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CVE

CVE-2026-79920

Ajenti: Privilege escalation to root via unauthenticated/unauthorized plugin install task
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CVE

CVE-2026-79920

Ajenti: Privilege escalation to root via unauthenticated/unauthorized plugin install task

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
C
H
U
9.9
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/ajenti/ajenti/releases/tag/v2.2.16, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79920.json, https://github.com/ajenti/ajenti/security/advisories/GHSA-j8xf-5fw2-f99q, https://nvd.nist.gov/vuln/detail/CVE-2026-79920, https://github.com/ajenti/ajenti/commit/3a8cbee32df4c5033796f19af4210011163a6f6e, https://github.com/ajenti/ajenti/commit/f07f02e0cdeeb3e528c1d5af28e27fd11623c49c

Severity

9.9

CVSS Score
0
10

Basic Information

Base CVSS
9.9
EPSS Probability
0.00624%
EPSS Percentile
0.48961%
Introduced Version
0,0.49,0.41,0.16,0.13,0.12,0.11,0.8
Fix Available
4dd4ba0afc4b9e81753083553180d464518178ec,0.55

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