Commvault HyperScale Path Traversal Enables Information Disclosure
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
HyperScale contains a path traversal issue (CWE-22) that leads to information disclosure. Commvault Cloud versions 11.46.0 through 11.46.29, 11.44.0 through 11.44.24, 11.40.0 through 11.40.77 and 11.36.0 through 11.36.126 are affected, and no fix is listed for them. CVSS 4.0 scores the issue 7.1 (HIGH) with a network attack vector and low privileges required. It is not in CISA's KEV catalog, and CISA's SSVC rates exploitation as none, automatable as yes and technical impact as partial.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
HyperScale contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update Commvault installation of HyperScale MediaAgents.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Commvault | Commvault Cloud | 11.46.0 – 11.46.29; 11.44.0 – 11.44.24; 11.40.0 – 11.40.77; 11.36.0 – 11.36.126 | — | No fix listed | CNA |
- Commvault Cloud VendorCommvault Affected 11.46.0 – 11.46.29; 11.44.0 – 11.44.24; 11.40.0 – 11.40.77; 11.36.0 – 11.36.126 Fixed in — No fix listed CNA
Remediation
Upgrade Commvault installations of HyperScale MediaAgents to the resolved maintenance release. No fixed version is listed for the affected Commvault Cloud ranges.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Timeline
- 2026-10-13 Threatist record created from CVE-2026-18228
- 2026-10-13 Alias added: GHSA-jxpj-8hjm-976g
- 2026-10-14 Priority changed: MEDIUM → LOW
- 2026-10-15 Weakness changed · CISA ADP
- 2026-10-15 CISA SSVC decision points changed
More Commvault vulnerabilities
- TI-2025-24197 Commvault Command Center Innovation Release <= 11.38.25 Unathenticated Install Package Path Traversal KEVCVSS 4.0CRITICAL 9.3
- TI-2025-03473 Commvault Web Server unspecified vulnerability KEVCVSS 4.0HIGH 8.7
- TI-2021-13983 This vulnerability allows remote attackers to execute arbitrary code on affected… CVSS 3.1HIGH 8.8
- TI-2017-13252 A Command Injection issue was discovered in ContentStore/Base/CVDataPipe.dll in Commvault… CVSS 3.0CRITICAL 9.8
- TI-2021-13982 Unrestricted file upload in Commvault CommCell CVSS 3.1HIGH 8.8
- TI-2025-35673 Path traversal in Commvault CommCell CVSS 4.0HIGH 8.7
Sources
- CVE-2026-18228 · CVE Program
- CVE-2026-18228 · NVD
- FIRST EPSS
- GHSA-jxpj-8hjm-976g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences