cve.bz

CVE-2026-128024 FrankenPHP before 1.13.0 Denial of Service via goArray Nil Type Assertion

8.2 highEPSS 0.5%

High (8.2) in php frankenphp. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.

On this page
FrankenPHP before 1.13.0 contains a denial of service vulnerability in goArray() that allows remote attackers to abort the server process via arrays with null integer-keyed elements. Attackers can send crafted JSON passed to frankenphp_log() or returned from worker callbacks, triggering an unrecovered cgo panic that terminates every vhost and in-flight request.

Severity

CVSS 4.0

8.2 high
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.9 medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.5% estimated probability of exploitation activity in the next 30 days; 43rd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-248 Uncaught Exception
OWASP Top 10
A10:2025 Mishandling of Exceptional Conditions
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-128024 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-128024?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-128024?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-128024 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-128024

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-128024](https://cve.bz/cve/badge/CVE-2026-128024.svg)](https://cve.bz/cve/CVE-2026-128024)

HTML:

<a href="https://cve.bz/cve/CVE-2026-128024"><img src="https://cve.bz/cve/badge/CVE-2026-128024.svg" alt="CVE-2026-128024"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
php frankenphpbefore 1.13.0

History

  1. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

Check your stackJSON