CVE-2026-54770: WebOb: Open redirect in Location header normalization via leading C0 control / space characters

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/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-25

EPSS Score

0.34% (percentile: 26.4%)

Affected Products (1)

Other

• 21757-17084

Revision History

• 2026-08-25: Information published.