CVE-2026-128019

CVSS 6.3 (medium) · published 2026-11-13

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.

Weakness: CWE-200

Source: NVD CVE-2026-128019

References

• https://github.com/php/frankenphp/commit/72f9366de07093ba3f524af3e6c73451012e5199
• https://github.com/php/frankenphp/security/advisories/GHSA-8386-64gm-3m8q
• https://www.vulncheck.com/advisories/frankenphp-before-1.13.4-information-disclosure-via-per-request-environment-variable-leak

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