# CVE-2026-128027: FrankenPHP before 1.1.11 Delayed Propagation of Base Image Security Fixes

Status: published. Published: 2026-11-13. Updated: 2026-11-13.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- php / frankenphp: ≥ 0; < 1.1.11 (affected, semver); 1.1.11 (unaffected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 9.3 (critical); 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; source: CNA: VulnCheck

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: VulnCheck

- CVSS 4.0: 9.3 (critical); 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-1395

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/php/frankenphp/security/advisories/GHSA-x9p2-77v6-6vhf (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/frankenphp-before-1.1.11-delayed-propagation-of-base-image-security-fixes (CNA: VulnCheck; third-party-advisory)

- https://github.com/php/frankenphp/security/advisories/GHSA-x9p2-77v6-6vhf (disclosure@vulncheck.com)

- https://www.vulncheck.com/advisories/frankenphp-before-1.1.11-delayed-propagation-of-base-image-security-fixes (disclosure@vulncheck.com)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-128027; retrieved 2026-11-13; source updated 2026-11-13

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-128027; retrieved 2026-11-13; source updated 2026-11-13

Revision: 67c9d53e18a3e4bfb4a9980810835c925ac45d99a381c009b0b3266f5e8a1c27

Canonical: https://y2.dev/cve/CVE-2026-128027

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- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.