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CVE-2026-55667

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.16, a scoped, non-admin File Browser user holding only the Create permission can delete arbitrary files outside their scope (other tenants' data, and the application's own database) via the upload failure-cleanup path. ScopedFs.RemoveAll is the one dereferencing operation that skips the symlink guard every other method enforces. The direct-upload
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:31a2787bc593b9f9520b17553d3a65e0c5d04dfc57c2ede5f14b42011dbe33a2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"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:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"filebrowser","vendor":"filebrowser","versions":[{"status":"affected","version":"< 2.63.16"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"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:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fmm7-x4gx-8jhr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/adp/0/references/0
{"name":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fmm7-x4gx-8jhr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-fmm7-x4gx-8jhr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:40ab4514b67580d939b5f875a2cab31614a2e43e7d764d3ef5d435049c7318c4 · sha256:beffee39a93b6777… · /containers/cna/references/0

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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