CVE-2026-12547
Low
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.
SeverityLow
CVSS3.4
Exploit probability—
Product
Red Hat Enterprise Linux 10
PublishedJul 21, 2026
First seenJul 21, 2026
Weakness typeCWE-201CWE-201
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
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