CVE-2026-74797CWE-400denial-of-service

CVE-2026-74797

Low · published August 16, 2026

CVSS v3.1

3.1

EPSS

Percentile

19.7

In the wild

Unconfirmed

What it is

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.

The record

Technical detail

CVSS v3.1: 3.1 · LOW
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0: 2.3 · CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
EPSS: 0.00283 · 19.7th percentile
Weakness: CWE-400 · Uncontrolled Resource Consumption
Published: 2026-08-16T18:16Z

References (2)

https://github.com/opentofu/opentofu/security/advisories/GHSA-r92c-9c7f-3pj8 · [email protected]https://www.vulncheck.com/advisories/opentofu-before-denial-of-service-via-malicious-zip · [email protected]

EPSS history

Timeline

16 AUG 13:14Z
OpenTofu before 1.11.4 Denial of Service via malicious zip
cvelistv5