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Back to active CVEs
Critical · CVSS 9.3CVE-2026-128027

FrankenPHP before 1.1.11 Delayed Propagation of Base Image Security FixesCVE-2026-128027

Answer in brief

CVE-2026-128027 records a Critical severity (CVSS 9.3) vulnerability in FrankenPHP before 1.1.11 Delayed Propagation of Base Image Security Fixes. The current sources do not mark it as known exploited. The current feed maps php/frankenphp (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 13, 2026Updated Nov 13, 2026Source checked Nov 13, 2026First seen by HOL Nov 13, 2026Material review Nov 13, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps php/frankenphp (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
php/frankenphpgeneric>=0 <1.1.111.1.11

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for php/frankenphp.
  2. 2Review the reported fix. Update php/frankenphp to 1.1.11 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 13, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 13, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

FrankenPHP Docker images before 1.1.11 were rebuilt only when new base image tags were created, so security fixes that Alpine, PHP, and Go applied under existing tags were not propagated. Remote attackers could exploit known flaws in the stale system libraries, such as CVE-2025-15467 in libcrypto3, to execute code.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-1395
Source
CVE List V5
Source checked
Nov 13, 2026
References
2 linked sources
Open source record