How to verify CVE-2026-56865

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 24 NVT checks for CVE-2026-56865. 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='1.3.6.1.4.1.25623.1.1.10.2026.0341' details='1'/>"

NVT OIDs (24)

1.3.6.1.4.1.25623.1.1.10.2026.0341since 2026-09-01
1.3.6.1.4.1.25623.1.1.16.2026.3715since 2026-09-18
1.3.6.1.4.1.25623.1.1.16.2026.3716since 2026-09-18
1.3.6.1.4.1.25623.1.1.16.2026.3717since 2026-09-18
1.3.6.1.4.1.25623.1.1.16.2026.3718since 2026-09-18
1.3.6.1.4.1.25623.1.1.18.1.2026.11516.1since 2026-08-18
1.3.6.1.4.1.25623.1.1.18.1.2026.11517.1since 2026-08-18
1.3.6.1.4.1.25623.1.1.18.1.2026.11536.1since 2026-08-21
1.3.6.1.4.1.25623.1.1.18.1.2026.11575.1since 2026-08-25
1.3.6.1.4.1.25623.1.1.18.1.2026.21592.1since 2026-08-25

+ 14 more NVTs

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