CVE-2026-82463— pac4j-core before 6.5.6 Authorization Bypass via Reversed Profile Type Check
Quick assessment
Affected
pac4j pac4j
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
pac4j-core 在 6.5.6 之前的版本中， 存在一个认证绕过漏洞，其根源在于反转了配置文件类型（profile type）的验证逻辑。攻击者可以通过较弱的客户端完成认证，从而访问需要更强配置文件类型的资源，只要他们能满足通用的配置文件检查条件即可。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-82463
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
pac4j-core before 6.5.6 Authorization Bypass via Reversed Profile Type Check
Source: CVE Program / CVE List V5
Vulnerability Description
pac4j-core before 6.5.6 contains an authentication bypass vulnerability in CheckProfileTypeAuthorizer that reverses the profile type validation logic. Attackers can authenticate through a weaker client and access resources requiring a stronger profile type by satisfying generic profile checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-82463
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-82463
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-82463 (1)
Security Blog Posts for CVE-2026-82463 (1)
Vendor Pages for CVE-2026-82463 (1)
Same Patch Batch · pac4j · 2026-08-29 · 5 CVEs total
| CVE-2026-82461 | 8.1 HIGH | pac4j-oidc before 6.5.6 Privilege Escalation via Unverified Keycloak Access Token |
| CVE-2026-82462 | 6.5 MEDIUM | pac4j-oidc before 6.5.6 Authentication Bypass via Access Token Substitution |
| CVE-2026-82464 | 6.1 MEDIUM | pac4j-core before 6.5.6 Open Redirect via Backslash Logout |
| CVE-2026-82465 | 5.3 MEDIUM | pac4j-saml before 6.5.6 Session Destruction via Unsigned LogoutRequest |
IV. Related Vulnerabilities
Same product: pac4j
-
CVE-2026-82464
pac4j-core before 6.5.6 Open Redirect via Backslash Logout -
CVE-2026-82465
pac4j-saml before 6.5.6 Session Destruction via Unsigned Log -
CVE-2026-82462
pac4j-oidc before 6.5.6 Authentication Bypass via Access Tok -
CVE-2026-82461
pac4j-oidc before 6.5.6 Privilege Escalation via Unverified -
CVE-2026-40459
LDAP Injection in PAC4J
Same vendor: pac4j
-
CVE-2026-82464
pac4j-core before 6.5.6 Open Redirect via Backslash Logout -
CVE-2026-82465
pac4j-saml before 6.5.6 Session Destruction via Unsigned Log -
CVE-2026-82462
pac4j-oidc before 6.5.6 Authentication Bypass via Access Tok -
CVE-2026-82461
pac4j-oidc before 6.5.6 Privilege Escalation via Unverified -
CVE-2026-40459
LDAP Injection in PAC4J
Same weakness: CWE-863
-
CVE-2026-62904
Microsoft Edge (Chromium-based) Information Disclosure Vulne -
CVE-2026-82272
Immich Locked Assets Remain Readable Through Albums and Shar -
CVE-2026-18918
OAuth 1.0 session-fixation chain via unauthenticated provisi -
CVE-2026-81729
Dolibarr before 23.0.4 Incorrect Authorization on REST API D -
CVE-2026-80209
Fonoster through 0.22.7 Incorrect Authorization in the Ident
V. Comments for CVE-2026-82463
No comments yet