Detections
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Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_29151)
critical Nessus Plugin ID 358564
Synopsis
The Rocky Linux host is missing one or more security updates.Description
The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-2026_29151 advisory.* nginx: ngx_http_rewrite_module: code execution and denial of service (CVE-2026-9256)
Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_29151.See Also
https://access.redhat.com/errata/RHSA-2026:29151
https://bugzilla.redhat.com/show_bug.cgi?id=2480746
https://errata.build.resf.org/RLSA-2026:29151
Plugin Details
Severity: Critical
ID: 358564
File Name: ciq_rocky_linux_9_crlsa-2026_29151.nasl
Version: 1.1
Type: Local
Published: 10/1/2026
Updated: 10/1/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.9
Percentile: 96.5
Vendor
Vendor Severity: Unknown
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
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 6/25/2026
Vulnerability Publication Date: 5/22/2026
Reference Information
CVE: CVE-2026-9256