CVE-2026-19589: CWE-22: Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in HashiCorp Packer
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.
CVE-2026-19589: CWE-22: Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in HashiCorp Packer
Description
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.
CVSS v3.1
Score 7.1high
Affected software
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Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- HashiCorp
- Date Reserved
- 2026-08-12T03:40:41.141Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a83721bbf8831d539891ceb
Added to database: 08/17/2026, 20:42:03 UTC
Last updated: 08/17/2026, 20:42:03 UTC
Views: 1
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