Vulnerability · Published May 28, 2026 · Assigned by hackerone
CVE-2026-32999
Critical 9.1
In plain English
A critical-severity code injection in Comet Backup from WebPros. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WebPros | Comet Backup | 0 – before 26.4.30 – before 26.5.0 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H