CVE-2026-9079
9.8
CRITICAL
CVSS 3.1
EPSS 1.1%
Description
libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them.
How to fix CVE-2026-9079
To remediate CVE-2026-9079, upgrade the affected package to a fixed version below.
- Alpine/curl—upgrade to 8.21.0-r0 or later
Is CVE-2026-9079 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 8.8.0, < 8.21.0-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |