CVE-2026-65920 - Diffusers Path Traversal via weight_map Arbitrary File Read
CVE ID :CVE-2026-65920
Published : July 23, 2026, 6:17 p.m. | 33 minutes ago
Description :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 JSON. Attackers can use ../ sequences or absolute paths in weight_map entries to escape the model directory and read safetensors files outside the intended location during model loading.
Severity: 5.3 | MEDIUM
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Published : July 23, 2026, 6:17 p.m. | 33 minutes ago
Description :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 JSON. Attackers can use ../ sequences or absolute paths in weight_map entries to escape the model directory and read safetensors files outside the intended location during model loading.
Severity: 5.3 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...