Vulnerability Details CVE-2026-47357
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-47357
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cpe:2.3:a:tenable:terrascan:0.1.0
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cpe:2.3:a:tenable:terrascan:0.1.1
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cpe:2.3:a:tenable:terrascan:0.1.2
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cpe:2.3:a:tenable:terrascan:0.2.0
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cpe:2.3:a:tenable:terrascan:0.2.1
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cpe:2.3:a:tenable:terrascan:0.2.2
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cpe:2.3:a:tenable:terrascan:0.2.3
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cpe:2.3:a:tenable:terrascan:1.0.0
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cpe:2.3:a:tenable:terrascan:1.1.0
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cpe:2.3:a:tenable:terrascan:1.10.0
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cpe:2.3:a:tenable:terrascan:1.11.0
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cpe:2.3:a:tenable:terrascan:1.12.0
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cpe:2.3:a:tenable:terrascan:1.13.0
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cpe:2.3:a:tenable:terrascan:1.13.1
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cpe:2.3:a:tenable:terrascan:1.13.2
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cpe:2.3:a:tenable:terrascan:1.14.0
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cpe:2.3:a:tenable:terrascan:1.15.0
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cpe:2.3:a:tenable:terrascan:1.15.1
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cpe:2.3:a:tenable:terrascan:1.15.2
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cpe:2.3:a:tenable:terrascan:1.16.0
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cpe:2.3:a:tenable:terrascan:1.17.0
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cpe:2.3:a:tenable:terrascan:1.17.1
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cpe:2.3:a:tenable:terrascan:1.18.0
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cpe:2.3:a:tenable:terrascan:1.18.1
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cpe:2.3:a:tenable:terrascan:1.18.2
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cpe:2.3:a:tenable:terrascan:1.18.3
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cpe:2.3:a:tenable:terrascan:1.2.0
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cpe:2.3:a:tenable:terrascan:1.3.0
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cpe:2.3:a:tenable:terrascan:1.3.1
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cpe:2.3:a:tenable:terrascan:1.3.2
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cpe:2.3:a:tenable:terrascan:1.3.3
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cpe:2.3:a:tenable:terrascan:1.4.0
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cpe:2.3:a:tenable:terrascan:1.5.0
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cpe:2.3:a:tenable:terrascan:1.5.1
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cpe:2.3:a:tenable:terrascan:1.6.0
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cpe:2.3:a:tenable:terrascan:1.7.0
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cpe:2.3:a:tenable:terrascan:1.8.0
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cpe:2.3:a:tenable:terrascan:1.8.1
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cpe:2.3:a:tenable:terrascan:1.9.0