SSRF in Ollama
CVE-2026-5530
A flaw has been found in Ollama up to 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 laun…
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
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/E:X/RL:X/RC:R.
Affected products
- N/a Ollama — versions 18.0, 18.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-355283 | Ollama Model Pull API download.go server-side request forgery (vdb-entry)
- VDB-355283 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #782107 | Ollama 18.1 and previous Server-Side Request Forgery (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.