01 Record
CVE-2026-15685
Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability
HighPUBLISHEDCNA: zdi
CNA base score7.5 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.2% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-14.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-13 21:30Z3 MO AGO
- Last updated
- 2026-07-14 13:05Z3 MO AGO
- Reserved
- 2026-07-13
- Assigning CNA
- zdi
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- a238067bc4577249f083eae519cc03322a2132d3337994009640de914b083fb2
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.zerodayinitiative.comZDI-26-403https://www.zerodayinitiative.com/advisories/ZDI-26-403/