{"id":"CVE-2026-122006","details":"The activestorage gem before 8.1.4.1 for Ruby on Rails, when ImageMagick attachment processing occurs, can allow server read and write operations (e.g., reading secret_key_base) because the ImageMagick analyzer runs when a file is attached, and there is not an ImageMagick security policy to block unintended functionality.","aliases":["GHSA-f3w6-w445-fwh9"],"modified":"2026-11-05T10:46:06.178819381Z","published":"2026-11-04T14:12:17.584Z","database_specific":{"cna_assigner":"mitre","cwe_ids":["CWE-1188"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122006.json","unresolved_ranges":[{"extracted_events":[{"source":"AFFECTED_FIELD","strategy":"StandardRange","range":[{"fixed":"8.0.5.2"},{"introduced":"8.1"},{"fixed":"8.1.4.1"}]}]},{"extracted_events":[{"range":[{"fixed":"8.0.5.2"},{"introduced":"8.1"},{"fixed":"8.1.4.1"}],"source":"CPE_FIELD","strategy":"CPEApplicability"}]},{"extracted_events":[{"source":"DESCRIPTION","range":[{"fixed":"8.1.4.1"}]}]}]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122006.json"},{"type":"FIX","url":"https://github.com/digitalocean/droplet-1-clicks/pull/488"},{"type":"WEB","url":"https://github.com/rails/rails/releases/tag/v8.0.5.2"},{"type":"WEB","url":"https://github.com/rails/rails/releases/tag/v8.1.4.1"},{"type":"ADVISORY","url":"https://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9"},{"type":"FIX","url":"https://github.com/rubysec/ruby-advisory-db/pull/1300"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122006"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rails/rails","events":[{"introduced":"0"},{"fixed":"3f290b759c8e2ffe7c257951b1255740751355e4"},{"fixed":"235c597b100321b6bd2d62f8df63707f42b25b2d"}],"database_specific":{"extracted_events":[{"range":[{"fixed":"3f290b759c8e2ffe7c257951b1255740751355e4"}],"source":"REFERENCES_TAG","original_tag":"v8.1.4.1"},{"range":[{"fixed":"235c597b100321b6bd2d62f8df63707f42b25b2d"}],"source":"REFERENCES_TAG","original_tag":"v8.0.5.2"}]}}],"versions":["v8.0.5.1","v8.1.4","v8.0.5","v8.1.3","v8.0.4","v8.1.2","v8.1.1","v8.1.0","v8.1.0.rc1","v8.0.3","v8.1.0.beta1","v8.0.2","v8.0.1","v8.0.0","v8.0.0.rc2","v8.0.0.rc1","v8.0.0.beta1","v7.1.0.beta1","v7.0.0.alpha2","v7.0.0.alpha1","v6.1.0.rc1","v6.0.0.beta2","v6.0.0.beta1","v5.1.0.beta1","v5.0.0.beta4","v5.0.0.beta2","v5.0.0.beta1","v4.2.0.beta1","v4.0.0.rc1","v4.0.0.beta1","v3.2.0.rc1","v3.1.0.rc1","v3.1.0.beta1","v3.0.0.beta3","v3.0.0.beta.3","v2.0.1","v2.0.0","v2.0.0_RC2","v2.0.0_RC1","v2.0.0_PR","v1.1.1","v1.1.0","v1.1.0_RC1","v0.14.3","v0.14.1","v0.13.1","v0.13.0","v0.12.0","v0.11.1","v0.11.0","v0.10.1","v0.10.0","v0.9.5","v0.9.4.1","v0.9.4","v0.9.3","v0.9.2","v0.9.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-122006.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}