How to verify CVE-2026-33811

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 100 NVT checks for CVE-2026-33811. 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='1.3.6.1.4.1.25623.1.0.136782' details='1'/>"

NVT OIDs (100)

1.3.6.1.4.1.25623.1.0.136782since 2026-07-25
1.3.6.1.4.1.25623.1.1.11.2026.22112since 2026-08-27
1.3.6.1.4.1.25623.1.1.11.2026.22120since 2026-08-27
1.3.6.1.4.1.25623.1.1.11.2026.22121since 2026-08-27
1.3.6.1.4.1.25623.1.1.11.2026.34357since 2026-07-15
1.3.6.1.4.1.25623.1.1.11.2026.34359since 2026-07-15
1.3.6.1.4.1.25623.1.1.11.2026.35832since 2026-07-15
1.3.6.1.4.1.25623.1.1.11.2026.36617since 2026-07-15
1.3.6.1.4.1.25623.1.1.11.2026.36776since 2026-07-15
1.3.6.1.4.1.25623.1.1.11.2026.38504since 2026-07-15

+ 90 more NVTs

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