CVE-2026-33671: Picomatch has a ReDoS vulnerability via extglob quantifiers

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Mar
Released
2026-03-29
Last Updated
2026-04-16
EPSS Score
0.02% (percentile: 5.4%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 1 repositories

Affected Products (5)

Open Source Software

  • azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0
  • cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0
  • cbl2 reaper 3.1.1-22 on CBL Mariner 2.0

Other

  • 21192-17084

Revision History

  • 2026-03-29: Information published.
  • 2026-03-30: Information published.
  • 2026-04-14: Information published.
  • 2026-04-15: Information published.
  • 2026-04-16: Information published.