CVE-2026-77104 PUBLISHED

CommServe Path Traversal

Assigner: Commvault
Reserved: 20.08.2026 Published: 08.09.2026 Updated: 08.09.2026

CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Commvault
Product	Commvault Cloud
Versions	Default: unknown affected from 11.46.0 to 11.46.19 (incl.) affected from 11.44.0 to 11.44.19 (incl.) affected from 11.40.0 to 11.40.71 (incl.) affected from 11.36.0 to 11.36.122 (incl.)

Credits

Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase. reporter

References

https://documentation.commvault.com/securityadvisories/CV_2026_08_6.html

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')