Search Processing Language Injection Vulnerability in Splunk Enterprise Security
CVE-2026-76387

8.1HIGH

Key Information:

Vendor

Splunk
Status
Splunk Enterprise Security
Vendor
CVE Published:
19 August 2026

What is CVE-2026-76387?

A flaw in Splunk Enterprise Security versions earlier than 8.6.1 allows users with specific roles to exploit the Analyst Queue search filters. By injecting malicious Search Processing Language (SPL) through these filters, attackers can access sensitive data and potentially undermine system integrity. This vulnerability arises from a failure to validate filter field names before they are processed in SPL searches, creating a significant security risk for organizations utilizing this product.

Affected Version(s)

Splunk Enterprise Security 8.6 < 8.6.1

References

https://advisory.splunk.com/advisories/SVD-2026-0807

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.