VULNERABILITY INTELLIGENCE
CVE-2026-18784
CVSS score5.3 MEDIUM
EPSS probability0.17%
CISA KEVNot currently listed
Published2026-08-04
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Description
A vulnerability was found in o6 open62541 up to 1.5.5. This issue affects the function UA_Client_readNodeClassAttribute of the file src/client/ua_client_highlevel.c. Performing a manipulation results in heap-based buffer overflow. Attacking locally is a requirement. The exploit has been made public and could be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
Weakness classification
- cna@vuldb.com: CWE-119