CVE-2026-110232: Fossify File Manager through 1.6.2 Zip Slip Path Traversal via DecompressActivity

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-17
Weakness: CWE-22

Description

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 products

Fossify File Manager: through 1.6.2

References

https://github.com/FossifyOrg/File-Manager/blob/82b3c98c9a7b90d8af2c2ff0c39c87f5917e1b08/app/src/main/kotlin/org/fossify/filemanager/activities/DecompressActivity.kt#L161-L189
https://github.com/FossifyOrg/File-Manager/releases/tag/1.6.2
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/Hk2woGjsze
https://www.vulncheck.com/advisories/fossify-file-manager-through-1.6.2-zip-slip-path-traversal-via-decompressactivity

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