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CVE-2026-6832

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c5657a697ae22237dd40edce874d9077f4c8a551afdd366a67cf299d8fd64ea6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"hermes-webui","vendor":"nesquena","versions":[{"lessThan":"PR #409","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/nesquena/hermes-webui/commit/3cc5839bf303fa6758bfdac538507407a2929655"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/2
{"name":"Pull Request","tags":["issue-tracking"],"url":"https://github.com/nesquena/hermes-webui/pull/409"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/0
{"name":"Pull Request","tags":["issue-tracking"],"url":"https://github.com/nesquena/hermes-webui/pull/412"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/1
{"name":"Release Notes","tags":["third-party-advisory"],"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.50.132"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/3
{"name":"Release Notes","tags":["third-party-advisory"],"url":"https://github.com/nesquena/hermes-webui/releases/tag/v0.50.32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/4
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/nesquena-hermes-webui-arbitrary-file-deletion-via-unvalidated-session-id"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f10c6c87938324b7a4f4c0120ba179370840066e58389d0806a580cc2d8059fc · sha256:bec7c35f911b0d5a… · /containers/cna/references/5

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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