HIGH 7.1 Microsoft
CVE-2026-19589
Packer vulnerable to arbitrary file write via crafted plugin archive during installation
Microsoft Security Update 2026-Aug: Packer vulnerable to arbitrary file write via crafted plugin archive during installation
Affected Products
- azl3 packer 1.9.5-18 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-19589
- https://nvd.nist.gov/vuln/detail/CVE-2026-19589
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-11 via Microsoft. Affected: azl3 packer 1.9.5-18 on Azure Linux 3.0.
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