{"id":"CVE-2026-22677","aliases":["EUVD-2026-30109","GHSA-wvw9-5wfm-7729"],"status":"published","title":"Hermes WebUI \u003c 0.51.44 Path Traversal via Session Import Endpoint","description":"Hermes WebUI prior to 0.51.44 contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00376,"percentile":0.31814,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-05-13T19:08:02Z","modified":"2026-11-09T02:47:18Z","products":[{"vendor":"nesquena","product":"hermes-webui"}],"references":[{"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.51.44","tags":["release-notes","advisory"]},{"url":"https://github.com/nesquena/hermes-webui/pull/2048","tags":["issue-tracking","patch","exploit","fix"]},{"url":"https://github.com/nesquena/hermes-webui/commit/f00cb74f776f22f02f5eb6b39dfb389f87cc7fd3","tags":["patch","fix"]},{"url":"https://www.vulncheck.com/advisories/hermes-webui-path-traversal-via-session-import-endpoint","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22677","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-wvw9-5wfm-7729"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22677.json","tags":["advisory"]},{"url":"https://github.com/nesquena/hermes-webui","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-22677","title":"Hermes WebUI \u003c 0.51.44 Path Traversal via Session Import Endpoint","description":"Hermes WebUI prior to 0.51.44 contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. 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Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.","status":"published","published":"2026-05-13T19:08:02Z","modified":"2026-11-08T14:01:18Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-08T15:13:09.785497Z"}],"ghsa":[{"id":"GHSA-wvw9-5wfm-7729","title":"Hermes WebUI prior to 0.51.44 - Release T contains a path traversal vulnerability in the session...","description":"Hermes WebUI prior to 0.51.44 - Release T contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.","status":"published","published":"2026-05-13T21:32:05Z","modified":"2026-05-13T21:32:13Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:08:07.741271Z"}],"nvd":[{"id":"CVE-2026-22677","description":"Hermes WebUI prior to 0.51.44 contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.","status":"published","published":"2026-05-13T19:17:04.347Z","modified":"2026-10-26T17:10:03.27Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:19.020465Z"}],"osv":[{"id":"CVE-2026-22677","title":"Hermes WebUI \u003c 0.51.44 Path Traversal via Session Import Endpoint","description":"Hermes WebUI prior to 0.51.44 contains a path traversal vulnerability in the session import endpoint that allows authenticated attackers to read arbitrary files by importing a crafted session with an unrestricted workspace value. Attackers can supply a blocked filesystem root in the workspace field and subsequently use relative paths in the session file API to access any file readable by the WebUI process.","status":"published","published":"2026-05-13T19:08:02.79Z","modified":"2026-11-09T02:47:18.612948341Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-09T03:16:17.543303Z"}]}}