{"id":"CVE-2026-9735","aliases":["BIT-mongodb-2026-9735","EUVD-2026-35856","GHSA-93h4-p6c6-58pw","UBUNTU-CVE-2026-9735"],"status":"published","title":"Keyfile contents are in MongoDB Server logs","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00119,"percentile":0.01763,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-532"],"published":"2026-06-09T22:40:55Z","modified":"2026-10-28T11:21:52Z","fixes":[{"ecosystem":"Bitnami","package":"mongodb","fixed_in":["8.3.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"8.3.0"},{"fixed":"8.3.3"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.4.6-0ubuntu5","1:2.4.6-0ubuntu6","1:2.4.8-1ubuntu1","1:2.4.8-2","1:2.4.9-1","1:2.4.9-1ubuntu1","1:2.4.9-1ubuntu2","1:2.4.9-1ubuntu2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:2.6.10-0ubuntu1","1:2.6.10-0ubuntu1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:3.4.7-1","1:3.4.7-1ubuntu1","1:3.4.7-1ubuntu2","1:3.4.7-1ubuntu4","1:3.4.14-3ubuntu1","1:3.4.14-3ubuntu2","1:3.6.3-0ubuntu1","1:3.6.3-0ubuntu1.1","1:3.6.3-0ubuntu1.3","1:3.6.3-0ubuntu1.4","1:3.6.3-0ubuntu1.4+esm1","1:3.6.3-0ubuntu1.4+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.2","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3","1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+esm1"]}],"products":[{"vendor":"mongodb","product":"mongodb"},{"vendor":"mongodb","product":"mongodb server"},{"vendor":"mongodb, inc.","product":"mongodb server"}],"references":[{"url":"https://jira.mongodb.org/browse/SERVER-126506","tags":["Vendor Advisory","advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9735","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-93h4-p6c6-58pw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9735.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-9735","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-9735","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-9735","title":"Keyfile contents are in MongoDB Server logs","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","status":"published","published":"2026-06-09T22:40:55.614Z","modified":"2026-06-10T18:29:02.225Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-35856","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","status":"published","published":"2026-06-09T22:40:55Z","modified":"2026-06-10T18:29:02Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:44.937217Z"}],"ghsa":[{"id":"GHSA-93h4-p6c6-58pw","title":"MongoDB server may log authentication parameters, including credentials, to the server log during...","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. 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When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","status":"published","published":"2026-06-09T22:40:55.614Z","modified":"2026-10-28T11:21:52.406626285Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T15:45:21.262447Z"},{"id":"UBUNTU-CVE-2026-9735","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","status":"published","published":"2026-06-09T23:17:00Z","modified":"2026-06-12T09:04:22.59096812Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:48.647391Z"},{"id":"BIT-mongodb-2026-9735","title":"Keyfile contents are in MongoDB Server logs","description":"MongoDB server may log authentication parameters, including credentials, to the server log during SASL authentication. When connection health metric logging is enabled, the full authentication parameters are written to the log without redaction.","status":"published","published":"2026-06-16T11:48:08.583Z","modified":"2026-09-08T08:48:14.644216872Z","updated_at":"2026-11-02T15:28:33.469426Z"}]}}