{"id":"CVE-2026-31798","state":"PUBLISHED","title":"JumpServer Improper Certificate Validation in Custom SMS API Client","description":"JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v4.10.16-lts, JumpServer improperly validates certificates in the Custom SMS API Client. When JumpServer sends MFA/OTP codes via Custom SMS API, an attacker can intercept the request and capture the verification code BEFORE it reaches the user's phone. This vulnerability is fixed in v4.10.16-lts.","publishedAt":"2026-03-13T19:15:26.081Z","updatedAt":"2026-03-13T19:38:35.576Z","severity":{"score":5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["jumpserver jumpserver"],"affected":[{"vendor":"jumpserver","product":"jumpserver","versions":[{"version":"< 4.10.16-lts","status":"affected"}]}],"references":["https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31798.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31798","state":"PUBLISHED","datePublished":"2026-03-13T19:15:26.081Z","dateUpdated":"2026-03-13T19:38:35.576Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-09T16:33:42.912Z"},"containers":{"cna":{"title":"JumpServer Improper Certificate Validation in Custom SMS API Client","descriptions":[{"lang":"en","value":"JumpServer is an open source bastion host and an operation and maintenance security audit system. Prior to v4.10.16-lts, JumpServer improperly validates certificates in the Custom SMS API Client. When JumpServer sends MFA/OTP codes via Custom SMS API, an attacker can intercept the request and capture the verification code BEFORE it reaches the user's phone. This vulnerability is fixed in v4.10.16-lts."}],"affected":[{"vendor":"jumpserver","product":"jumpserver","versions":[{"version":"< 4.10.16-lts","status":"affected"}]}],"references":[{"url":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7","name":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","lang":"en","description":"CWE-295: Improper Certificate Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-13T19:15:26.081Z"},"source":{"advisory":"GHSA-26pj-mmxw-w3w7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-13T19:38:25.725504Z","id":"CVE-2026-31798","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-13T19:38:35.576Z"}}]}}}