CVE-2026-6805

High

Description

Vulnerability on the external sharing feature in Cryptobox allows an attacker knowing a sharing link URL to retrieve information from the server allowing an offline brute-force attack of the access code associated to this sharing link.

SeverityHigh

CVSS7.5

Exploit probability—

ProductThalesgroup Ercom Cryptobox

PublishedMay 7, 2026

First seenMay 7, 2026

Weakness typeCWE-280CWE-280

How to fix

Update

thalesgroup ercom_cryptobox4.38.0 or later

Vendor advisories

info.cryptobox.com/doc/v4.40/4.40.en/

Affected products

Product	Affected versions	Fixed in
thalesgroup ercom_cryptobox	4.37.248 ≤ v < 4.38.0	4.38.0

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