CVE-2026-67869

highCVSS 7.5covered by 1 sourcefirst seen 2026-08-06

Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata

⚡ Watch CVE-2026-67869

Get an email if CVE-2026-67869 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Exploitation outlook

Low exploitation risk0.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-67869: Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial o…nvd · 2026-08-06

External references

NVD record for CVE-2026-67869

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-67869 status](https://www.csirts.com/badge/CVE-2026-67869)](https://www.csirts.com/cve/CVE-2026-67869)