CVE-2026-74796

high

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.

References

https://www.vulncheck.com/advisories/opentofu-before-symlink-following-path-traversal

https://github.com/opentofu/opentofu/security/advisories/GHSA-wcmj-x466-56mm

Details

Source: Mitre, NVD

Published: 2026-08-16

Updated: 2026-08-16

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 7

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

Severity: High