Unrated severityNVD Advisory· Published Mar 13, 2026· Updated Mar 13, 2026
JumpServer Improper Certificate Validation in Custom SMS API Client
CVE-2026-31798
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.
Affected products
1- Range: < 4.10.16-lts
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7mitrex_refsource_CONFIRM
News mentions
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