CVE-2026-18785CWE-119CWE-416

CVE-2026-18785

Medium · published August 4, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

A vulnerability was determined in o6 open62541 ca356b088ada7dee824d1b4acd07c1ff07ce242b. Impacted is the function UA_Client_getRemoteDataTypes of the file examples/custom_datatype/client_types_custom.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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00159 · 4.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2026-08-04T21:16Z
References (8)
EPSS history
Timeline
  • 04 AUG 16:45Z
    o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free
    cvelistv5