Unauthenticated PHP Code Injection in MetInfo CMS by MetInfo
CVE-2026-29014

9.3CRITICAL

Key Information:

Vendor

Metinfo Cms

Status
Metinfo Cms
Vendor
CVE Published:
1 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-29014?

MetInfo CMS versions 7.9, 8.0, and 8.1 are vulnerable to an unauthenticated PHP code injection attack. This vulnerability allows remote attackers to execute arbitrary code by crafting requests that include malicious PHP code. Due to insufficient input validation in the code execution path, attackers can achieve remote code execution, enabling them to gain complete control over the affected web server. Organizations using these MetInfo CMS versions should prioritize implementing security measures to mitigate this threat.

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Deploy the Patch

Affected Version(s)

MetInfo CMS 7.9.0 <= 8.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-29014 - Proof of Concept

References

https://karmainsecurity.com/KIS-2026-06
technical-descriptionexploit
https://www.metinfo.cn/
product
https://www.vulncheck.com/advisories/metinfo-cms-unauthen...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Egidio Romano
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