VULNERABILITY INTELLIGENCE
CVE-2026-115557
EPSS probability0.53%
CISA KEVNot currently listed
Published2026-10-24
Last modified2026-10-27
Description
Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configuration.
Weakness classification
- cna@python.org: CWE-299