Medium severity4.8NVD Advisory· Published Oct 10, 2026
CVE-2026-108597
CVE-2026-108597
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.
Affected products
1- Range: 5.11.0 - 7.2.0
Patches
Vulnerability mechanics
References
3- github.com/cohere-ai/cohere-python/blob/0eacfe77e1710322b355928574cfec18f6791c42/src/cohere/manually_maintained/cohere_aws/client.pynvd
- hackmd.io/@haind/cohere-python-sagemaker-s3-archive-path-traversalnvd
- www.vulncheck.com/advisories/cohere-python-sdk-5.11.0-through-7.2.0-path-traversal-via-sagemaker-tar-extractionnvd
News mentions
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