cvedb.io
CVE-2026-31798
MEDIUM · CVSS 5
EPSS exploitation probability: 0%
Published 2026-03-13T19:54:36.097 · Last modified 2026-06-17T10:34:29.043

Summary

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

fit2cloud — jumpserver

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.