CVE-2026-76449 Cisco CVE debrief

Who should care

Cisco ISE and ISE-PIC administrators, security teams responsible for validating input and managing database queries, and IT personnel overseeing network security and compliance should be aware of this vulnerability. They should assess their exposure, verify patches, and ensure proper input validation to prevent potential data breaches and compliance issues.

Why it matters

CVE-2026-76449 is a medium-severity SQL injection vulnerability in Cisco ISE and ISE-PIC. Authenticated remote attackers can exploit this vulnerability to execute arbitrary SQL or HQL queries, potentially allowing unauthorized data access or modification. Cisco ISE and ISE-PIC administrators should assess exposure, verify patches, and ensure proper input validation to prevent potential data breaches and compliance issues.

• Potential unauthorized data access or modification
• Required verification of input validation and database security
• Need for patching or compensating controls
• Potential impact on compliance and data integrity

Technical summary

CVE-2026-76449 is a SQL injection vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). Authenticated remote attackers can execute arbitrary SQL or HQL queries, potentially allowing unauthorized data access or modification. This vulnerability is due to insufficient validation of user-supplied input to the affected APIs before it is used to build database queries. Cisco ISE and ISE-PIC administrators should assess exposure, verify patches, and ensure proper input validation to prevent potential data breaches and compliance issues.

Defensive priority

Medium priority for Cisco ISE and ISE-PIC administrators to assess exposure and verify patches

Recommended defensive actions

• Assess exposure of Cisco ISE and ISE-PIC deployments
• Verify administrative credentials and API input validation
• Apply patches or compensating controls as recommended by Cisco
• 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

Official CVE and NVD records provide details on the SQL injection vulnerability in Cisco ISE and ISE-PIC. The Cisco advisory (cisco-sa-ise-multisql-inject-JnHK54Rq) offers additional information on affected versions, exploitation methods, and recommended patches. Defenders should verify the integrity of their Cisco ISE and ISE-PIC deployments, focusing on input validation and database query security.

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.