What is CVE-2026-56770?

CVE-2026-56770 is a high-severity vulnerability in Schwehr Libais, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2026-06-25.

How severe is CVE-2026-56770?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Schwehr Libais

CVE-2026-56770

libais through 0.15 VdmStream::AddLine uses an unchecked sentinel value as a vector index when processing AIS sentences with empty or out-of-range sequential message IDs. Remote attackers can crash services or vessel systems by sending cra…

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:N/I:N/A:H.

Affected products

Schwehr Libais — versions 0

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56770?: CVE-2026-56770 is a high-severity vulnerability in Schwehr Libais, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2026-06-25.
How severe is CVE-2026-56770?: High severity. CVSS v3 base score is 7.5 out of 10.