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CVE-2026-79920

9.9 · CRITICAL

Ajenti is a Linux & BSD modular server admin panel.

Published Sep 21, 2026CWE-862EPSS 0.62%

Overview

CVE-2026-79920 is a critical-severity vulnerability. It was published on September 21, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Ajenti is a Linux & BSD modular server admin panel. Prior to version 2.2.16, any authenticated user can call /api/core/tasks/start to enqueue InstallPlugin, UnInstallPlugin, or UpgradeAll from plugins/plugins/tasks.py without plugin-management authorization. InstallPlugin and UnInstallPlugin construct a pip package specification from unvalidated name and version fields, and the task worker invokes pip while running as root. A low-privileged user can therefore select or manipulate a package installed with root privileges and can install, remove, or upgrade plugins without administrative permission, resulting in root code execution and full host compromise. This issue is fixed in version 2.2.16.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/ajenti/ajenti/commit/3a8cbee32df4c5033796f19af4210011163a6f6eGitHubgithub.com/ajenti/ajenti/commit/f07f02e0cdeeb3e528c1d5af28e27fd11623c49cGitHubgithub.com/ajenti/ajenti/releases/tag/v2.2.16GitHubgithub.com/ajenti/ajenti/security/advisories/GHSA-j8xf-5fw2-f99q

How CyberStrike helps

Frequently asked questions

What is CVE-2026-79920?

CVE-2026-79920 is a critical-severity vulnerability. It was published on September 21, 2026 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-79920?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-79920?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-79920?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-79920 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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