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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.

PUBLISHED Reserved 2026-03-17 | Published 2026-05-28 | Updated 2026-05-28 | Assigner hackerone




CRITICAL: 9.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-94 Code Injection

Product status

Default status
unaffected

Any version before 26.4.3
affected

Any version before 26.5.0
affected

References

support.cometbackup.com/...Server-via-branding-configuration

cve.org (CVE-2026-32999)

nvd.nist.gov (CVE-2026-32999)

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