Vulnerability details
CVE-2026-77090
Commvault CloudCommvault Grid CVFS
CVFS Information Disclosure
CVSS 4.0
8.7High
Official description
CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure. Software customers upgrade to resolved maintenance release. Update CVFS.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (Commvault) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Commvault | Commvault Cloud | 11.36.0 ≤ v ≤ 11.36.126 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.40.0 ≤ v ≤ 11.40.77 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.44.0 ≤ v ≤ 11.44.24 | CVEProject cvelistV5 (CNA) |
| Commvault | Commvault Cloud | 11.46.0 ≤ v ≤ 11.46.29 | CVEProject cvelistV5 (CNA) |
| Commvault | Grid(HSX) CVFS | 5.0.1.0 ≤ v ≤ 5.0.14.4 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-10-13
- Last updated
- 2026-10-14
- State
- Published
- Assigner (CNA)
- Commvault
Exploit prediction (EPSS)
0.33%
Probability of exploitation in 30 days
26.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-611Improper Restriction of XML External Entity Reference