{"id":"CVE-2026-55083","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-55083","generatedAt":"2026-10-28T01:04:30.575Z","title":"From versions 2.42.0 to before 2.42.5.1, and from versions 2.43.0 to before 2.43.0.1, DHIS2 is vulnerable to remote code execution (RCE) via unsafe Java deserialization.","description":"DHIS2 is a flexible information system for data capture, management, validation, analytics and visualization. From versions 2.42.0 to before 2.42.5.1, and from versions 2.43.0 to before 2.43.0.1, DHIS2 is vulnerable to remote code execution (RCE) via unsafe Java deserialization. This issue has been patched in versions 2.42.5.1, 2.43.0.1, and 2.44.","published":"2026-10-01T19:17:21.000Z","lastModified":"2026-10-02T18:53:47.000Z","status":"Awaiting Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":[],"epss":{"score":0.00574,"percentile":0.47129,"date":"2026-10-26","history":[{"date":"2026-10-02","score":0.00574,"percentile":0.45415}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-01T19:17:21.000Z","detail":{"score":"9.1","severity":"CRITICAL","publishedAt":"2026-10-01T19:17:21.330Z"},"summary":"New CVE, critical severity (CVSS 9.1)."}],"references":[{"url":"https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1","source":"security-advisories@github.com"},{"url":"https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1","source":"security-advisories@github.com"},{"url":"https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55083","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}