{"id":"CVE-2025-2596","aliases":["EUVD-2025-8123","GHSA-f4hc-mpg9-vm8w","UBUNTU-CVE-2025-2596"],"status":"published","title":"Session logout can be overwritten by long lasting request","description":"Session logout could be overwritten in Checkmk GmbH's Checkmk versions \u003c2.3.0p30, \u003c2.2.0p41, and 2.1.0p49 (EOL)","severity":{"version":"4.0","score":2.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00211,"percentile":0.11392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-613"],"published":"2025-03-26T10:51:16Z","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/17808","tags":["Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-2596","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f4hc-mpg9-vm8w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/2xxx/CVE-2025-2596.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-2596","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-2596","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-2596","title":"Session logout can be overwritten by long lasting request","description":"Session logout could be overwritten in Checkmk GmbH's Checkmk versions \u003c2.3.0p30, \u003c2.2.0p41, and 2.1.0p49 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