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CVE-2026-44511

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CVE-2026-44511

Published: May 14, 2026

Modified: May 14, 2026

PUBLISHED

CVSS v3.1

7.4

HIGH

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.

VendorProductVersions

katalyst

koi

affected
< 4.20.0
affected
>= 5.0.0 <= 5.6.0

Weaknesses (CWE)

CWE-613

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

References

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