What’s Vulnerable › Vulnerabilities

CVE-2026-67861

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-04 · updated 2026-09-03
• Weakness: CWE-400

Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component

References

• https://github.com/open62541/open62541/issues/8140
• https://raw.githubusercontent.com/open62541/open62541/v1.5.5/examples/custom_datatype/client_types_custom.c
• https://raw.githubusercontent.com/open62541/open62541/v1.5.5/src/client/ua_client_util.c
• https://github.com/open62541/open62541/issues/8140

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