CVE-2026-6805

Analyzed Analyzed - Analysis Complete

External Sharing Feature Information Disclosure in Cryptobox

Publication date: 2026-05-07

Last updated on: 2026-05-11

Assigner: Thales Group

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-07

Last Modified

2026-05-11

Generated

2026-07-07

AI Q&A

2026-05-07

EPSS Evaluated

2026-07-05

NVD

CVE-2026-6805

EUVD

EUVD-2026-28342

Affected Vendors & Products

Vendor	Product	Version / Range
thalesgroup	ercom_cryptobox	From 4.37.248 (inc) to 4.38.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-280	The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.

Attack-Flow Graph

Impact Analysis

The vulnerability allows an attacker to potentially gain unauthorized access to shared information by brute-forcing the access code offline. This could lead to exposure of sensitive data shared via Cryptobox external sharing links without requiring direct interaction with the server during the attack.

Executive Summary

This vulnerability exists in the external sharing feature of Cryptobox. An attacker who knows the URL of a sharing link can retrieve information from the server that enables them to perform an offline brute-force attack on the access code associated with that sharing link.

Mitigation Strategies

The provided resources do not specify immediate mitigation steps for this vulnerability.

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