CVE-2026-6805: ercom cryptobox (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-280 CWE-280

Affected Products

Vendor	Product	Versions
thalesgroup	ercom_cryptobox	4.37.248 — 4.38.0

References

Other References

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-6805? +

CVE-2026-6805 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0004, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-6805? +

CVE-2026-6805 affects products from thalesgroup, specifically: ercom_cryptobox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-6805? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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