What is CVE-2026-32999?

CVE-2026-32999 is a critical-severity vulnerability in Webpros Comet Backup, classified under Code Injection. CVSS score: 9.0/10. Published 2026-05-28.

How severe is CVE-2026-32999?

Critical severity. CVSS v3 base score is 9.0 out of 10.

RCE in Webpros Comet Backup

CVE-2026-32999

Insufficient character filtering in backup agent signing module on Comet Backup server allows authenticated tenant administrator to execute an arbitrary code on behalf of a privileged user on the affected server and connected devices.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Webpros Comet Backup — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

support@hackerone.com

Frequently asked questions

What is CVE-2026-32999?: CVE-2026-32999 is a critical-severity vulnerability in Webpros Comet Backup, classified under Code Injection. CVSS score: 9.0/10. Published 2026-05-28.
How severe is CVE-2026-32999?: Critical severity. CVSS v3 base score is 9.0 out of 10.