November 13, 2026

CVE Watchtower

CVE-2026-129162dromara free-fs Missing Authentication for Critical Function

NVD

Vulnerability Summary

Dromara free-fs 2.0.1 through 2.3.1 contains a missing authentication vulnerability in FileStreamController.preview that allows unauthenticated attackers to download stored files. Attackers who obtain a file ID from share listings or preview links can request /api/file/stream/preview/{fileId} to download any user's or workspace's files.
Severity Level
HIGH(8.2)
Published Date
Nov 13, 2026
Last Modified
Nov 13, 2026
Exploitation Status
No confirmed exploitation yet
Root Weakness (CWE)
CWE-306: Missing Authentication for Critical Function ↗
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
CVSS v4.0 Base Metrics — Score 8.2 (HIGH)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Attack VectorNetwork
Attack ComplexityHigh
Attack RequirementsPresent
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 5.9)
CVSS v3.1 Base Metrics — Score 5.9 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • dromara free-fs >= 2.0.1 and <= 2.3.1
Patched Versions
  • dromara free-fs 2.3.1

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run dromara free-fs and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 13, 2026Published
  • Nov 13, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 13, 2026 19:14 UTC