CVE-2026-128019: FrankenPHP before 1.13.4 Information Disclosure via Per-Request Environment Variable Leak
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 24% of scored CVEs
DescriptionCVE.org
FrankenPHP before 1.13.4 contains an information disclosure vulnerability in worker mode that leaks per-request environment variables into later requests on the same PHP thread. Attackers can read values set via env directives with request placeholders or WithRequestEnv() through getenv() or $_SERVER, causing applications to act on another user's routing, tenant, or authorization values.
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-2026-128019 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.