{"id":"CVE-2026-6832","aliases":["EUVD-2026-24517","GHSA-pwfc-qm9r-p6h4"],"status":"published","title":"Nesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_id","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","severity":{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00475,"percentile":0.41345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-04-21T21:44:55Z","modified":"2026-11-09T02:47:27Z","products":[{"vendor":"get-hermes","product":"hermes_web_ui"},{"vendor":"nesquena","product":"hermes-webui"}],"references":[{"url":"https://github.com/nesquena/hermes-webui/pull/409","tags":["issue-tracking","patch","Exploit","Issue Tracking","Patch","Vendor Advisory","fix"]},{"url":"https://github.com/nesquena/hermes-webui/pull/412","tags":["issue-tracking","patch","Issue Tracking","Patch","fix"]},{"url":"https://github.com/nesquena/hermes-webui/commit/3cc5839bf303fa6758bfdac538507407a2929655","tags":["patch","Patch","fix"]},{"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.50.132","tags":["third-party-advisory","release-notes","Product","Release Notes","advisory"]},{"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.50.32","tags":["third-party-advisory","release-notes","Product","Release Notes","advisory"]},{"url":"https://www.vulncheck.com/advisories/nesquena-hermes-webui-arbitrary-file-deletion-via-unvalidated-session-id","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6832","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pwfc-qm9r-p6h4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6832.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-6832","title":"Nesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_id","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","status":"published","published":"2026-04-21T21:44:55.301Z","modified":"2026-11-08T14:08:15.163Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-24517","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","status":"published","published":"2026-04-21T21:44:55Z","modified":"2026-11-08T14:08:15Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-08T15:13:06.469155Z"}],"ghsa":[{"id":"GHSA-pwfc-qm9r-p6h4","title":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete...","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","status":"published","published":"2026-04-22T00:31:41Z","modified":"2026-04-22T00:31:41Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/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":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:07:34.1405Z"}],"nvd":[{"id":"CVE-2026-6832","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","status":"published","published":"2026-04-21T22:16:21.04Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/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":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:15.493943Z"}],"osv":[{"id":"CVE-2026-6832","title":"Nesquena Hermes WebUI Arbitrary File Deletion via Unvalidated session_id","description":"Hermes WebUI contains an arbitrary file deletion vulnerability in the /api/session/delete endpoint that allows authenticated attackers to delete files outside the session directory by supplying an absolute path or path traversal payload in the session_id parameter. Attackers can exploit unvalidated session identifiers to construct paths that bypass the SESSION_DIR boundary and delete writable JSON files on the host system.","status":"published","published":"2026-04-21T21:44:55.301Z","modified":"2026-11-09T02:47:27.958442051Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-09T03:16:17.543303Z"}]}}