CVE-2026-19589: Packer vulnerable to arbitrary file write via crafted plugin archive during installation
HashiCorp · Packer
Vendor fix available · Affected: HashiCorp Packer · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 9% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- HashiCorp · Packerfrom 1.7.0 before 1.16.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- HashiCorp
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-19589 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.