CVE-2026-32999

Name: CVE-2026-32999
Creator: NVD / NIST
Published: 2026-05-28T05:16:36.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2026-32999 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.31%

23.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

References

https://support.cometbackup.com/hc/en-us/articles/40655100268439--CVE-2026-32999-RCE-on-Comet-Server-via-branding-configuration

Timeline

Published: May 28, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-32999?

How severe is CVE-2026-32999?

CVE-2026-32999 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2026-32999?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-32999?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST