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
See what this means
CVSS v3 Base Score
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 |