CVE-2026-108925 Cohesity CVE debrief

Who should care

Defenders responsible for Cohesity NetBackup Administration Console web interface deployments should assess exposure and apply patches or updates as needed. This includes verifying affected versions, prioritizing patching, and monitoring for potential XSS attacks. Additionally, defenders should review compensating controls for exposed systems and track exceptions and retest remediated assets.

Why it matters

Defenders should prioritize verifying exposure and applying patches for Cohesity NetBackup Administration Console web interface versions before 11.2 due to potential XSS attacks and data theft.

• Potential for XSS attacks on unauthenticated users
• Need for verification of affected versions and exposure
• Priority for applying patches or updates to affected versions
• Potential for data theft or unauthorized actions

Technical summary

The Cohesity NetBackup Administration Console web interface is vulnerable to basic cross-site scripting (XSS) due to improper neutralization of script-related HTML tags. This issue affects versions before 11.2. The vulnerability could allow attackers to inject malicious scripts, potentially leading to unauthorized actions or data theft. Technical details indicate that the vulnerability is related to the web interface's handling of script-related HTML tags, which can be exploited for XSS attacks. Defenders should prioritize verifying exposure and applying patches for Cohesity NetBackup Administration Console web interface versions before 11.2.

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Cohesity NetBackup Administration Console web interface versions before 11.2.

Recommended defensive actions

• Verify exposure of Cohesity NetBackup Administration Console web interface versions before 11.2
• Apply patches or updates to affected versions
• Monitor for potential XSS attacks
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional verification is needed to confirm affected versions and potential impact. The vulnerability is confirmed in versions before 11.2, but further review is required to assess the full scope of affected systems and potential exposure. Defenders should verify exposure and apply patches or updates as needed. The source item provides details on the vulnerability, but explicit evidence limits and defensive verification tasks are necessary.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.