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CVE-2026-61874

filebrowser versions before 2.63.17 fail to normalize paths before querying the share index in DeleteWithPathPrefix, allowing authenticated users to leave stale public shares behind. Attackers can delete a shared directory using a trailing-slash path, then recreate the same directory to expose new contents through the dormant public share URL.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2150840eaf993ebf78381462a2619cdc2a5aa1acb77c671288e80c865237c543
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":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/filebrowser/filebrowser/v2","product":"filebrowser","vendor":"filebrowser","versions":[{"lessThan":"2.63.17","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.63.17","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/filebrowser/filebrowser/commit/be23ab3a15bf957928ecfed88de5ab67850c1b9c","tags":["patch"],"url":"https://github.com/filebrowser/filebrowser/commit/be23ab3a15bf957928ecfed88de5ab67850c1b9c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-pp88-jhwj-5qh5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-pp88-jhwj-5qh5)","tags":["vendor-advisory"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-pp88-jhwj-5qh5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/references/0
{"name":"VulnCheck Advisory: filebrowser before 2.63.17 Stale Public Share via Trailing-Slash Delete","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/filebrowser-before-stale-public-share-via-trailing-slash-delete"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:58d849688f02023a218474944d028862079bf37057d86a25abd4e8ce8690d58d · sha256:53360edc7e9819f5… · /containers/cna/references/2

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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