CVE-2026-12547
Libsoup: information disclosure in libsoup via soupauthmanager proxy credential leak on proxy switch
- State
- Published
- Severity
- 3.4 Low
- Published
- Jul 21, 2026
- Updated
- Jul 21, 2026
- Reserved
- Jun 17, 2026
Description
SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 3.4 Low | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N | redhat |
Weaknesses
- CWE-201 Insertion of Sensitive Information Into Sent Data
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 10Red Hat |
References
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