CVE-2026-18785: o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free
A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UAClientgetRemoteDataTypes of the file examples/customdatatype/clienttypescustom.c. Executing a manipulation can lead to use after free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-18785?
The severity of CVE-2026-18785 is rated as medium with a score of 5.3.
How do I fix CVE-2026-18785?
To fix CVE-2026-18785, update the o6 open62541 software to a version that addresses the use after free vulnerability in UA_Client_getRemoteDataTypes.
What does CVE-2026-18785 affect?
CVE-2026-18785 affects the function UA_Client_getRemoteDataTypes in the file examples/custom_datatype/client_types_custom.c of the open62541 software.
What type of vulnerability is CVE-2026-18785?
CVE-2026-18785 is categorized as a use after free vulnerability.
Can CVE-2026-18785 be exploited remotely?
Yes, CVE-2026-18785 can be exploited remotely by manipulating the affected function.