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CVE-2026-74797— OpenTofu before 1.11.4 Denial of Service via malicious zip

CVSS 3.1 · Low

Possible ATT&CK Techniques 1AI

T1496 · Resource Hijacking

Affected Version Matrix 2

VendorProductVersion RangeStatus
opentofuopentofu< 1.11.4affected
1.11.4unaffected
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I. Basic Information for CVE-2026-74797

Vulnerability Information
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Vulnerability Title
OpenTofu before 1.11.4 Denial of Service via malicious zip
Source: CVE Program / CVE List V5
Vulnerability Description
OpenTofu versions before 1.11.4 contain a denial of service vulnerability in the tofu init command when processing maliciously-crafted .zip archives for provider or module packages. Attackers can cause excessive CPU usage by controlling .zip archive content served during dependency installation, degrading system performance and preventing timely completion of the init process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
opentofuopentofu 0 ~ 1.11.4 -

II. Public POCs for CVE-2026-74797

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III. Intelligence Information for CVE-2026-74797

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Vendor Advisories for CVE-2026-74797 (1)

Same Patch Batch · opentofu · 2026-08-16 · 3 CVEs total

CVE-2024-583757.5 HIGHOpenTofu before 1.8.3 Secret Variable Leaking via Static Evaluation
CVE-2026-747966.1 MEDIUMOpenTofu before 1.11.7 Symlink Following Path Traversal

IV. Related Vulnerabilities

Same product: opentofu
Same vendor: opentofu
Same weakness: CWE-400

V. Comments for CVE-2026-74797

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