AUGUST 25, 2026
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Case File

CVE-2026-76389

HIGH · CVSS 8.8 EPSS 0.34%

Source: NVD + CISA KEV + EPSS · Published 2026-08-19 · Last synced 2026-08-24

CyberRota Analysis

AI-Generated

Cisco Talos Intelligence for Enterprise Security Cloud versions prior to 1.0.3 are vulnerable to a high-severity flaw that allows users with the get_talos_enrichment capability to send crafted requests to the REST API, potentially leading to unauthorized outbound requests to attacker-controlled servers. This could expose sensitive tokens, compromising data integrity and security within the Splunk instance. Organizations utilizing affected versions should prioritize patching this vulnerability to safeguard their systems against potential exploitation.

CVE
CVE-2026-76389
Severity
HIGH
CVSS
8.8
EPSS
0.34%
Cisco

Original NVD 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.

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