Remote Code Execution Risk in FrankenPHP by PHP
CVE-2026-128027

9.3CRITICAL

Key Information:

Vendor

PHP
Status
FrankenPHP
Vendor
CVE Published:
13 November 2026

What is CVE-2026-128027?

FrankenPHP Docker images prior to version 1.1.11 lack timely updates for base image security fixes. As a result, users may inadvertently use outdated and vulnerable system libraries, leaving them open to exploitation by remote attackers. Known flaws, such as those in libcrypto3, can enable these attackers to execute arbitrary code on the affected systems.

Affected Version(s)

frankenphp 0 < 1.1.11

frankenphp 1.1.11

References

https://github.com/php/frankenphp/security/advisories/GHS...
vendor-advisory
https://www.vulncheck.com/advisories/frankenphp-before-1....
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

  • Vulnerability published

  • Vulnerability Reserved

Credit

opctim
dunglas
.