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PyJWT accepts public JWK containers as HMAC secrets

CVE-2026-102273 affects azl3 python-jwt 2.13.0-1 on Azure Linux 3.0. CVSS base score 7.4 (Microsoft Security Response Center). EPSS 0.00175 (percentile 0.0626), scored 2026-10-03. Fixed version: 2.14.0-1. Fixed version: 1.179.0-r0.

Published 2026-10-05 08:15:50.124496+00:00

CVE

CVE-2026-102273

Product

azl3 python-jwt 2.13.0-1 on Azure Linux 3.0

CCR priority

29.6 /100 (P4)

CVSS

7.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N · Microsoft Security Response Center

EPSS

0.00175 · percentile 0.0624 · 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-2026-102273.html