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Splunk Soar EUVDEUVD-2026-107641

| CVE-2026-76407
Improper Access Control (CWE-284)
2026-10-21 cisco GHSA-chh5-phg6-q4h8
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Access control enforcement
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Monitor Track and reassess. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisCVE.org

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76407 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

Affected VersionsENISA

Splunk SOAR 0 <8.7.0

Affected Packages

euvd splunk_soar fix: 8.7.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Lifecycle Timeline

2
Patch available
Oct 22, 2026 - 02:16 EUVD
CVE Published
Oct 21, 2026 - 22:52 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score
0.1%
Top 98% exploitable
Data Quality
1 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity Not scored yet
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
No CVSS yet + weak signal (CWE or non-zero EPSS)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

CVE-2026-76531 CRITICAL
9.9 Oct 21

Splunk SOAR deployments running any version below 8.7.0 expose files and directories to external parties (CWE-552), and

CVE-2026-76526 HIGH
8.8 Oct 21

Cisco/Splunk has shipped a software hardening release for Splunk SOAR that fixes multiple internally discovered flaws, o

CVE-2026-76530 HIGH
8.8 Oct 21

Severity signals and exploitation signals diverge here: Splunk SOAR deployments below 8.7.0 permit an authenticated low-

CVE-2026-76356 HIGH
8.1 Aug 19

Remote code execution in Splunk SOAR versions below 8.6.0 allows unauthenticated remote attackers to execute arbitrary c

CVE-2026-76357 HIGH
7.6 Aug 19

Arbitrary code execution in Splunk SOAR (On-premises) versions below 8.6.0 is reachable by any authenticated user regard

CVE-2026-76306 HIGH
7.5 Oct 21

Information disclosure in Splunk SOAR On-premises (all versions below 8.7.0) allows any authenticated user holding the l

CVE-2026-76362 HIGH
7.4 Aug 19

Improper TLS certificate validation in Splunk SOAR's CyberArk REST client exposes all credential vault traffic to interc

CVE-2026-76307 HIGH
7.2 Oct 21

Splunk SOAR (On-premises) below 8.7.0 exposes authentication token values to authenticated users who hold the 'Users and

CVE-2026-76359 MEDIUM
6.5 Aug 19

Path traversal in Splunk SOAR's Universal Forwarder credentials-package extraction allows an authenticated Administrator

CVE-2026-76358 MEDIUM
6.5 Aug 19

Path traversal during app installation in Splunk SOAR On-premises below version 8.6.0 allows an authenticated user holdi

CVE-2026-76365 MEDIUM
6.5 Aug 19

SQL injection in Splunk SOAR below version 8.6.0 enables users holding the "Automation Engineer" role to execute arbitra

CVE-2026-76363 MEDIUM
6.5 Aug 19

SQL injection in Splunk SOAR's playbook automation data APIs grants any user holding the 'Automation Engineer' role unre

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