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RockyLinux 8 : curl (RLSA-2026:57462)

high Nessus Plugin ID 338674

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Synopsis

The remote RockyLinux host is missing a security update.

Description

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:57462 advisory.

 * curl: curl: Insecure connection establishment due to TLS configuration mismatch (CVE-2026-8286)

 Bug Fix(es) and Enhancement(s):

 * Regression of Rocky Linux-73788. The .9 revision appears to have broken the logic that forces NTLM to use HTTP/1.1. (JIRA:Rocky Linux-171912)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2496763

https://errata.rockylinux.org/RLSA-2026:57462

Plugin Details

Severity: High

ID: 338674

File Name: rocky_linux_RLSA-2026-57462.nasl

Version: 1.1

Type: Local

Published: 8/21/2026

Updated: 8/21/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.7

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-8286

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:curl-debuginfo, p-cpe:/a:rocky:linux:curl-debugsource, p-cpe:/a:rocky:linux:curl, p-cpe:/a:rocky:linux:libcurl-debuginfo, p-cpe:/a:rocky:linux:libcurl-devel, p-cpe:/a:rocky:linux:libcurl-minimal-debuginfo, p-cpe:/a:rocky:linux:libcurl-minimal, p-cpe:/a:rocky:linux:libcurl

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/21/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-8286