CVE-2020-27846: Fedoraproject Fedora

Critical severity, CVSS 9.8. EPSS: 4.9% chance of exploitation in the next 30 days.

A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only
• Grafana Grafana: before 6.7.5 (fixed in 6.7.5); from 7.0.0, before 7.2.3 (fixed in 7.2.3); from 7.3.0, before 7.3.6 (fixed in 7.3.6)
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Openshift Container Platform: version 3.11 only; version 4.0 only
• Red Hat Openshift Service Mesh: version 2.0 only
• SAML Project SAML: before 0.4.3 (fixed in 0.4.3)

Published 2020-12-21. Last modified 2026-06-17.