kernelzeroday

3 exploits Active since Jan 2021
CVE-2021-3156 NOMISEC HIGH WORKING POC
Sudo Heap-Based Buffer Overflow
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
18 stars
CVSS 7.8
CVE-2026-29000 NOMISEC CRITICAL WORKING POC
pac4j-jwt <4.5.9/5.7.9/6.3.3 - Auth Bypass
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 with arbitrary subject and role claims, bypassing signature verification to authenticate as any user including administrators.
1 stars
CVSS 9.1
CVE-2026-29000 NOMISEC CRITICAL WORKING POC
pac4j-jwt <4.5.9/5.7.9/6.3.3 - Auth Bypass
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 with arbitrary subject and role claims, bypassing signature verification to authenticate as any user including administrators.
CVSS 9.1