In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, an unauthenticated user could access the add-on OpenAPI specification through Splunk Web static file paths. The exposed specification could allow for reconnaissance of the add-on Representational State Transfer (REST) API endpoints and authentication model. The vulnerability is possible because the generated OpenAPI specification is packaged in a static file path that Splunk Web serves without authentication. 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.
History

Fri, 21 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco talos Intelligence For Enterprise Security Cloud
CPEs cpe:2.3:a:cisco:talos_intelligence_for_enterprise_security_cloud:*:*:*:*:*:*:*:*
Vendors & Products Cisco
Cisco talos Intelligence For Enterprise Security Cloud

Thu, 20 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 20 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
First Time appeared Splunk
Splunk cisco Talos Intelligence For Enterprise Security Cloud
Vendors & Products Splunk
Splunk cisco Talos Intelligence For Enterprise Security Cloud

Wed, 19 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Description In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, an unauthenticated user could access the add-on OpenAPI specification through Splunk Web static file paths. The exposed specification could allow for reconnaissance of the add-on Representational State Transfer (REST) API endpoints and authentication model. The vulnerability is possible because the generated OpenAPI specification is packaged in a static file path that Splunk Web serves without authentication. 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.
Title Information Disclosure through Splunk Web in Cisco Talos Intelligence for Enterprise Security Cloud
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2026-08-19T21:35:09.175Z

Updated: 2026-08-20T16:27:30.600Z

Reserved: 2026-08-19T12:02:03.631Z

Link: CVE-2026-76390

cve-icon Vulnrichment

Updated: 2026-08-20T16:20:56.845Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-19T22:17:25.357

Modified: 2026-08-21T19:18:17.943

Link: CVE-2026-76390

cve-icon Redhat

No data.