{"id":"CVE-2022-0432","aliases":["BIT-mastodon-2022-0432","EUVD-2022-15573","GHSA-fqq9-f3pw-4cff"],"status":"published","title":"Prototype Pollution in mastodon/mastodon","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.04429,"percentile":0.91441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2022-02-02T20:11:08Z","modified":"2026-10-28T02:30:42Z","exploits":[{"source":"nuclei","id":"CVE-2022-0432","title":"Mastodon Prototype Pollution Vulnerability","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-0432.yaml"}],"fixes":[{"ecosystem":"Bitnami","package":"mastodon","fixed_in":["3.5.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mastodon","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.5.0"}]}]}],"products":[{"vendor":"joinmastodon","product":"mastodon"},{"vendor":"mastodon","product":"mastodon/mastodon"}],"references":[{"url":"https://huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","advisory","web"]},{"url":"https://github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0432","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-fqq9-f3pw-4cff"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0432.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-0432","title":"Prototype Pollution in mastodon/mastodon","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2022-02-02T20:11:08Z","modified":"2024-08-02T23:25:40.426Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:34:41.69911Z"}],"euvd":[{"id":"EUVD-2022-15573","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2022-02-02T20:11:08Z","modified":"2024-08-02T23:25:40Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T03:26:04.946671Z"}],"ghsa":[{"id":"GHSA-fqq9-f3pw-4cff","title":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2022-02-03T00:00:16Z","modified":"2023-02-03T05:05:36Z","cwes":["CWE-1321"],"updated_at":"2026-11-02T14:53:46.38105Z"}],"nvd":[{"id":"CVE-2022-0432","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2022-02-02T22:15:07.503Z","modified":"2026-06-17T04:20:35.443Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:07:11.52734Z"}],"osv":[{"id":"CVE-2022-0432","title":"Prototype Pollution in mastodon/mastodon","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2022-02-02T20:11:08Z","modified":"2026-10-28T02:30:42.366252971Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:44:22.824781Z"},{"id":"BIT-mastodon-2022-0432","title":"Prototype Pollution in mastodon/mastodon","description":"Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.","status":"published","published":"2024-03-06T10:57:55.881Z","modified":"2026-09-10T16:01:23.306074335Z","updated_at":"2026-11-02T15:28:32.645004Z"}]}}