CVE-2026-29000
pac4j-jwt: JwtAuthenticator Authentication Bypass via JWE-Wrapped PlainJWT
10.0
CRITICAL
CVSS 3.1
EPSS 0.04%
描述
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.
如何修補 CVE-2026-29000
要修補 CVE-2026-29000,請將受影響套件升級到下列已修補版本。
- —升級至 6.3.3 或更新版本
CVE-2026-29000 正在被利用嗎?
低 — EPSS 為 0.0%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- >= 6.0.4.1, < 6.3.3
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L |
| osv | CVSS 3.1 | CRITICAL10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L |