CVE-2026-32999

Published: May 28, 2026

Modified: May 28, 2026

PUBLISHED

CVSS v3.1

9.1

CRITICAL

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.

Vendor	Product	Versions
WebPros	Comet Backup	affected `0 - < 26.4.3` affected `0 - < 26.5.0`

Weaknesses (CWE)

CWE-94

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

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

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CVE-2026-32999

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References