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CVE-2026-128020 FrankenPHP before 1.13.2 Denial of Service via Cyclic Array Conversion

8.2 highEPSS 0.4%

High (8.2) in php frankenphp. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.

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FrankenPHP before 1.13.2 contains an uncontrolled recursion vulnerability in its PHP-to-Go array converter that fails to detect circular references in PHP arrays. Passing a self-referential array to frankenphp_log() or returning one from a worker callback triggers a fatal Go stack overflow, terminating the entire server process.

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
0.4% estimated probability of exploitation activity in the next 30 days; 39th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-674 Uncontrolled Recursion
Published
Modified
Assigned by
VulnCheck (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
php frankenphpbefore 1.13.2

Attack patterns (CAPEC)

  • CAPEC-230 Serialized Data with Nested Payloads Likelihood: Medium · Severity: High
  • CAPEC-231 Oversized Serialized Data Payloads Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

History

  1. The NVD deferred its analysis

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

References

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