{"id":"CVE-2026-5757","aliases":["EUVD-2026-39786","GHSA-c839-jg98-xwx3"],"status":"published","title":"There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00735,"percentile":0.5476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-06-26T15:15:28Z","modified":"2026-10-28T02:30:22Z","products":[{"vendor":"ollama","product":"ollama"},{"vendor":"ollama ai","product":"ollama"}],"references":[{"url":"https://kb.cert.org/vuls/id/518910","tags":["Third Party Advisory","VDB Entry","web"]},{"url":"https://ollama.com","tags":["Product","web"]},{"url":"https://www.kb.cert.org/vuls/id/518910","tags":["Third Party Advisory","VDB Entry","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5757","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c839-jg98-xwx3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5757.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-5757","title":"There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","status":"published","published":"2026-06-26T15:15:28.464Z","modified":"2026-06-26T18:38:23.503Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T13:39:39.001586Z"}],"euvd":[{"id":"EUVD-2026-39786","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","status":"published","published":"2026-06-26T15:15:28Z","modified":"2026-06-26T18:38:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:24.118614Z"}],"ghsa":[{"id":"GHSA-c839-jg98-xwx3","title":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine...","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","status":"published","published":"2026-06-26T18:33:59Z","modified":"2026-06-29T15:32:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:09:03.268343Z"}],"nvd":[{"id":"CVE-2026-5757","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","status":"published","published":"2026-06-26T16:16:36.917Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:26.045561Z"}],"osv":[{"id":"CVE-2026-5757","title":"There exists an unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine","description":"Unauthenticated remote information disclosure vulnerability in Ollama's model quantization engine allows an attacker to read and exfiltrate the server's heap memory, potentially leading to sensitive data exposure, further compromise, and stealthy persistence.","status":"published","published":"2026-06-26T15:15:28.464Z","modified":"2026-10-28T02:30:22.637107962Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:12.016252Z"}]}}