CVE-2026-128016: FrankenPHP before 1.13.4 Use-After-Free of SplTempFileObject Streams in Worker Mode
php · frankenphp
Fixed in 1.13.4 · Affected: php frankenphp before 1.13.4 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 39% of scored CVEs
DescriptionCVE.org
FrankenPHP before 1.13.4 contains a use-after-free vulnerability in worker mode that frees internal streams of SplTempFileObject or SplFileObject on php://temp instances surviving across requests. Remote clients can send requests reaching code that uses such persisted objects, causing reads of freed memory that leak garbage data or crash the process.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- php · frankenphpbefore 1.13.4
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- php
- Published
- November 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-128016 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.