How to verify CVE-2026-34956

Confirm whether your systems are actually affected — run the exact detection check below (Nuclei command or OpenVAS NVT). Detection only; it does not exploit.

Verify with OpenVAS

Greenbone/OpenVAS ships 11 NVT checks for CVE-2026-34956. OpenVAS detects this CVE by NVT OID — enable the NVT in your scan config, or confirm it is in your feed with the query below.

Confirm the NVT is in your feed (GMP)

gvm-cli socket --xml "<get_nvts nvt_oid='1.3.6.1.4.1.25623.1.1.16.2026.1871' details='1'/>"

NVT OIDs (11)

1.3.6.1.4.1.25623.1.1.16.2026.1871since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1872since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1960since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1961since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1962since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.2063since 2026-06-25
1.3.6.1.4.1.25623.1.1.17.2026.0153since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.10534.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.20972.1since 2026-06-26
1.3.6.1.4.1.25623.1.1.4.2026.1439.1since 2026-06-25

+ 1 more NVT

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