Detections
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Fedora 43 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-dd9cd16b18)

critical Nessus Plugin ID 318137

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-dd9cd16b18 advisory.

 nginx-mod-brotli:

 - Rebuild for 1.30.2

 nginx-mod-fancyindex:

 - Rebuild for 1.30.2

 nginx-mod-naxsi:

 - Rebuild for 1.30.2

 nginx-mod-headers-more:

 - Rebuild for 1.30.2

 nginx-mod-vts:

 - Rebuild for 1.30.2

 nginx-mod-modsecurity:

 - Rebuild for 1.30.2

 nginx:

 - update to 1.30.2
 - fixes CVE-2026-9256






Tenable has extracted the preceding description block directly from the Fedora 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://bodhi.fedoraproject.org/updates/FEDORA-2026-dd9cd16b18

Plugin Details

Severity: Critical

ID: 318137

File Name: fedora_2026-dd9cd16b18.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/1/2026

Updated: 6/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

CVSS Score Source: CVE-2026-9256

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:nginx-mod-fancyindex, p-cpe:/a:fedoraproject:fedora:nginx-mod-modsecurity, p-cpe:/a:fedoraproject:fedora:nginx, p-cpe:/a:fedoraproject:fedora:nginx-mod-headers-more, p-cpe:/a:fedoraproject:fedora:nginx-mod-brotli, p-cpe:/a:fedoraproject:fedora:nginx-mod-vts, p-cpe:/a:fedoraproject:fedora:nginx-mod-naxsi, cpe:/o:fedoraproject:fedora:43

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/23/2026

Vulnerability Publication Date: 5/22/2026

Reference Information

CVE: CVE-2026-9256

FEDORA: 2026-dd9cd16b18

IAVA: 2026-A-0515