Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0.
Project Subscriptions
No data.
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-4cx3-3c38-j9vv | katalyst-koi: Session cookies can be replayed after user logout |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Thu, 14 May 2026 17:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0. | |
| Title | Katalyst Koi: Session cookies can be replayed after user logout | |
| Weaknesses | CWE-613 | |
| References |
| |
| Metrics |
cvssV3_1
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-14T18:34:47.908Z
Reserved: 2026-05-06T18:28:20.887Z
Link: CVE-2026-44511
No data.
Status : Deferred
Published: 2026-05-14T17:16:22.760
Modified: 2026-05-14T18:19:25.260
Link: CVE-2026-44511
No data.
OpenCVE Enrichment
No data.
Weaknesses
Github GHSA