What is CVE-2026-27975?

CVE-2026-27975 is a critical-severity vulnerability in Ajenti, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-26.

How severe is CVE-2026-27975?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Ajenti

CVE-2026-27975

Ajenti is a Linux and BSD modular server admin panel. Prior to version 2.2.13, an unauthenticated user could gain access to a server to execute arbitrary code on this server. This is fixed in the version 2.2.13.

Published 2026-02-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.001

Affected products

Ajenti — versions < 2.2.13

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

github.com/ajenti/ajenti/security/advisories/GHSA-vcw3-r3fx-j444 (Patch, Vendor Advisory)
github.com/ajenti/ajenti/releases/tag/v2.2.13 (Product, Release Notes)

Frequently asked questions

What is CVE-2026-27975?: CVE-2026-27975 is a critical-severity vulnerability in Ajenti, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-02-26.
How severe is CVE-2026-27975?: Critical severity. CVSS v3 base score is 9.8 out of 10.