Vulnerability in Ercom Cryptobox
CVE-2026-6805
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Ercom Cryptobox — versions 4.40.183, 4.37.248
- Thalesgroup Ercom Cryptobox
Weakness classification (CWE)
References
- info.cryptobox.com/doc/v4.40/4.40.en/ (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2026-6805?
- CVE-2026-6805 is a high-severity vulnerability in Ercom Cryptobox, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 7.5/10. Published 2026-05-07.
- How severe is CVE-2026-6805?
- High severity. CVSS v3 base score is 7.5 out of 10.