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2 vulnerabilities found for open62541 by o6
CVE-2026-18785 (GCVE-0-2026-18785)
Vulnerability from cvelistv5 – Published: 2026-08-04 16:45 – Updated: 2026-08-04 17:35
VLAI
EPSS
VEX
Title
o6 open62541 client_types_custom.c UA_Client_getRemoteDataTypes use after free
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/385787 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/385787/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-18785 | third-party-advisory |
| https://vuldb.com/submit/857052 | third-party-advisory |
| https://github.com/open62541/open62541/issues/8131 | issue-tracking |
| https://github.com/gff-cw/information/issues/12 | exploitissue-tracking |
Impacted products
Credits
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CVE-2026-18784 (GCVE-0-2026-18784)
Vulnerability from cvelistv5 – Published: 2026-08-04 16:30 – Updated: 2026-08-05 14:55
VLAI
EPSS
VEX
Title
o6 open62541 ua_client_highlevel.c UA_Client_readNodeClassAttribute heap-based overflow
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/385786 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/385786/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-18784 | third-party-advisory |
| https://vuldb.com/submit/857012 | third-party-advisory |
| https://github.com/open62541/open62541/issues/8139 | issue-tracking |
| https://github.com/gff-cw/information/issues/11 | exploitissue-tracking |
Impacted products
Credits
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