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    2 vulnerabilities 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
    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.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    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
    Vendor Product Version
    o6 open62541 Affected: ca356b088ada7dee824d1b4acd07c1ff07ce242b
        cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Credits
    Chuan Wei (SCU) VULL (VulDB User) SCU_1CP (VulDB User) VulDB CNA Team
    Show details on NVD website

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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
    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.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    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
    Vendor Product Version
    o6 open62541 Affected: 1.5.0
    Affected: 1.5.1
    Affected: 1.5.2
    Affected: 1.5.3
    Affected: 1.5.4
    Affected: 1.5.5
        cpe:2.3:a:open62541:open62541:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Credits
    Chuan Wei VULL (VulDB User) SCU_1CP (VulDB User) VulDB CNA Team
    Show details on NVD website

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