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Vulnerability Details :

CVE-2026-31798

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-13 Mar, 2026 | 19:15
Updated At-13 Mar, 2026 | 19:38
Rejected At-
Credits

JumpServer Improper Certificate Validation in Custom SMS API Client

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:13 Mar, 2026 | 19:15
Updated At:13 Mar, 2026 | 19:38
Rejected At:
▼CVE Numbering Authority (CNA)
JumpServer Improper Certificate Validation in Custom SMS API Client

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
Vendor
JumpServer (FIT2CLOUD Inc.)jumpserver
Product
jumpserver
Versions
Affected
  • < 4.10.16-lts
Problem Types
TypeCWE IDDescription
CWECWE-295CWE-295: Improper Certificate Validation
Type: CWE
CWE ID: CWE-295
Description: CWE-295: Improper Certificate Validation
Metrics
VersionBase scoreBase severityVector
3.15.0MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7
x_refsource_CONFIRM
Hyperlink: https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:13 Mar, 2026 | 19:54
Updated At:18 Mar, 2026 | 13:07

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.0MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Type: Secondary
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
CPE Matches
FIT2CLOUD Inc.
fit2cloud
>>jumpserver>>Versions before 4.10.16(exclusive)
cpe:2.3:a:fit2cloud:jumpserver:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-295Primarysecurity-advisories@github.com
CWE ID: CWE-295
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7security-advisories@github.com
Vendor Advisory
Hyperlink: https://github.com/jumpserver/jumpserver/security/advisories/GHSA-26pj-mmxw-w3w7
Source: security-advisories@github.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Details not found