How to verify CVE-2026-56412

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 19 NVT checks for CVE-2026-56412. 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='1.3.6.1.4.1.25623.1.0.157531' details='1'/>"

NVT OIDs (19)

1.3.6.1.4.1.25623.1.0.157531since 2026-07-25
1.3.6.1.4.1.25623.1.1.10.2026.0352since 2026-09-02
1.3.6.1.4.1.25623.1.1.1.1.2026.6404since 2026-08-01
1.3.6.1.4.1.25623.1.1.1.2.2026.4765since 2026-09-02
1.3.6.1.4.1.25623.1.1.16.2026.2973since 2026-07-15
1.3.6.1.4.1.25623.1.1.16.2026.2974since 2026-07-15
1.3.6.1.4.1.25623.1.1.16.2026.2975since 2026-07-15
1.3.6.1.4.1.25623.1.1.16.2026.2976since 2026-07-15
1.3.6.1.4.1.25623.1.1.17.3.2026.0291since 2026-09-08
1.3.6.1.4.1.25623.1.1.18.1.2026.11584.1since 2026-08-27

+ 9 more NVTs

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