CVE-2026-115557 (GCVE-0-2026-115557)
Vulnerability from cvelistv5
Published
2026-10-24 14:15
Modified
2026-10-27 00:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-299 - Improper check for certificate revocation
Summary
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0 Version: 3.15.0 Version: 3.16.0a1 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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