested source ID. An attacker can gain...

JWSVerifier uses algorithm from unprotected header, enabling algorithm confusion attacks

Summary JWSVerifier::getAlgorithm in src/Library/Signature/JWSVerifier.php line 144 merges protected and unprotected headers using PHP's spread operator: php $completeHeader = ...$signature-getProtectedHeader, ...$signature-getHeader; In PHP, when spreading arrays with duplicate string keys, the...