CVE-2007-2232: Cosign

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

The CHECK command in Cosign 2.0.1 and earlier allows remote attackers to bypass authentication requirements via CR (\r) sequences in the cosign cookie parameter.

Affected products

• Cosign Cosign: version 0.7.0 only; version 0.8.0 only; version 0.9.0 only; version 1.0 only; version 1.1 only; version 1.5 only; …

Published 2007-04-25. Last modified 2026-06-16.