CVE-2026-122233: falha de média gravidade em php frankenphp
FrankenPHP before 1.13.4 Cross-Request Response Header Leak in Worker Mode
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.3epss 0.2%
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.
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
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Referências
https://github.com/php/frankenphp/commit/3fade63bb1c1d246926ed8a00520015f94cdc819https://github.com/php/frankenphp/releases/tag/v1.13.4https://github.com/php/frankenphp/security/advisories/GHSA-pmvg-8483-mw84https://www.vulncheck.com/advisories/frankenphp-before-1.13.4-cross-request-response-header-leak-in-worker-mode