{"id":"CVE-2026-3103","aliases":["EUVD-2026-9403","GHSA-g94r-mvhr-pc74","UBUNTU-CVE-2026-3103"],"status":"published","title":"Deletion of passwords via RestApi","description":"A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions \u003c2.4.0p23, \u003c2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00197,"percentile":0.0949,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-03-04T13:15:41Z","modified":"2026-10-28T02:31:10Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.6p5-1","1.2.6p12-1","1.2.6p12-1ubuntu0.16.04.1","1.2.6p12-1ubuntu0.16.04.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8p16-1ubuntu0.1","1.2.8p16-1ubuntu0.2"]}],"products":[{"vendor":"checkmk","product":"checkmk"},{"vendor":"checkmk gmbh","product":"checkmk"}],"references":[{"url":"https://checkmk.com/werk/19041","tags":["Mitigation","Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3103","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-g94r-mvhr-pc74"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3103.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-3103","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3103","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-3103","title":"Deletion of passwords via RestApi","description":"A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions \u003c2.4.0p23, \u003c2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data 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loss.","status":"published","published":"2026-03-04T13:15:41.086Z","modified":"2026-10-28T02:31:10.397946824Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:00.861953Z"},{"id":"UBUNTU-CVE-2026-3103","description":"A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions \u003c2.4.0p23, \u003c2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.","status":"published","published":"2026-03-04T14:16:00Z","modified":"2026-03-14T09:20:54.450983Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T16:56:11.640778Z"}]}}