CVE-2026-115557

Published: Ott 24, 2026 Last Modified: Ott 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,4
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A

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.

299

Improper Check for Certificate Revocation

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Integrity Other Confidentiality
Potential Impacts:
Gain Privileges Or Assume Identity Other Read Application Data
Applicable Platforms
Technologies: Not Technology-Specific, Web Based
Likelihood of Exploit: Medium
View CWE Details
https://emudhra.we-have-a-problem.com/
https://emudhra.we-have-a-problem.com/
https://github.com/python/cpython/issues/160040
https://github.com/python/cpython/issues/160040
https://github.com/python/cpython/pull/160042
https://github.com/python/cpython/pull/160042
https://mail.python.org/archives/list/security-announce@pyt…
https://mail.python.org/archives/list/[email protected]/thread/FNAJM…
http://www.openwall.com/lists/oss-security/2026/10/20/29
http://www.openwall.com/lists/oss-security/2026/10/20/29