EUVD-2026-62926
GHSA-fjjw-8v57-f2fq
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Administrator role is required (PR:H); impact is limited to internal network topology disclosure (C:L) with no integrity or availability effect.
Primary rating from Vendor (cisco).
CVSS VectorVendor: cisco
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
In Splunk SOAR versions below 8.6.0, a user with the "Administrator" role could use the /rest/support/connectivity/.../check_connectivity endpoint to make Splunk SOAR initiate outbound network connections to arbitrary destinations and determine whether internal hosts and ports are reachable. The Server-Side Request Forgery (SSRF) is possible because the connectivity check REST API does not sufficiently validate the destination before Splunk SOAR connects to it. For more information see Manage roles and permissions in Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.5.0/manage-your-splunk-soar-on-premises-users-and-accounts/manage-roles-and-permissions-in-splunk-soar-on-premises) in the Splunk documentation.
AnalysisAI
Splunk SOAR versions below 8.6.0 contain a Server-Side Request Forgery flaw in the connectivity check REST API endpoint (/rest/support/connectivity/.../check_connectivity) that allows an authenticated Administrator-role user to direct the SOAR platform to initiate outbound network connections to arbitrary destinations. This enables internal network enumeration - discovering reachable hosts and open ports using the SOAR instance's network position, which is typically privileged within enterprise SOC environments. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires a valid account with the 'Administrator' role in Splunk SOAR On-premises - this is not a default user role and must be explicitly assigned per Splunk's role-based access control model (documented at https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.5.0/manage-your-splunk-soar-on-premises-users-and-accounts/manage-roles-and-permissions-in-splunk-soar-on-premises). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD-assigned CVSS score of 2.7 (Low) is appropriate and consistent with the actual risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who has obtained Splunk SOAR Administrator credentials - via phishing, credential stuffing, or lateral movement from a compromised SOC workstation - authenticates to the SOAR REST API and iterates through internal RFC-1918 address ranges and common port numbers using the /rest/support/connectivity/.../check_connectivity endpoint. The SOAR platform, which typically has broad internal network access to reach security tooling, acts as a proxy scanner, returning reachability status for each probe and mapping internal network segments otherwise unreachable from the attacker's position. … |
| Remediation | Upgrade Splunk SOAR to version 8.6.0 or later, as confirmed by the Splunk vendor advisory SVD-2026-0804 (https://advisory.splunk.com/advisories/SVD-2026-0804). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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