CVE-2026-115557

Public on 2026-10-24
Modified on 2026-10-26
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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
6.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core python Pending Fix
Amazon Linux 2 - Core python3 Pending Fix
Amazon Linux 2023 python3.11 Pending Fix
Amazon Linux 2023 python3.12 Pending Fix
Amazon Linux 2023 python3.13 Pending Fix
Amazon Linux 2023 python3.14 Pending Fix
Amazon Linux 2027 Preview python3.14 Pending Fix
Amazon Linux 2023 python3.9 Pending Fix
Amazon Linux 2 - Python3.8 Extra python38 No Fix Planned

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N