CVE-2026-76389
8.8 · HIGHOverview
CVE-2026-76389 is a high-severity vulnerability affecting cisco talos_intelligence_for_enterprise_security_cloud. It was published on August 19, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the get_talos_enrichment capability could send a crafted request to the Talos intelligence enrichment Representational State Transfer (REST) API endpoint and cause the instance to make an outbound request to an attacker-controlled server. The request could expose tokens that compromise all relevant data and system integrity in the Splunk instance. The vulnerability is possible because the Talos intelligence enrichment REST endpoint accepts the destination for authenticated Splunk management requests from request data. For more information see Deploy Cisco Talos Intelligence for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation.
Remediation
Check the references section for vendor advisories and patches from cisco. Update talos_intelligence_for_enterprise_security_cloud to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cisco | talos_intelligence_for_enterprise_security_cloud | >= 1.0.0, < 1.0.3 | Affected |
Frequently Asked Questions
What is CVE-2026-76389?
CVE-2026-76389 is a high-severity vulnerability affecting cisco talos_intelligence_for_enterprise_security_cloud. It was published on August 19, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-76389?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-76389?
Check the references section for vendor advisories and patches from cisco. Update talos_intelligence_for_enterprise_security_cloud to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-76389?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-76389 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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