CVE-2026-108597
Cohere Python SDK 5.11.0 through 7.2.0 Path Traversal via SageMaker Tar Extraction
- State
- Published
- Severity
- 5.9 Medium
- Published
- Oct 10, 2026
- Updated
- Oct 14, 2026
- Reserved
- Oct 10, 2026
Description
Cohere Python SDK 5.11.0 through 7.2.0 contains a path traversal (tar slip) vulnerability in _s3_models_dir_to_tarfile that allows arbitrary file write via unvalidated tarfile.extractall calls. Attackers who can write model archives to the victim's S3 prefix can include absolute paths or ../ members to overwrite files on the SDK host.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.9 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
cohere-pythoncohere-ai |
|
References
- https://hackmd.io/@haind/cohere-python-sagemaker-s3-archive-path-traversalthird-party-advisory
- https://github.com/cohere-ai/cohere-python/blob/0eacfe77e1710322b355928574cfec18f6791c42/src/cohere/manually_maintained/cohere_aws/client.py#L101-L123technical-description
- https://github.com/cohere-ai/cohere-pythonproduct
- VulnCheck Advisory: Cohere Python SDK 5.11.0 through 7.2.0 Path Traversal via SageMaker Tar Extractionthird-party-advisory
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