python-cryptography: Duplicate self-signed intermediates can cause exponential path-building

Date Aug 3, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI ยท cryptography
CVE CVE-2026-69249
High-risk advisory CVE-2026-69249

Summary

python-cryptography: Duplicate self-signed intermediates can cause exponential path-building

Why it matters

GitHub has published a reviewed security advisory for cryptography. Prioritize it with other application dependency updates.

Operator check

Check whether cryptography is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.