{"id":"CVE-2026-108597","aliases":["EUVD-2026-96395","GHSA-rg44-2cq2-qx25"],"status":"published","title":"Cohere Python SDK 5.11.0 through 7.2.0 Path Traversal via SageMaker Tar Extraction","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.","severity":{"version":"4.0","score":5.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00289,"percentile":0.2169,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-10T18:58:14Z","modified":"2026-10-28T02:30:59Z","products":[{"vendor":"cohere-ai","product":"cohere-python"}],"references":[{"url":"https://hackmd.io/@haind/cohere-python-sagemaker-s3-archive-path-traversal","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/cohere-ai/cohere-python/blob/0eacfe77e1710322b355928574cfec18f6791c42/src/cohere/manually_maintained/cohere_aws/client.py#L101-L123","tags":["technical-description","article"]},{"url":"https://github.com/cohere-ai/cohere-python","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/cohere-python-sdk-5.11.0-through-7.2.0-path-traversal-via-sagemaker-tar-extraction","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108597","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rg44-2cq2-qx25"},{"url":"https://pypi.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108597.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-108597","title":"Cohere Python SDK 5.11.0 through 7.2.0 Path Traversal via SageMaker Tar Extraction","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.","status":"published","published":"2026-10-10T18:58:14.132Z","modified":"2026-10-14T02:26:27.391Z","cvss":[{"version":"4.0","score":5.9,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:10.510075Z"}],"euvd":[{"id":"EUVD-2026-96395","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.","status":"published","published":"2026-10-10T18:58:14Z","modified":"2026-10-14T02:26:27Z","cvss":[{"version":"4.0","score":5.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T17:27:17.902641Z"}],"ghsa":[{"id":"GHSA-rg44-2cq2-qx25","title":"Cohere Python SDK 5.11.0 through 7.2.0 contains a path traversal (tar slip) vulnerability in...","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.","status":"published","published":"2026-10-10T21:31:15Z","modified":"2026-10-10T21:31:20Z","cvss":[{"version":"4.0","score":5.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:13:03.178276Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-10-10T19:16:58.21Z","modified":"2026-10-16T17:25:57.94Z","cvss":[{"version":"4.0","score":5.9,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:55.874869Z"}],"osv":[{"id":"CVE-2026-108597","title":"Cohere Python SDK 5.11.0 through 7.2.0 Path Traversal via SageMaker Tar Extraction","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.","status":"published","published":"2026-10-10T18:58:14.132Z","modified":"2026-10-28T02:30:59.693902429Z","cvss":[{"version":"4.0","score":5.9,"vector":"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","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:54.933106Z"}]}}