Red Hat Security Advisory

RHSA-2026:1088

python3.12-urllib3 security update

Released 2026-01-26 · Red Hat rating Important · View on Red Hat →

Fixed in

TI-2026-17326 CVE-2026-21441 · GHSA-38jv-5279-wg99

MEDIUM 50

urllib3 is an HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.02922 Published 2026-01-07 Partial fix · 2.6.3 CWE-409

TI-2025-40854 CVE-2025-66418 · GHSA-gm62-xv2j-4w53

MEDIUM 46

urllib3 is a user-friendly HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.00731 Published 2025-12-05 Partial fix · 2.6.0 CWE-770

TI-2025-40898 CVE-2025-66471 · GHSA-2xpw-w6gg-jr37

MEDIUM 40

urllib3 is a user-friendly HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.00731 Published 2025-12-05 Partial fix · 2.6.0 CWE-409