What is CVE-2026-47358?

CVE-2026-47358 is a high-severity vulnerability in Tenable Terrascan, classified under External Control of File Name or Path. CVSS score: 7.5/10. Published 2026-05-19.

How severe is CVE-2026-47358?

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

SSRF in Tenable Terrascan

CVE-2026-47358

Terrascan v1.18.3 and prior are vulnerable to Server-Side Request Forgery (SSRF) via external URL resolution in uploaded IaC templates when running in server mode. When Terrascan parses uploaded ARM templates or CloudFormation templates, i…

EPSS: 0.000 (15.7th 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-73 — External Control of File Name or Path
CWE-610 — Externally Controlled Reference to a Resource in Another Sphere
CWE-918 — Server-Side Request Forgery (SSRF)

References

vulnreport@tenable.com (Product)

Frequently asked questions

What is CVE-2026-47358?: CVE-2026-47358 is a high-severity vulnerability in Tenable Terrascan, classified under External Control of File Name or Path. CVSS score: 7.5/10. Published 2026-05-19.
How severe is CVE-2026-47358?: High severity. CVSS v3 base score is 7.5 out of 10.