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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4b4829a2571979ed3d447f13b7dc1fb53467d863dc10f12cfc1d7586bc25be97
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/3/cvssV2_0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*"],"modules":["Model Pull API"],"product":"Ollama","vendor":"n/a","versions":[{"status":"affected","version":"0.18.0"},{"status":"affected","version":"0.18.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"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","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"Server-Side Request Forgery","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"CVE-2026-5530 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-5530"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/references/2
{"name":"Submit #782107 | Ollama 18.1 and previous Server-Side Request Forgery","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/782107"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/references/3
{"name":"VDB-355283 | Ollama Model Pull API download.go server-side request forgery","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/355283"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/references/0
{"name":"VDB-355283 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/355283/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:903a476846b26edd1b781377dea3341a517aa2542b1feee554e8f0a1bb84a99f · sha256:9fce726204c7ab27… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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