RCE in Kopia
CVE-2026-45695
Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password…
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kopia — versions < 0.23.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-45695?
- CVE-2026-45695 is a critical-severity vulnerability in Kopia, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-16.
- How severe is CVE-2026-45695?
- Critical severity. CVSS v3 base score is 9.8 out of 10.