CVE-2023-4782 is a medium-severity (CVSS 6.3) Path Traversal vulnerability in github.com/hashicorp/terraform. A fix is available for github.com/hashicorp/terraform — see the affected versions and patch details below.
Terraform Allows Arbitrary File Write During Init Operation
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2023-4782.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
github.com/hashicorp/terraformReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.
Description
Terraform version 1.0.8 through 1.5.6 allows arbitrary file write during the init operation if run on maliciously crafted Terraform configuration. This vulnerability is fixed in Terraform 1.5.7.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐹Go | github.com/hashicorp/terraform | ≥ 1.0.8&&< 1.5.7 | 1.5.7go get github.com/hashicorp/terraform@v1.5.7 |
Affected Products
terraformhashicorpDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/hashicorp/terraform, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update github.com/hashicorp/terraform to 1.5.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-4782 is resolved across your whole dependency graph.
Workarounds
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.
Frequently Asked Questions
Is CVE-2023-4782 in your dependencies?
Find it across Go, including transitive dependencies.