{"id":"CVE-2023-48307","summary":"Nextcloud Mail app vulnerable to Server-Side Request Forgery","details":"Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versions 2.2.8 and 3.3.0 contain a patch for this issue. As a workaround, disable the mail app.","aliases":["GHSA-4pp4-m8ph-2999"],"modified":"2026-08-12T03:51:48.046896642Z","published":"2023-11-21T22:22:56.780Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48307.json"},"references":[{"type":"WEB","url":"https://hackerone.com/reports/1869714"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/48xxx/CVE-2023-48307.json"},{"type":"ADVISORY","url":"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4pp4-m8ph-2999"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48307"},{"type":"FIX","url":"https://github.com/nextcloud/mail/pull/8709"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nextcloud/mail","events":[{"introduced":"b303777415ae004ac6fb1508897fea290eafb9c7"},{"fixed":"806f64a349f75b1ecd7871ea7aea4a11ed815774"},{"introduced":"b01f5a6d057a346683005627f0a0dd1f80bbc811"},{"fixed":"5d492d2eb8cbd42c5324ba04aea7a05d414e69dd"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.13.0"},{"fixed":"2.2.8"},{"introduced":"3.0.0"},{"fixed":"3.3.0"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-48307.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L"}]}