MediumVulnerability

CVE-2026-108597: Cohere Python SDK path traversal in model archive extraction

Source: NVD(opens in a new tab)
Identifier: CVE-2026-108597
Published: October 10, 2026
Record updated: October 10, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.

Summary

Cohere Python SDK versions 5.11.0 through 7.2.0 contain a path traversal (tar slip) flaw in _s3_models_dir_to_tarfile. Its unvalidated tarfile.extractall calls allow arbitrary file writes. An attacker who can write model archives to the victim's S3 prefix can include absolute paths or ../ members to overwrite files on the SDK host.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 4.8(medium)
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
Attack vector: network
Attack complexity: high
Privileges required: low
User interaction: required
EPSS: Not scored. FIRST had not published an EPSS score for this CVE when it was last checked on October 10, 2026.
Disclosure date: October 10, 2026

Weaknesses and techniques

Weakness (CWE): CWE-22
Attack pattern (CAPEC): CAPEC-126
AI threat technique (MITRE ATLAS): AML.T0010

Affected

Vendors: Cohere

Classification

Attack type: Supply chain,
Other
Attack sophistication: Moderate
AI component targeted: API
Impact: Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-108597

First tracked: October 10, 2026 at 08:09 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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