CVE-2026-74797
OpenTofu before 1.11.4 Denial of Service via malicious zip
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-400 |
| Vendor | opentofu |
| Product | opentofu |
| Published | Aug 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
opentofu / opentofu
0 < 1.11.4