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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HashiCorp | Packer | unaffected |
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Advisories
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Fixes
Solution
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Workaround
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References
History
Mon, 17 Aug 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Packer vulnerable to arbitrary file write via crafted plugin archive during installation | |
| Weaknesses | CWE-22 | |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: HashiCorp
Published:
Updated: 2026-08-17T20:46:47.743Z
Reserved: 2026-08-12T03:40:41.141Z
Link: CVE-2026-19589
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
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Weaknesses