CVE-2026-49973: fallo crítico en nesquena hermes-webui
Hermes WebUI < 0.51.358 Unauthenticated Password Takeover via /api/settings
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
28Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 9.2epss 0.5%
Hermes WebUI before version 0.51.358 contains an improper access control vulnerability that allows unauthenticated remote attackers to hijack initial setup by submitting the _set_password parameter to the settings API endpoint without any network origin restriction. Attackers on any reachable network can send a POST request to the settings endpoint during the first-run setup window to persist an arbitrary password hash, obtain a valid session cookie, and lock out the legitimate operator from their own instance.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Productos afectados
nesquena · hermes-webuiCVEs relacionadas — nesquena hermes-webui
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-58123CRITICALHermes WebUI < 0.51.788 Unauthenticated RCE via Terminal APIEPSS 4.6%CVE-2026-49959HIGHHermes WebUI < 0.51.311 RCE via Git Configuration InjectionEPSS 0.9%CVE-2026-49955MEDIUMHermes WebUI < 0.51.270 Resource Exhaustion via passkey/optionsEPSS 0.6%CVE-2026-55205MEDIUMHermes WebUI < 0.51.468 - Resource Exhaustion via Unauthenticated OAuth Flow EndpointEPSS 0.5%CVE-2026-6832HIGHNesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_idEPSS 0.5%CVE-2026-58174MEDIUMHermes WebUI < 0.51.521 - Cross-Profile Authorization Bypass via Unset Session Profile on ImportEPSS 0.5%
Referencias
https://github.com/nesquena/hermes-webui/commit/1126e541325d401538f6a272a9c024c37d47ae08https://github.com/nesquena/hermes-webui/pull/3964https://github.com/nesquena/hermes-webui/pull/3973https://github.com/nesquena/hermes-webui/releases/tag/v0.51.358https://www.vulncheck.com/advisories/hermes-webui-unauthenticated-password-takeover-via-api-settings