CVE-2026-66339: Libsoup: libsoup: proxy credentials leak to destination server via proxy-authorization header in connect tunnels
Overview
- Severity
- Medium (CVSS 6.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-08-07
- EPSS Score
- 0.23% (percentile: 13.7%)
Affected Products (1)
Open Source Software
- azl3 libsoup 3.4.4-16 on Azure Linux 3.0
Revision History
- 2026-08-07: Information published.