CVE-2026-8286 Affecting libcurl-devel package, versions <0:7.76.1-40.el9_8.5


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LIBCURLDEVEL-18959668
  • published19 Aug 2026
  • disclosed17 Aug 2026

Introduced: 17 Aug 2026

NewCVE-2026-8286  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 libcurl-devel to version 0:7.76.1-40.el9_8.5 or higher.
This issue was patched in ALSA-2026:55439.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl-devel package and not the libcurl-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not.

CVSS Base Scores

version 3.1