Detections
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Linux Distros Unpatched Vulnerability : CVE-2026-34486

high Nessus Plugin ID 305883

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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.

 - Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor. This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
 (CVE-2026-34486)

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-2026-34486

Plugin Details

Severity: High

ID: 305883

File Name: unpatched_CVE_2026_34486.nasl

Version: 1.17

Type: Local

Agent: unix

Family: Misc.

Published: 4/10/2026

Updated: 11/5/2026

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: High

Score: 7

Percentile: 98.06

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-34486

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7.3

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

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

Vulnerability Information

CPE: cpe:/a:redhat:enterprise_linux:9, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:pki-servlet-4.0-api, p-cpe:/a:redhat:enterprise_linux:pki-servlet-engine

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 4/4/2026

CISA Known Exploited Vulnerability Due Dates: 8/7/2026

Reference Information

CVE: CVE-2026-34486