CVE-2026-8387 — LOW (2.4) — White Hats Nepal

Vulnerability Description

A vulnerability in allegroai/clearml versions up to and including 1.16.5 allows for relative path traversal when extracting `.zip` archives using the `ZipFile.extractall()` method in `StorageManager._extract_to_cache()`. This issue arises due to the lack of path traversal validation, enabling an attacker to write arbitrary files to the filesystem. Attack vectors include dataset downloads, artifact downloads, model downloads, and offline session imports. The vulnerability can lead to remote code execution through methods such as cron job injection, SSH key overwrite, or web shell deployment. The issue is resolved in version 2.1.6.

CVSS Score

2.4

LOW

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-23

References

FAQ

What is CVE-2026-8387?

CVE-2026-8387 is a vulnerability with a CVSS score of 2.4 (LOW). A vulnerability in allegroai/clearml versions up to and including 1.16.5 allows for relative path traversal when extracting `.zip` archives using the `ZipFile.extractall()` method in `StorageManager._...

How severe is CVE-2026-8387?

CVE-2026-8387 has been rated LOW with a CVSS base score of 2.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8387?

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