{"id":"CVE-2026-84962","aliases":["DEBIAN-CVE-2026-84962","EUVD-2026-70516","UBUNTU-CVE-2026-84962"],"status":"published","title":"Authenticated KMS request forgery via CRLF injection in GCP key identifier strings","description":"An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.","severity":{"version":"4.0","score":5.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00185,"percentile":0.08178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-93"],"published":"2026-09-03T15:03:52Z","modified":"2026-10-28T02:31:09Z","fixes":[{"ecosystem":"Debian:14","package":"libmongocrypt","fixed_in":["1.20.2-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.10.0-1","1.10.1-1","1.11.0-1","1.12.0-1","1.13.0-1","1.13.1-1","1.13.2-1","1.16.0-1","1.17.0-1","1.17.3-1","1.18.1-1","1.18.2-1","1.19.0-1","1.19.1-1","1.20.0-1","1.20.1-1","1.20.2-1","1.20.3-1","1.20.4-1","1.7.2-1","1.8.2-1","1.8.4-1","1.9.1-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.13.2-1+deb13u1","1.16.0-1","1.17.0-1","1.17.3-1","1.18.1-1","1.18.2-1","1.19.0-1","1.19.1-1","1.20.0-1","1.20.1-1","1.20.2-1","1.20.3-1","1.20.4-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.2-1"}]}],"versions":["1.13.2-1","1.16.0-1","1.17.0-1","1.17.3-1","1.18.1-1","1.18.2-1","1.19.0-1","1.19.1-1","1.20.0-1","1.20.1-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.1-1","1.2.2-1","1.3.0-1","1.3.0-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.2-1","1.8.2-1","1.8.4-1","1.8.4-1build2","1.8.4-1build3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libmongocrypt","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.2-1","1.17.0-1"]}],"products":[{"vendor":"mongodb","product":"libmongocrypt"}],"references":[{"url":"https://jira.mongodb.org/browse/MONGOCRYPT-960","tags":["Vendor Advisory","Permissions Required","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84962.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84962","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-84962","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-84962","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-84962","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-84962","title":"Authenticated KMS request forgery via CRLF injection in GCP key identifier strings","description":"An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.","status":"published","published":"2026-09-03T15:03:52.811Z","modified":"2026-09-03T15:34:35.133Z","cvss":[{"version":"4.0","score":5.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T14:20:08.391556Z"}],"euvd":[{"id":"EUVD-2026-70516","description":"An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side 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encryption.","status":"published","published":"2026-09-03T15:03:52.811Z","modified":"2026-10-28T02:31:09.649484358Z","cvss":[{"version":"4.0","score":5.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-93"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"DEBIAN-CVE-2026-84962","description":"An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.","status":"published","published":"2026-09-03T16:18:24.967Z","modified":"2026-10-01T03:03:43.960979211Z","cvss":[{"version":"4.0","score":5.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/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","level":"medium"}],"updated_at":"2026-11-02T15:46:05.022702Z"},{"id":"UBUNTU-CVE-2026-84962","description":"An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.","status":"published","published":"2026-09-03T16:18:00Z","modified":"2026-09-16T11:43:10Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":5.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"}]}}