Linux Distros Unpatched Vulnerability : CVE-2026-17039

low Nessus Plugin ID 329591

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A flaw was found in pki-core. The certificate authority (CA) renewal request path does not perform the realm-based authorization check that the enrollment path performs, allowing an authenticated user entitled to one realm to cause a certificate belonging to a different realm to be renewed without that realm's authorization. (CVE-2026-17039)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-17039

https://security-tracker.debian.org/tracker/CVE-2026-17039

Plugin Details

Severity: Low

ID: 329591

File Name: unpatched_CVE_2026_17039.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Misc.

Published: 7/25/2026

Updated: 7/25/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.2

Percentile: 50.96

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-17039

CVSS v3

Risk Factor: Low

Base Score: 3.1

Temporal Score: 2.9

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

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:dogtag-pki, p-cpe:/a:centos:centos:idm-jss-javadoc, p-cpe:/a:centos:centos:idm-jss, p-cpe:/a:centos:centos:idm-ldapjdk-javadoc, p-cpe:/a:centos:centos:idm-ldapjdk, p-cpe:/a:centos:centos:idm-pki-acme, p-cpe:/a:centos:centos:idm-pki-base-java, p-cpe:/a:centos:centos:idm-pki-base, p-cpe:/a:centos:centos:idm-pki-ca, p-cpe:/a:centos:centos:idm-pki-est, p-cpe:/a:centos:centos:idm-pki-java, p-cpe:/a:centos:centos:idm-pki-kra, p-cpe:/a:centos:centos:idm-pki-server, p-cpe:/a:centos:centos:idm-pki-symkey, p-cpe:/a:centos:centos:idm-pki-tools, p-cpe:/a:centos:centos:idm-tomcatjss, p-cpe:/a:centos:centos:jss-javadoc, p-cpe:/a:centos:centos:jss, p-cpe:/a:centos:centos:ldapjdk-javadoc, p-cpe:/a:centos:centos:ldapjdk, p-cpe:/a:centos:centos:pki-acme, p-cpe:/a:centos:centos:pki-base-java, p-cpe:/a:centos:centos:pki-base, p-cpe:/a:centos:centos:pki-ca, p-cpe:/a:centos:centos:pki-common-javadoc, p-cpe:/a:centos:centos:pki-common, p-cpe:/a:centos:centos:pki-core, p-cpe:/a:centos:centos:pki-java-tools-javadoc, p-cpe:/a:centos:centos:pki-java-tools, p-cpe:/a:centos:centos:pki-javadoc, p-cpe:/a:centos:centos:pki-kra, p-cpe:/a:centos:centos:pki-native-tools, p-cpe:/a:centos:centos:pki-selinux, p-cpe:/a:centos:centos:pki-server, p-cpe:/a:centos:centos:pki-setup, p-cpe:/a:centos:centos:pki-silent, p-cpe:/a:centos:centos:pki-symkey, p-cpe:/a:centos:centos:pki-tools, p-cpe:/a:centos:centos:pki-util-javadoc, p-cpe:/a:centos:centos:pki-util, p-cpe:/a:centos:centos:python3-idm-pki, p-cpe:/a:centos:centos:python3-pki, p-cpe:/a:centos:centos:resteasy-javadoc, p-cpe:/a:centos:centos:resteasy, p-cpe:/a:centos:centos:tomcatjss, p-cpe:/a:debian:debian_linux:dogtag-pki, p-cpe:/a:redhat:enterprise_linux:dogtag-pki, p-cpe:/a:redhat:enterprise_linux:idm-jss-javadoc, p-cpe:/a:redhat:enterprise_linux:idm-jss, p-cpe:/a:redhat:enterprise_linux:idm-ldapjdk-javadoc, p-cpe:/a:redhat:enterprise_linux:idm-ldapjdk, p-cpe:/a:redhat:enterprise_linux:idm-pki-acme, p-cpe:/a:redhat:enterprise_linux:idm-pki-base-java, p-cpe:/a:redhat:enterprise_linux:idm-pki-base, p-cpe:/a:redhat:enterprise_linux:idm-pki-ca, p-cpe:/a:redhat:enterprise_linux:idm-pki-est, p-cpe:/a:redhat:enterprise_linux:idm-pki-java, p-cpe:/a:redhat:enterprise_linux:idm-pki-kra, p-cpe:/a:redhat:enterprise_linux:idm-pki-server, p-cpe:/a:redhat:enterprise_linux:idm-pki-symkey, p-cpe:/a:redhat:enterprise_linux:idm-pki-tools, p-cpe:/a:redhat:enterprise_linux:idm-tomcatjss, p-cpe:/a:redhat:enterprise_linux:jss-javadoc, p-cpe:/a:redhat:enterprise_linux:jss, p-cpe:/a:redhat:enterprise_linux:ldapjdk-javadoc, p-cpe:/a:redhat:enterprise_linux:ldapjdk, p-cpe:/a:redhat:enterprise_linux:pki-acme, p-cpe:/a:redhat:enterprise_linux:pki-base-java, p-cpe:/a:redhat:enterprise_linux:pki-base, p-cpe:/a:redhat:enterprise_linux:pki-ca, p-cpe:/a:redhat:enterprise_linux:pki-common-javadoc, p-cpe:/a:redhat:enterprise_linux:pki-common, p-cpe:/a:redhat:enterprise_linux:pki-core, p-cpe:/a:redhat:enterprise_linux:pki-java-tools-javadoc, p-cpe:/a:redhat:enterprise_linux:pki-java-tools, p-cpe:/a:redhat:enterprise_linux:pki-javadoc, p-cpe:/a:redhat:enterprise_linux:pki-kra, p-cpe:/a:redhat:enterprise_linux:pki-native-tools, p-cpe:/a:redhat:enterprise_linux:pki-selinux, p-cpe:/a:redhat:enterprise_linux:pki-server, p-cpe:/a:redhat:enterprise_linux:pki-setup, p-cpe:/a:redhat:enterprise_linux:pki-silent, p-cpe:/a:redhat:enterprise_linux:pki-symkey, p-cpe:/a:redhat:enterprise_linux:pki-tools, p-cpe:/a:redhat:enterprise_linux:pki-util-javadoc, p-cpe:/a:redhat:enterprise_linux:pki-util, p-cpe:/a:redhat:enterprise_linux:python3-idm-pki, p-cpe:/a:redhat:enterprise_linux:python3-pki, p-cpe:/a:redhat:enterprise_linux:resteasy-javadoc, p-cpe:/a:redhat:enterprise_linux:resteasy, p-cpe:/a:redhat:enterprise_linux:tomcatjss

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 7/24/2026

Reference Information

CVE: CVE-2026-17039