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CVE-2026-45099— Terragrunt: Arbitrary File Deletion via Malicious Module Manifest

CVSS 6.9 · Medium EPSS 0.54% · P43

Affected Version Matrix 1

VendorProductVersion RangeStatus
gruntwork-ioterragrunt< 1.0.4affected
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I. Basic Information for CVE-2026-45099

Vulnerability Information
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Vulnerability Title
Terragrunt: Arbitrary File Deletion via Malicious Module Manifest
Source: CVE Program / CVE List V5
Vulnerability Description
Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu or Terraform to scale. Prior to 1.0.4, Terragrunt trusts paths decoded from a downloaded module's .terragrunt-module-manifest during fileManifest.Clean() in internal/util/file.go. A malicious or compromised external module can place absolute or traversal paths in the manifest, causing cleanup to delete files outside the module cache that are accessible to the Terragrunt process before OpenTofu or Terraform executes. This deletion-only primitive can remove local source code or configuration and disrupt CI/CD pipelines. This issue is fixed in version 1.0.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
gruntwork-ioterragrunt < 1.0.4 -

II. Public POCs for CVE-2026-45099

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III. Intelligence Information for CVE-2026-45099

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Patches & Fixes for CVE-2026-45099 (1)

Vendor Advisories for CVE-2026-45099 (1)

Vendor Pages for CVE-2026-45099 (1)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-45099

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