How to verify CVE-2026-27459

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-2026-27459. 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 (19)

1.3.6.1.4.1.25623.1.0.136782since 2026-07-25
1.3.6.1.4.1.25623.1.0.180253since 2026-07-01
1.3.6.1.4.1.25623.1.0.180263since 2026-07-01
1.3.6.1.4.1.25623.1.1.10.2026.0074since 2026-06-25
1.3.6.1.4.1.25623.1.1.12.2026.8115.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1729since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1730since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1731since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2026.1734since 2026-06-25
1.3.6.1.4.1.25623.1.1.17.3.2026.0165since 2026-07-23

+ 9 more NVTs

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