What is CVE-2026-15685?

CVE-2026-15685 is a high-severity vulnerability in Ollama, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2026-07-13.

How severe is CVE-2026-15685?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Ollama

CVE-2026-15685

Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Ollama. Authentication is not required…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ollama — versions 0.7.1

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

zdi-disclosures@trendmicro.com (x_research-advisory)

Frequently asked questions

What is CVE-2026-15685?: CVE-2026-15685 is a high-severity vulnerability in Ollama, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2026-07-13.
How severe is CVE-2026-15685?: High severity. CVSS v3 base score is 7.5 out of 10.