Critical [CVE-2026-111497] Brotli Vulnerability in NetApp Products
This critical-severity NetApp advisory covers CVE-2026-111497 affecting NetApp Console Agent Container (audit), ONTAP Select Deploy administration utility.
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Summary
Google Brotli versions 1.0.3 through 1.2.0 are susceptible to a vulnerability known alternatively as Node2Shell or HTTP2Shell which when successfully exploited could allow malformed compressed input to write past the end of an internal decoder buffer.
Successful exploitation of this vulnerability could lead to disclosure of sensitive information, addition or modification of data or Denial of Service (DoS). Affected products: NetApp Console Agent Container (audit), ONTAP Select Deploy administration utility.
NetApp reports that one or more additional products remain under investigation; review the canonical advisory for current status. NetApp states there is no workaround available at this time.
CISA Known Exploited Vulnerability
- Listed:
- Oct 27, 2026 · federal remediation due Nov 10, 2026
- Required action:
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
KEV is a prioritization signal from CISA. Remediation detail comes from the vendor advisory.
- 1.0.3
- 1.2.0
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
Mitigation
The vendor states no workaround or mitigation is currently available. Prioritize upgrading to a fixed release, and follow the official advisory for interim guidance.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
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