Vulnerability in Hashicorp Shared Library

CVE-2026-88922

The go-getter library up to versions 1.8.8 and 2.2.3 is vulnerable to a privilege escalation issue in its archive decompression handling that may allow a crafted archive to cause extracted files to be created with elevated permission bits. Where extraction is performed by a privileged user, this may allow a local actor to obtain the privileges of the extracting process. This vulnerability (CVE-2026-88922) is fixed in go-getter 1.8.9 and 2.2.4.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88922?
CVE-2026-88922 is a medium-severity vulnerability in Hashicorp Shared Library, classified under Improper Preservation of Permissions. CVSS score: 6.7/10. Published 2026-09-15.
How severe is CVE-2026-88922?
Medium severity. CVSS v3 base score is 6.7 out of 10.