High severity7.1NVD Advisory· Published Aug 17, 2026

CVE-2026-19589

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Hashicorp/Packerllm-fuzzy
Range: <=1.15.4

Patches

Vulnerability mechanics

References

discuss.hashicorp.com/t/hcsec-2026-29-packer-vulnerable-to-arbitrary-file-write-via-crafted-plugin-archive-during-installation/77654nvd

News mentions

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