CVE-2026-47357
Terrascan Server-Side Request Forgery (SSRF)
Description
Terrascan v1.18.3 and prior are vulnerable to Server-Side Request Forgery (SSRF) via the remote_url parameter in the remote directory scan endpoint (POST /v1/{iac}/{iacVersion}/{cloud}/remote/dir/scan) when running in server mode. An unauthenticated remote attacker can supply an attacker-controlled HTTP URL as remote_url with remote_type set to "http". The URL is passed directly to hashicorp/go-getter (v1.7.5) without validation. Go-getter's HttpGetter supports the X-Terraform-Get response header, allowing the attacker's server to redirect the download to a file:// URL, enabling local file read. Additionally, HttpGetter has Netrc set to true, causing it to read ~/.netrc and send stored credentials to attacker-controlled hostnames. This affects deployments running terrascan in server mode (terrascan server), which binds to 0.0.0.0 with no authentication. Note: Terrascan was archived in August 2023 and no patch will be released.
INFO
Published Date :
May 19, 2026, 5:16 p.m.
Last Modified :
July 24, 2026, 12:10 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 5ac1ecc2-367a-4d16-a0b2-35d495ddd0be | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 5ac1ecc2-367a-4d16-a0b2-35d495ddd0be | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Do not run Terrascan in server mode.
- Migrate to an alternative IaC scanning tool.
- Remove the affected application if not needed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-47357.
| URL | Resource |
|---|---|
| https://github.com/tenable/terrascan | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-47357 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-47357
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-47357 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-47357 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 24, 2026
Action Type Old Value New Value Added Translation Title: Terrascan de Tenable, Description: Terrascan v1.18.3 y anteriores son vulnerables a la Falsificación de Petición del Lado del Servidor (SSRF) a través del parámetro remote_url en el endpoint de escaneo de directorio remoto (POST /v1/{iac}/{iacVersion}/{cloud}/remote/dir/scan) cuando se ejecuta en modo servidor. Un atacante remoto no autenticado puede proporcionar una URL HTTP controlada por el atacante como remote_url con remote_type establecido en 'http'. La URL se pasa directamente a hashicorp/go-getter (v1.7.5) sin validación. El HttpGetter de Go-getter soporta el encabezado de respuesta X-Terraform-Get, permitiendo que el servidor del atacante redirija la descarga a una URL file://, lo que permite la lectura de archivos locales. Además, HttpGetter tiene Netrc establecido en true, lo que hace que lea ~/.netrc y envíe credenciales almacenadas a nombres de host controlados por el atacante. Esto afecta a las implementaciones que ejecutan terrascan en modo servidor (terrascan server), que se enlaza a 0.0.0.0 sin autenticación. Nota: Terrascan fue archivado en agosto de 2023 y no se lanzará ningún parche. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'tenable', 'product': 'Terrascan', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.18.3'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-47357', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-19T17:09:02.885966Z'} -
Initial Analysis by [email protected]
May. 20, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Added CWE CWE-918 Added CPE Configuration OR *cpe:2.3:a:tenable:terrascan:*:*:*:*:*:*:*:* versions up to (including) 1.18.3 Added Reference Type Tenable Network Security, Inc.: https://github.com/tenable/terrascan Types: Product -
New CVE Received by [email protected]
May. 19, 2026
Action Type Old Value New Value Added Description Terrascan v1.18.3 and prior are vulnerable to Server-Side Request Forgery (SSRF) via the remote_url parameter in the remote directory scan endpoint (POST /v1/{iac}/{iacVersion}/{cloud}/remote/dir/scan) when running in server mode. An unauthenticated remote attacker can supply an attacker-controlled HTTP URL as remote_url with remote_type set to "http". The URL is passed directly to hashicorp/go-getter (v1.7.5) without validation. Go-getter's HttpGetter supports the X-Terraform-Get response header, allowing the attacker's server to redirect the download to a file:// URL, enabling local file read. Additionally, HttpGetter has Netrc set to true, causing it to read ~/.netrc and send stored credentials to attacker-controlled hostnames. This affects deployments running terrascan in server mode (terrascan server), which binds to 0.0.0.0 with no authentication. Note: Terrascan was archived in August 2023 and no patch will be released. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-610 Added CWE CWE-918 Added CWE CWE-73 Added Reference https://github.com/tenable/terrascan