{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"diced/zipline","product":"zipline","source":"CNA: VulnCheck","vendor":"diced","versions":[{"lessThan":"4.8.0","status":"affected","version":"4.6.2","versionType":"semver"}]}],"cveId":"CVE-2026-126932","cwes":["CWE-434"],"description":"Zipline 4.6.2 before 4.8.0 contains a policy bypass vulnerability that allows authenticated users to evade administrator-disabled MIME types by editing file metadata. Attackers can upload a permitted file, then set a disabled type such as text/html through PATCH /api/user/files/:id so /raw/:id serves that Content-Type.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":4.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},{"score":5.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":4.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1794439042943,"publishedAt":1794437598142,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/diced/zipline/security/advisories/GHSA-rgxm-54cf-whf7"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/diced/zipline/commit/fc8e886ca841b86a3f677cd7dac1bf9a5bd45b2c"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/diced/zipline/releases/tag/v4.8.0"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/diced/zipline/blob/v4.7.0/src/server/routes/api/user/files/%5Bid%5D/index.ts#L96"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/zipline-4.6.2-before-4.8.0-disabled-mime-type-policy-bypass-via-file-metadata-update"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/blob/v4.7.0/src/server/routes/api/user/files/%5Bid%5D/index.ts#L96"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/commit/fc8e886ca841b86a3f677cd7dac1bf9a5bd45b2c"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/releases/tag/v4.8.0"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/diced/zipline/security/advisories/GHSA-rgxm-54cf-whf7"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/zipline-4.6.2-before-4.8.0-disabled-mime-type-policy-bypass-via-file-metadata-update"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/diced/zipline/commit/fc8e886ca841b86a3f677cd7dac1bf9a5bd45b2c"}],"revision":"46a551119a9c7e430e3639910f0ba6884fbaf4a7f2e6a3204819afa60fa42d3d","sources":[{"modifiedAt":1794437598142,"name":"CNA: VulnCheck","retrievedAt":1794438602310,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126932"},{"modifiedAt":1794439042943,"name":"NVD","retrievedAt":1794443599545,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126932"}],"ssvc":null,"status":"published","title":"Zipline 4.6.2 before 4.8.0 Disabled MIME Type Policy Bypass via File Metadata Update","updatedAt":1794443599545}