CVE-2026-122233
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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The sources do not list affected products or versions for this vulnerability yet.
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Published
First publication at the source
Last modified
Latest change at the source
Collected
First seen by Baba Yaga Security