How to verify CVE-2026-56208

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 13 NVT checks for CVE-2026-56208. 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='1.3.6.1.4.1.25623.1.1.11.2026.47104' details='1'/>"

NVT OIDs (13)

1.3.6.1.4.1.25623.1.1.11.2026.47104since 2026-08-05
1.3.6.1.4.1.25623.1.1.11.2026.47105since 2026-07-30
1.3.6.1.4.1.25623.1.1.1.1.2026.6411since 2026-08-06
1.3.6.1.4.1.25623.1.1.14.2026.47104since 2026-08-05
1.3.6.1.4.1.25623.1.1.14.2026.47105since 2026-08-01
1.3.6.1.4.1.25623.1.1.18.1.2026.21061.1since 2026-07-15
1.3.6.1.4.1.25623.1.1.4.2026.22369.1since 2026-07-15
1.3.6.1.4.1.25623.1.1.4.2026.2829.1since 2026-07-15
1.3.6.1.4.1.25623.1.1.4.2026.3224.1since 2026-07-28
1.3.6.1.4.1.25623.1.1.5.2.2026.3795since 2026-07-15

+ 3 more NVTs

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