Red HatCVE-2026-12547
Red Hat Enterprise Linux 10: information disclosure
Low3.4CVE-2026-12547 · Published Jul 21, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 10 Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-201
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Jul 21 | Red Hat libarchive: integer overflow | Low2.9 | No fix yet |
| Jul 21 | Red Hat Enterprise Linux 10: out-of-bounds read | Medium4.2 | No fix yet |
| Jul 21 | Red Hat ansible-core: argument injection | High7.8 | No fix yet |
| Jul 21 | Red Hat libssh. Logic errors: denial of service | Low3.1 | No fix yet |
| Jul 21 | Red Hat libssh: use after free | Medium4.3 | No fix yet |
| Jul 21 | Red Hat libssh. On: improper authorization | High8.8 | No fix yet |