Cyber ·
Python blocks compromised intermediate certificates in the ssl module (CVE-2026-115557)
A security advisory dated October 24, 2026 states that Python's ssl module gained a blocklist of intermediate certificates known to be compromised, to protect users. The excerpt received is truncated and machine-translated.
According to the advisory relayed by the oss-security list on October 24, 2026, identified as CVE-2026-115557, Python added a blocklist of intermediate certificates known to be compromised to its ssl module. The stated goal is to protect users. The available text is a machine translation and ends before its conclusion, so it does not detail which certificates are listed, which Python versions are affected, or the deployment dates. For those details, consult the original advisory on the oss-security feed dated October 24, 2026, and the official Python release notes. This item is a security advisory, not a guide: Rota Nacional provides no remediation steps of its own for it.