{"cve":"CVE-2025-63389","nvd":{"published":"2025-12-18T16:15:54.760","modified":"2026-10-13T11:10:00.203","status":"Modified","description":"A critical authentication bypass vulnerability exists in Ollama platform's API endpoints in versions prior to and including v0.12.3. The platform exposes multiple API endpoints without requiring authentication, enabling remote attackers to perform unauthorized model management operations.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-306"],"references":["https://gist.github.com/Cristliu/48dae561696374744d9fced07a544ecd","https://gist.github.com/Cristliu/b6f4d070fb27932f581be1aadc0923e7","https://github.com/ollama/ollama/issues"],"products":["ollama:ollama"],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2025-63389","score":0.00708,"percentile":0.53172,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-f6mr-38g8-39rg","url":"https://osv.dev/vulnerability/GHSA-f6mr-38g8-39rg","summary":"Ollama Platform has missing authentication enabling attackers to perform model management operations","modified":"2026-09-10T03:50:31.959539918Z","packages":[{"ecosystem":"Go","name":"github.com/ollama/ollama","purl":"pkg:golang/github.com/ollama/ollama","ranges":["<=0.13.5"],"fixed":[]}]},{"id":"GO-2025-4251","url":"https://osv.dev/vulnerability/GO-2025-4251","summary":"Ollama has missing authentication enabling attackers to perform model management operations in github.com/ollama/ollama","modified":"2026-08-07T08:12:00.683324652Z","packages":[{"ecosystem":"Go","name":"github.com/ollama/ollama","purl":"pkg:golang/github.com/ollama/ollama","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}