CVE-2026-48856: httpc leaks Authorization header to cross-origin redirect targets

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-17

EPSS Score

0.34% (percentile: 25.1%)

Affected Products (1)

Other

• 21268-17084

Revision History

• 2026-06-17: Information published.