CVE-2026-44889: WebOb: Location header normalization during redirect leads to open redirect

Overview

Severity
Medium (CVSS 6.1)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-28
Last Updated
2026-06-30
EPSS Score
0.16% (percentile: 5.8%)

Affected Products (1)

Mariner

  • azl3 python-webob 1.8.8-1 on Azure Linux 3.0

Revision History

  • 2026-06-28: Information published.
  • 2026-06-29: Information published.
  • 2026-06-30: Information published.