Fossify File Manager vulnerability

Fossify File Manager through 1.6.2 contains a path traversal vulnerability that allows crafted ZIP archives to write files outside the extraction folder by bypassing an unanchored startsWith check. Attackers can supply archive entries like ../<name>_x/file to create or overwrite files in sibling folders when a user extracts the archive.

Published 13 Oct 2026Updated 17 Oct 20264 sources
CVSS 4.6

What happened

Fossify File Manager through 1.6.2 contains a path traversal vulnerability that allows crafted ZIP archives to write files outside the extraction folder by bypassing an unanchored startsWith check. Attackers can supply archive entries like ../<name>_x/file to create or overwrite files in sibling folders when a user extracts the archive.

Affected versions

Fossify File Manager: 0 through 1.6.2 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.