Vulnerability details
CVE-2026-77091
Commvault Cloud
DataCube Security Feature Bypass
CVSS 4.0
8.5High
Official description
DataCube contained a path traversal issue affecting security feature enforcement. Software customers upgrade to resolved maintenance release. Update Content Extractor and Index Store.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.5High | 4.0 | CVEProject cvelistV5 (CNA) (Commvault) | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Commvault | Commvault Cloud | 11.36.0 ≤ v ≤ 11.36.122 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.40.0 ≤ v ≤ 11.40.71 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.44.0 ≤ v ≤ 11.44.19 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.46.0 ≤ v ≤ 11.46.19 | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
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Details
- Published
- 2026-09-08
- Last updated
- 2026-09-08
- State
- Published
- Assigner (CNA)
- Commvault
Exploit prediction (EPSS)
0.18%
Probability of exploitation in 30 days
7.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')