Path Traversal in Cohere-Ai Cohere-Python
CVE-2026-108597
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@haind/cohere-python-sagemaker-s3-archive-path-traversal (third-party-advisory)
- github.com/cohere-ai/cohere-python/blob/0eacfe77e1710322b355928574cfec18f6791c4… (technical-description)
- github.com/cohere-ai/cohere-python (product)
- www.vulncheck.com/advisories/cohere-python-sdk-5.11.0-through-7.2.0-path-traver… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108597?
- CVE-2026-108597 is a medium-severity vulnerability in Cohere-Ai Cohere-Python, classified under Path Traversal. CVSS score: 4.8/10. Published 2026-10-10.
- How severe is CVE-2026-108597?
- Medium severity. CVSS v3 base score is 4.8 out of 10.