CVE-2026-5794

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

Medium4.9EPSS 0.26%

Published: 28 Apr 2026
Updated: 29 Apr 2026
Reserved: 8 Apr 2026
Assigned by: THA-PSIRT

Description

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.

Scores

CVSS scores of CVE-2026-5794, by who scored it
Scored by	CVSS	Score	Vector
THA-PSIRTCNA (assigner)	4.0	Medium4.9	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
NVDNVD · Awaiting Analysis	4.0	Medium4.9	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

EPSS (exploitation in 30 days): 0.26% · top 83% of all CVEs (6 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

CWE-694 Use of multiple resources with duplicate identifier (opens in a new tab)All about CWE-694 and its CVEs

Affected products

Ercom · Cryptobox
- unaffected 4.40.175
- unaffected 4.37.237 – < 4.38.0

References (1)

https://info.cryptobox.com/doc/v4.40/4.40.en/ (opens in a new tab)release-notes

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated 29 Apr 2026, 14:06 UTC.