TI-2026-61905 Aliases CVE-2026-91144 GHSA-rq8c-9999-42w5

ZFile through 5.0.5 Share Entry Filter Bypass via Download Endpoint

MEDIUM 44CWE-639Published 2026-09-14 · Updated 2026-09-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

ZFile through 5.0.5 fails to validate requested file paths against a share link's allowed entries on the download endpoint. Attackers holding a share link can supply arbitrary file paths as query parameters to download any file under the shared base directory, bypassing the intended access restrictions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00506 43rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
zfile-dev	zfile	up to 5.0.5	—	No fix listed	CNA

zfile Vendorzfile-dev Affected up to 5.0.5 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-91144
2026-10-03 Alias added: GHSA-rq8c-9999-42w5

References

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences