CVE-2026-49973
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.
Zayıflık
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.
Kaynaklar
- https://github.com/nesquena/hermes-webui/commit/1126e541325d401538f6a272a9c024c37d47ae08
- https://github.com/nesquena/hermes-webui/pull/3964
- https://github.com/nesquena/hermes-webui/pull/3973
- https://github.com/nesquena/hermes-webui/releases/tag/v0.51.358
- https://www.vulncheck.com/advisories/hermes-webui-unauthenticated-password-takeover-via-api-settings
- https://github.com/nesquena/hermes-webui/pull/3964
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