What’s Vulnerable › Vulnerabilities

CVE-2026-74796: OpenTofu before 1.11.7 Symlink Following Path Traversal

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-16 · updated 2026-10-08
• Weakness: CWE-59

Description

OpenTofu before 1.11.7 fails to validate existing symlinks in the provider cache directory during initialization. Attackers can place a malicious symlink in a trusted working directory to cause tofu init to write provider package contents to arbitrary filesystem locations outside the working tree.

Affected products

• opentofu: before 1.11.7 — fixed in 1.11.7

How to fix

Upgrade to a fixed version: opentofu 1.11.7. Check the vendor advisory for mitigations.

References

• https://github.com/opentofu/opentofu/security/advisories/GHSA-wcmj-x466-56mm
• https://www.vulncheck.com/advisories/opentofu-before-symlink-following-path-traversal

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