How to verify CVE-2026-77219

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 6 NVT checks for CVE-2026-77219. 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='1.3.6.1.4.1.25623.1.1.18.1.2026.21711.1' details='1'/>"

NVT OIDs (6)

1.3.6.1.4.1.25623.1.1.18.1.2026.21711.1since 2026-09-04
1.3.6.1.4.1.25623.1.1.4.2026.3993.1since 2026-09-15
1.3.6.1.4.1.25623.1.1.4.2026.4083.1since 2026-09-15
1.3.6.1.4.1.25623.1.1.5.3.2026.2147since 2026-09-16
1.3.6.1.4.1.25623.1.1.9.2026.601011021022021017since 2026-08-28
1.3.6.1.4.1.25623.1.1.9.2026.8894100971406since 2026-09-02

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