What is CVE-2026-47356?

CVE-2026-47356 is a high-severity vulnerability in Tenable Terrascan, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-05-19.

How severe is CVE-2026-47356?

High severity. CVSS v3 base score is 7.5 out of 10.

SSRF in Tenable Terrascan

CVE-2026-47356

Terrascan v1.18.3 and prior are vulnerable to Server-Side Request Forgery (SSRF) via the webhook_url parameter in the file scan endpoint (POST /v1/{iac}/{iacVersion}/{cloud}/local/file/scan) when running in server mode. An unauthenticated…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (15.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Tenable Terrascan — versions 0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

vulnreport@tenable.com (Product)

Frequently asked questions

What is CVE-2026-47356?: CVE-2026-47356 is a high-severity vulnerability in Tenable Terrascan, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2026-05-19.
How severe is CVE-2026-47356?: High severity. CVSS v3 base score is 7.5 out of 10.