What’s Vulnerable › Vulnerabilities

CVE-2026-111627: HestiaCP before 1.10.5 Protected Admin Bypass via Cron Job Creation

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-16 · updated 2026-10-16
• Weakness: CWE-863

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

• hestiacp/hestiacp: before 1.10.5 — fixed in 1.10.5

How to fix

Upgrade to a fixed version: hestiacp/hestiacp 1.10.5. Check the vendor advisory for mitigations.

References

• https://github.com/hestiacp/hestiacp/blob/1.10.4/web/add/cron/index.php#L11-L70
• https://github.com/hestiacp/hestiacp/blob/1.10.4/web/inc/policies.php#L3-L14
• https://github.com/hestiacp/hestiacp/commit/1af7e057cd5ad2ea945acba6c9932ea1a1802c24
• https://github.com/hestiacp/hestiacp/releases/tag/1.10.5
• https://github.com/hestiacp/hestiacp/security/advisories/GHSA-vp7q-fjv5-5vg8
• https://www.vulncheck.com/advisories/hestiacp-before-1.10.5-protected-admin-bypass-via-cron-job-creation
• https://github.com/hestiacp/hestiacp/security/advisories/GHSA-vp7q-fjv5-5vg8

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