How to verify CVE-2026-2443

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 27 NVT checks for CVE-2026-2443. 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='1.3.6.1.4.1.25623.1.1.16.2026.1684' details='1'/>"

NVT OIDs (27)

1.3.6.1.4.1.25623.1.1.16.2026.1684since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.2698since 2026-07-15
1.3.6.1.4.1.25623.1.1.16.2026.2699since 2026-07-15
1.3.6.1.4.1.25623.1.1.17.2026.0139since 2026-06-25
1.3.6.1.4.1.25623.1.1.17.3.2026.0071since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.10208.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.10209.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.20354.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2026.20384.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.2.2026.0657.1since 2026-06-25

+ 17 more NVTs

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