What’s Vulnerable › Vulnerabilities

CVE-2026-30224: OliveTin: Session Fixation - Logout Fails to Invalidate Server-Side Session

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-06 · updated 2026-06-17
• Weakness: CWE-384

Description

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.11.1, OliveTin does not revoke server-side sessions when a user logs out. Although the browser cookie is cleared, the corresponding session remains valid in server storage until expiry (default ≈ 1 year). An attacker with a previously stolen or captured session cookie can continue authenticating after logout, resulting in a post-logout authentication bypass. This is a session management flaw that violates expected logout semantics. This issue has been patched in version 3000.11.1.

Affected products

• OliveTin: before 3000.11.1 — fixed in 3000.11.1

How to fix

Upgrade to a fixed version: OliveTin 3000.11.1. Check the vendor advisory for mitigations.

References

• https://github.com/OliveTin/OliveTin/commit/d6a0abc3755d43107be1939567c52953bcbec3d5
• https://github.com/OliveTin/OliveTin/releases/tag/3000.11.1
• https://github.com/OliveTin/OliveTin/security/advisories/GHSA-gq2m-77hf-vwgh

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