CVE-2026-40458

PAC4J is vulnerable to Cross-Site Request Forgery CSRF. A malicious attacker can craft a specially designed website which, when visited by a user, will automatically submit a forged cross-site request with a token whose hash collides with the victim's legitimate CSRF token. Importantly, the...

CVE-2026-40458 Cross-Site Request Forgery in PAC4J

PAC4J is vulnerable to Cross-Site Request Forgery CSRF. A malicious attacker can craft a specially designed website which, when visited by a user, will automatically submit a forged cross-site request with a token whose hash collides with the victim's legitimate CSRF token. Importantly, the...

CVE-2026-40458 Cross-Site Request Forgery in PAC4J

PAC4J is vulnerable to Cross-Site Request Forgery CSRF. A malicious attacker can craft a specially designed website which, when visited by a user, will automatically submit a forged cross-site request with a token whose hash collides with the victim's legitimate CSRF token. Importantly, the...

CVE-2026-40458

CVE-2026-40458 is a CSRF vulnerability in PAC4J. A malicious site can cause a user’s browser to submit forged requests with a token whose hash collides with the victim’s legitimate CSRF token, without needing the token or its hash in advance. The root cause involves collisions in the deterministi...

pac4j 安全漏洞

pac4j is a simple yet powerful Java security engine developed by pac4j OpenSource. It is used to authenticate users, retrieve their configuration files, and manage authorizations, thereby protecting web applications and web services. There were security vulnerabilities in versions of pac4j before...

pac4j 安全漏洞

pac4j is a simple yet powerful Java security engine developed by pac4j OpenSource. It is used to authenticate users, retrieve their configuration files, and manage authorization, thereby protecting web applications and web services. There were security vulnerabilities in versions of pac4j before...

K000160641: pac4j vulnerability CVE-2026-29000

Security Advisory Description pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can...

Exploit for CVE-2026-29000

CVE-2026-29000 — pac4j-jwt JWE Authentication Bypass Lab...

Exploit for CVE-2026-29000

CVE-2026-29000-pac4j-jwt-auth-byp...

Pac4J JWT < 4.5.9 / 5.x < 5.7.9 / 6.x < 6.3.3 Authentication Bypass (CVE-2026-29000) (Direct Check)

Binary data pac4jjwtauthenticationbypasscve-2026-29000.nbin...

Exploit for CVE-2026-29000

CVE-2026-29000 — pac4j-jwt PlainJWT-in-JWE Authentication Bypa...

Exploit for CVE-2026-29000

CVE-2026-29000 – pac4j JWT Authentication Bypass Python PoC...

Exploit for CVE-2026-29000

CVE-2026-29000 – pac4j JWT Authentication Bypass Python PoC...

Exploit for CVE-2026-29000

CVE-2026-29000 - pac4j-jwt Authentication Bypass PoC Not...

Vulnerability fixed in pac4j-jwt

Pac4j has fixed a vulnerability in the pac4j-jwt library specifically for versions before 4.5.9, 5.7.9 and 6.3.3. The vulnerability is located in the JwtAuthenticator module of the pac4j-jwt library. This vulnerability allows an attacker with access to the server's RSA public key to forge JWT...

Exploit for CVE-2026-29000

CVE-2026-29000 — pac4j-jwt Library-Level PoC Lab TL;DR Th...

Exploit for CVE-2026-29000

CVE-2026-29000: pac4j-jwt JwtAuthenticator authentication bypa...

GHSA-PM7G-W2CF-Q238 pac4j-jwt: JwtAuthenticator Authentication Bypass via JWE-Wrapped PlainJWT

pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can create a JWE-wrapped PlainJWT wi...

EUVD-2026-9505

pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can create a JWE-wrapped PlainJWT wi...

CVE-2026-29000

pac4j-jwt versions prior to 4.5.9, 5.7.9, and 6.3.3 contain an authentication bypass vulnerability in JwtAuthenticator when processing encrypted JWTs that allows remote attackers to forge authentication tokens. Attackers who possess the server's RSA public key can create a JWE-wrapped PlainJWT wi...