CVE-2026-78189
WebDyne versions from 3.007 before 3.022 for Perl execute .psp files outside the document root via path traversal in the PSGI API route fall
CVSS
9.8
Crítica
EPSS
0.6%
p50
KEV
—
Exploit Today
15
0-100
Publicado: 31 de out. de 2026 · Última mod.: 6 de nov. de 2026 · CWE-22
0.2%EPSS · 30 dias0.6%
2026-11-012026-11-07
WebDyne versions from 3.007 before 3.022 for Perl execute .psp files outside the document root via path traversal in the PSGI API route fallback. When a request matches no file, the PSGI handler retries it as an API route through api_filename. That keeps .. segments in the request path and only checks that the joined path starts with the document root, which a request for /../private passes. A remote attacker can run the embedded Perl in any .psp file the server can read, such as one uploaded to a directory outside the document root.
CVECVSSEPSSKEVRExploitTítuloMod.
CVE-2026-1235346.5 MÉD—
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