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Vulnerability Detail

CVE-2026-91771 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
High
Score / CVSS
8.8
Creation Date
4h ago
Vendor
wandb
Product
wandb
Attack Type
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Complexity
LOW

Narrative and Response

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.

Executive Summary

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Technical Details

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Mitigations

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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References

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Additional Metadata

{
  "score": "8.8",
  "pubDate": "2026-09-15T02:16:49.680Z",
  "pubdate": "2026-09-15T02:16:49.680Z"
}
CVE-2026-91771: CVE-2026-91771 Vulnerability (HIGH Severity, CVSS: 8.8) | Sceawere