CVE-2026-67862

HIGH 7.5

CVSS Score

7.5

EPSS Score

0.2%

EPSS Percentile

11th

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.

Vendor	n/a
Product	n/a
Published	Aug 4, 2026
Last Updated	Aug 5, 2026

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Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/open62541/open62541/issues/8139 github.com: https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_highlevel.c