VULNERABILITY INTELLIGENCE

CVE-2026-31798

CVSS score5 MEDIUM
EPSS probability0.10%
CISA KEVNot currently listed
Published2026-03-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

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.

Weakness classification

  • security-advisories@github.com: CWE-295

Primary references