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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-91771

Weights & Biases wandb before 0.29.0 Path Traversal via File Download

Description

Weights & Biases wandb before 0.29.0 fails to validate the file name from server responses in the File.download function, allowing path traversal attacks. Attackers controlling the backend can supply file names with directory traversal sequences to write files outside the intended download directory, potentially enabling code execution through modification of shell startup files or Python import paths.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

wandb wandb

Default version status: unaffected

  • 0 to < 0.29.0affected
pkg:pypi/wandb

References