CVE-2026-67862

7.5 highEPSS 0.6%

High (7.5). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2026-08-04
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON