CVE-2026-19589 (GCVE-0-2026-19589)

Vulnerability from cvelistv5 – Published: 2026-08-17 20:22 – Updated: 2026-08-17 20:46
VLAI
Title
Packer vulnerable to arbitrary file write via crafted plugin archive during installation
Summary
Packer up to 1.15.4 is vulnerable to an issue in the third-party plugin installer that may allow unintended file system modification and could lead to code execution. A user who installs a plugin from a malicious or compromised source may be affected. This vulnerability (CVE-2026-19589) is fixed in Packer 1.16.0.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 20:46 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory (Path Traversal)
Assigner
HashiCorp CNA under the mitre root
CNA scorecard C 70/100 over 41 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
HashiCorp Packer Affected: 1.7.0 , < 1.16.0 (semver)
guessed Create a notification for this product.
Credits
This issue was reported to HashiCorp by George Chen.
Show details on NVD website
To clipboard 

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