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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, it resolves external URLs referenced within those templates via hashicorp/go-getter with all default detectors enabled, including FileDetector. An unauthenticated remote attacker can upload an ARM template containing a templateLink.uri or parametersLink.uri fiel
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ca34e4df1f18fd8e171f986b68f79eee0ef69328d3e101371b15500027faf0e4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/metrics/0/cvssV3_1
cwe · 3 assertions

{"cweId":"CWE-918","description":"Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-73","description":"External Control of File Name or Path","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-610","description":"Externally Controlled Reference to a Resource in Another Sphere","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Terrascan","vendor":"tenable","versions":[{"lessThanOrEqual":"1.18.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":9.3,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-918","description":"Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-73","description":"External Control of File Name or Path","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-610","description":"Externally Controlled Reference to a Resource in Another Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"Terrascan GitHub Repository","url":"https://github.com/tenable/terrascan"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a8d2fe58c0b371d33136529f5205c1736985999a274d9d5314788934cda9062 · sha256:044ce4981fef3b82… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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