CVE-2026-4660: Go-getter may allow to arbitrary filesystem reads through git operations

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-09 · updated 2026-10-26
Weakness: CWE-200

Description

HashiCorp’s go-getter library up to v1.8.5 may allow arbitrary file reads on the file system during certain git operations through a maliciously crafted URL. This vulnerability, CVE-2026-4660, is fixed in go-getter v1.8.6. This vulnerability does not affect the go-getter/v2 branch and package.

Affected products

HashiCorp Tooling: before 1.8.6 — fixed in 1.8.6

How to fix

Upgrade to a fixed version: HashiCorp Tooling 1.8.6. Check the vendor advisory for mitigations.

References

https://discuss.hashicorp.com/t/hcsec-2026-04-go-getter-may-allow-to-arbitrary-filesystem-reads-through-git-operations/77311
https://access.redhat.com/errata/RHSA-2026:24478
https://access.redhat.com/security/cve/CVE-2026-4660
https://bugzilla.redhat.com/show_bug.cgi?id=2456909
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4660.json

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