{"id":"CVE-2026-49956","title":"Hermes WebUI < 0.51.269 Profile Isolation Bypass via sessions search","summary":"Hermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-profile filtering. A…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"nesquena","product":"hermes-webui","affected":["hermes-webui < 0.51.269"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-09T17:50:27.441317Z"},"exploitAvailable":true,"published":"2026-06-09","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:04:58.175Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-49956","references":[{"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.51.269","label":"hermes-webui 0.51.269 Release Notes"},{"url":"https://github.com/nesquena/hermes-webui/pull/3646"},{"url":"https://github.com/nesquena/hermes-webui/pull/3672"},{"url":"https://github.com/nesquena/hermes-webui/commit/2c7b530071bb29ae4184e83e33be5799d529568e"},{"url":"https://www.vulncheck.com/advisories/hermes-webui-profile-isolation-bypass-via-sessions-search"}],"tags":["cve.org","exploit-available"],"epss":0.00272,"epssPercentile":0.19706,"ingestedAt":"2026-11-08T14:51:22.383Z","slug":"CVE-2026-49956","body":"## Overview\n\nHermes WebUI before version 0.51.269 contains a profile isolation bypass vulnerability that allows authenticated users to access data belonging to other profiles by querying the session search endpoint without active-profile filtering. Attackers can send requests to the sessions search handler to retrieve session titles and transcript message content from profiles other than their own active profile.\n\n## Affected\n\n- `hermes-webui < 0.51.269`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}