Vulnerability · Published Oct 16, 2026 · Assigned by VulnCheck
CVE-2026-111627HestiaCP before 1.10.5 Protected Admin Bypass via Cron Job Creation
High 7.2
In plain English
A high-severity incorrect authorization in hestiacp from hestiacp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Official description
HestiaCP before 1.10.5 contains an authorization bypass vulnerability that allows non-ROOT_USER administrators to perform write actions while impersonating the protected ROOT_USER account. Attackers can log in via the loginas parameter and POST to /add/cron/, because the read-only flag is never checked, causing crond to run their commands as the protected administrator's system account.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-vp7q-fjv5-5vg8) vendor-advisory
- https://github.com/hestiacp/hestiacp/blob/1.10.4/web/add/cron/index.php#L11-L70 technical-description
- https://github.com/hestiacp/hestiacp/blob/1.10.4/web/inc/policies.php#L3-L14 technical-description
- https://github.com/hestiacp/hestiacp/commit/1af7e057cd5ad2ea945acba6c9932ea1a1802c24 patch
- hestiacp 1.10.5 Release Notes release-notes
- VulnCheck Advisory: HestiaCP before 1.10.5 Protected Admin Bypass via Cron Job Creation third-party-advisory