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Advisories

FrankenPHP before 1.13.4 Cross-Request Response Header Leak in Worker Mode

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Severity
medium
Date
Affecting

  • frankenphp >= 0, < 1.13.4

CWE
  • CWE-488 Exposure of Data Element to Wrong Session
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Zachariah Mithani (AploSec)
Description
FrankenPHP before 1.13.4 contains an information disclosure vulnerability in worker mode that fails to clear last HTTP stream response headers between requests, because the reset only happens in RSHUTDOWN, which worker requests skip. Later requests calling http_get_last_response_headers() can read headers fetched by earlier requests on the same worker thread, exposing other users' Set-Cookie or token headers from backend APIs.

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