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Vulnerability Details :

CVE-2026-5794

Assigner Org ID-9d5917ae-205d-4ae5-8749-1f49479b1395

Published At-28 Apr, 2026 | 17:09

Updated At-29 Apr, 2026 | 14:06

Vulnerability in Cryptobox allows an authenticated user to trigger an account lockout

A vulnerability affecting the detailed versions of Cryptobox allows a legitimate user to prevent another to login by triggering an account lockout via sending a specially crafted request.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:THA-PSIRT

Assigner Org ID:9d5917ae-205d-4ae5-8749-1f49479b1395

Published At:28 Apr, 2026 | 17:09

Updated At:29 Apr, 2026 | 14:06

▼CVE Numbering Authority (CNA)

Vulnerability in Cryptobox allows an authenticated user to trigger an account lockout

A vulnerability affecting the detailed versions of Cryptobox allows a legitimate user to prevent another to login by triggering an account lockout via sending a specially crafted request.

Affected Products

Vendor

Ercom

Product

Cryptobox

Modules

Cryptobox server

Default Status

affected

Versions

Unaffected

4.40.175
From 4.37.237 before 4.38.0 (semver)

Problem Types

Type	CWE ID	Description
CWE	CWE-694	CWE-694 Use of multiple resources with duplicate identifier

Type: CWE

CWE ID: CWE-694

Description: CWE-694 Use of multiple resources with duplicate identifier

Metrics

Version	Base score	Base severity	Vector
4.0	4.9	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Version: 4.0

Base score: 4.9

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Impacts

CAPEC ID	Description
CAPEC-2	CAPEC-2 Inducing Account Lockout

CAPEC ID: CAPEC-2

Description: CAPEC-2 Inducing Account Lockout

References

Hyperlink	Resource
https://info.cryptobox.com/doc/v4.40/4.40.en/	release-notes

Hyperlink: https://info.cryptobox.com/doc/v4.40/4.40.en/

Resource:

release-notes

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:psirt@thalesgroup.com

Published At:28 Apr, 2026 | 19:37

Updated At:28 Apr, 2026 | 20:10

A vulnerability affecting the detailed versions of Cryptobox allows a legitimate user to prevent another to login by triggering an account lockout via sending a specially crafted request.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	4.9	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 4.0

Base score: 4.9

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE ID	Type	Source
CWE-694	Secondary	psirt@thalesgroup.com

CWE ID: CWE-694

Type: Secondary

Source: psirt@thalesgroup.com

References

Hyperlink	Source	Resource
https://info.cryptobox.com/doc/v4.40/4.40.en/	psirt@thalesgroup.com	N/A

Hyperlink: https://info.cryptobox.com/doc/v4.40/4.40.en/

Source: psirt@thalesgroup.com

Resource: N/A

CVE-2026-5794

Credits

Vulnerability in Cryptobox allows an authenticated user to trigger an account lockout

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Unaffected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Credits

Timeline

Replaced By

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References

CISA Catalog

Metrics

CPE Matches

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Vendor Statements

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Change History

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