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.

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History

Wed, 18 Mar 2026 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Fit2cloud
Fit2cloud jumpserver
CPEs cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
Vendors & Products Fit2cloud
Fit2cloud jumpserver

Mon, 16 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Jumpserver
Jumpserver jumpserver
Vendors & Products Jumpserver
Jumpserver jumpserver

Fri, 13 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 13 Mar 2026 19:30:00 +0000

Type Values Removed Values Added
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.
Title JumpServer Improper Certificate Validation in Custom SMS API Client
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-13T19:38:35.576Z

Reserved: 2026-03-09T16:33:42.912Z

Link: CVE-2026-31798

cve-icon Vulnrichment

Updated: 2026-03-13T19:38:30.576Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-13T19:54:36.097

Modified: 2026-03-18T13:07:58.583

Link: CVE-2026-31798

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-16T09:24:21Z

Weaknesses