CVE-2026-5027 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path traversal sequences ('../').

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-22

References

https://www.tenable.com/security/research/tra-2026-26

FAQ

What is CVE-2026-5027?

CVE-2026-5027 is a vulnerability with a CVSS score of 8.8 (HIGH). The 'POST /api/v2/files' endpoint does not sanitize the 'filename' parameter from the multipart form data, allowing an attacker to write files to arbitrary locations on the filesystem using path trave...

How severe is CVE-2026-5027?

CVE-2026-5027 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5027?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.