P4Verified

PyJWT: PyJWKClient still amplifies unauthenticated JWKS fetches on unknown kid values (incomplete fix of CVE-2026-48524)

CVE-2026-101917 affects azl3 python-jwt 2.13.0-1 on Azure Linux 3.0. CVSS base score 5.3 (Microsoft Security Response Center). EPSS 0.00354 (percentile 0.26804), scored 2026-10-03. Fixed version: 2.14.0-1. Fixed version: 1.179.0-r0.

Published 2026-10-05 08:15:50.169392+00:00

CVE: CVE-2026-101917
Product: azl3 python-jwt 2.13.0-1 on Azure Linux 3.0
CCR priority: 21.3 /100 (P4)
CVSS: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · Microsoft Security Response Center
EPSS: 0.00354 · percentile 0.26793 · 2026-10-04
KEV: no

Affected products

azl3 python-jwt 2.13.0-1 on Azure Linux 3.0
pyjwt · Fixed version: 2.14.0-1
semgrep · Fixed version: 1.179.0-r0

Provenance

Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
FIRST EPSS daily exploit-probability · Source record · observed 2026-10-05 08:16:32.814186+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-101917.html