CVE-2026-76256
An attacker can exploit multiple vulnerabilities in Splunk Splunk Enterprise to execute arbitrary code, escalate privileges, bypass security measures, perform SQL injection, server-side request forgery and cross-site scripting attacks, disclose or manipulate sensitive information, trigger denial-of-service conditions, or perform other unspecified attacks.
CSIRTS triage
- What
- Multiple vulnerabilities allow remote code execution, privilege escalation, authentication bypass, SQL injection, SSRF, XSS, information disclosure, and denial-of-service attacks.
- Who is affected
- All deployments of Splunk Enterprise.
- Urgency
- High priority due to multiple severe impact vectors including remote code execution and no authentication requirement mentioned.
- Action
- Apply Splunk security patches for all eight CVEs (CVE-2026-76251 through CVE-2026-76258) immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Advisory coverage (4)
- unknownNCSC-2026-0322 [1.00] [M/H] Vulnerabilities fixed in Splunk Enterprise by Splunkncsc-nl · 2026-08-21
- high[NEW] [high] Splunk Splunk Enterprise: Multiple vulnerabilitiescert-bund · 2026-08-20
- unknownSplunk Products Multiple Vulnerabilitieshkcert · 2026-08-20
- mediumCVE-2026-76256: In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gate…nvd · 2026-08-19
External references
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[](https://www.csirts.com/cve/CVE-2026-76256)