CVE-2026-54442
Emissary is a P2P based data-driven workflow engine. Prior to 8.51.0, the VALID_LINK validation in src/main/java/emissary/server/mvc/NavActi
CVSS
4.8
Medio
EPSS
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KEV
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Exploit Today
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0-100
Publicado: 5 nov 2026 · Última mod.: 5 nov 2026 · CWE-918
Sin historial EPSS suficiente todavía.
Emissary is a P2P based data-driven workflow engine. Prior to 8.51.0, the VALID_LINK validation in src/main/java/emissary/server/mvc/NavAction.java accepts protocol-relative URLs when processing configured navigation links. Browser URL normalization can interpret these accepted strings as external origins. The authoritative advisory attributes open redirect, server-side request forgery, and cloud metadata access to this bypass, but it identifies neither the server-side dereference path nor how navigation-link processing reaches that path. This issue is fixed in version 8.51.0.
- github.comhttps://github.com/NationalSecurityAgency/emissary/commit/e0179f7558cfb09a5bbc63a2f9fcb50f899768f6
- github.comhttps://github.com/NationalSecurityAgency/emissary/releases/tag/8.51.0
- github.comhttps://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-c6q7-wqw2-h65w
- github.comhttps://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-c6q7-wqw2-h65w