What is CVE-2026-65920?

CVE-2026-65920 is a medium-severity vulnerability in Huggingface Diffusers, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-07-23.

How severe is CVE-2026-65920?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Huggingface Diffusers

CVE-2026-65920

Diffusers through 0.39.0, fixed in commit cee298c, contains a path traversal vulnerability in the _get_checkpoint_shard_files function that allows attackers to read arbitrary files by supplying malicious weight_map values in model index JS…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Huggingface Diffusers — versions 0, cee298c1f37c439a9a408396b8283a921238a1c6

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-65920?: CVE-2026-65920 is a medium-severity vulnerability in Huggingface Diffusers, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-07-23.
How severe is CVE-2026-65920?: Medium severity. CVSS v3 base score is 4.3 out of 10.