{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31798", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-09T16:33:42.912Z", "datePublished": "2026-03-13T19:15:26.081Z", "dateUpdated": "2026-03-13T19:38:35.576Z"}, "containers": {"cna": {"title": "JumpServer Improper Certificate Validation in Custom SMS API Client", "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "lang": "en", "description": "CWE-295: Improper Certificate Validation", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7"}], "affected": [{"vendor": "jumpserver", "product": "jumpserver", "versions": [{"version": "< 4.10.16-lts", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-13T19:15:26.081Z"}, "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."}], "source": {"advisory": "GHSA-26pj-mmxw-w3w7", "discovery": "UNKNOWN"}}, "adp": [{"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"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-13T19:38:35.576Z"}}]}}

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