Vulnerability · Published Sep 8, 2026 · Assigned by Commvault
CVE-2026-77104CommServe Path Traversal
High 8.3
In plain English
A high-severity path traversal in Commvault Cloud from Commvault. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 4.0)8.3High
Exploit odds (30 days)0.6%top 53.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
CommServe contained a path traversal issue affecting information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Commvault | Commvault Cloud | 11.46.0 – through 11.46.1911.44.0 – through 11.44.1911.40.0 – through 11.40.7111.36.0 – through 11.36.122 |
Weakness: CWE-22 · 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