01 Record
CVE-2026-116682
FileBrowser Quantum: Symlink following escapes user scope allowing arbitrary file read outside the served directory
HighPUBLISHEDCNA: GitHub_M
CNA base score8.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
02 Description
FileBrowser Quantum: Symlink following escapes user scope allowing arbitrary file read outside the served directory
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.53% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.0% of scored records. A rank, not a probability.
- NVD base score
- 8.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-28.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-27 17:48Z2 DAYS AGO
- Last updated
- 2026-10-27 17:48Z2 DAYS AGO
- Reserved
- 2026-10-26
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 09a40f2144d7a68f4fc7b0eaf215a79761cd8cd73f3f8c4d7712d5fccd0edf0a
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj
- github.comhttps://github.com/gtsteffaniak/filebrowser/pull/2795
- github.comhttps://github.com/gtsteffaniak/filebrowser/pull/2800
- github.comhttps://github.com/gtsteffaniak/filebrowser/commit/3c8c02414eefd3351ffe437fa39ff6eb150ffa67
- github.comhttps://github.com/gtsteffaniak/filebrowser/commit/4126edeb07a015c3809a89249b283e07a4e50c38
- github.comhttps://github.com/gtsteffaniak/filebrowser/releases/tag/v1.5.2-stable
- github.comhttps://github.com/gtsteffaniak/filebrowser/releases/tag/v2.0.1-beta