{"id":"CVE-2026-55083","state":"PUBLISHED","title":"DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)","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.","publishedAt":"2026-10-01T18:00:05.332Z","updatedAt":"2026-10-01T18:30:36.526Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["dhis2 dhis2-core"],"affected":[{"vendor":"dhis2","product":"dhis2-core","versions":[{"version":">= 2.42.0, < 2.42.5.1","status":"affected"},{"version":">= 2.43.0, < 2.43.0.1","status":"affected"}]}],"references":["https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5","https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1","https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55083.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55083","state":"PUBLISHED","datePublished":"2026-10-01T18:00:05.332Z","dateUpdated":"2026-10-01T18:30:36.526Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-16T14:33:35.711Z"},"containers":{"cna":{"title":"DHIS2: Unsafe Java Deserialization - Remote Code Execution (RCE)","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"dhis2","product":"dhis2-core","versions":[{"version":">= 2.42.0, < 2.42.5.1","status":"affected"},{"version":">= 2.43.0, < 2.43.0.1","status":"affected"}]}],"references":[{"url":"https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5","name":"https://github.com/dhis2/dhis2-core/security/advisories/GHSA-3fr2-wvqx-cmr5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1","name":"https://github.com/dhis2/dhis2-core/releases/tag/2.42.5.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1","name":"https://github.com/dhis2/dhis2-core/releases/tag/2.43.0.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502: Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-01T18:00:05.332Z"},"source":{"advisory":"GHSA-3fr2-wvqx-cmr5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T18:30:31.099135Z","id":"CVE-2026-55083","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T18:30:36.526Z"}}]}}}