SSRF in Ollama
CVE-2026-5530
A flaw has been found in Ollama up to 0.18.1. This issue affects some unknown processing of the file server/download.go of the component Model Pull API. Executing a manipulation can lead to server-side request forgery. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (26.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001
Affected products
- Ollama — versions 0.18.0, 0.18.1, 18.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/355283 (vdb-entry)
- vuldb.com/vuln/355283/cti (signature, permissions-required)
- vuldb.com/submit/782107 (third-party-advisory)
- vuldb.com/cve/CVE-2026-5530 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-5530?
- CVE-2026-5530 is a medium-severity vulnerability in Ollama, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-04-05.
- How severe is CVE-2026-5530?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2026-5530 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.