{"id":"CVE-2026-31798","summary":"JumpServer Improper Certificate Validation in Custom SMS API Client","details":"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.","aliases":["GHSA-26pj-mmxw-w3w7"],"modified":"2026-07-15T01:49:04.102216889Z","published":"2026-03-13T19:15:26.081Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-295"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31798.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31798.json"},{"type":"ADVISORY","url":"https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31798"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jumpserver/jumpserver","events":[{"introduced":"0"},{"fixed":"ded38791c2c5513a388ea0ba0a62858b4f5bd118"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"4.10.16-lts"},{"fixed":"4.10.16"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*"}}],"versions":["v4.10.15","v4.10.14","v4.10.13","v4.10.10","v4.10.9","v4.10.8","v4.10.4","v4.10.2","v4.9.0","v4.7.0","v4.6.0","v2.27.0","v2.26.0","v2.25.0","v2.24.0","v2.23.0","v2.22.0","v2.21.0","v2.20.0","v2.19.0","v2.18.1","v2.18.0","v2.17.0","v2.15.1","v2.15.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.0","v2.8.0","v2.7.0","v2.6.0","v2.5.0","v2.4.0","v2.3.1","v2.3.0","v2.2.1","v2.2.0","v2.1.0","1.5.9","1.5.8","1.5.7","1.5.6","1.5.5","1.5.4","1.5.3","1.5.2","1.5.1","1.5.0","v1.4.10","1.4.10","1.4.9","1.4.8","1.4.7","v1.4.7","1.4.6","1.4.5","1.4.4","v1.4.4","1.4.3","1.4.2","1.4.1","1.4.0","1.3.3","1.3.2","1.3.1","1.3.0","1.2.1","1.2.0","1.1.1","1.1.0","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31798.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L"}]}