Splunk SOAR up to 8.5.x REST API permission

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.94

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Splunk SOAR up to 8.5.x. This issue affects some unknown processing of the component REST API. The manipulation leads to permission. This vulnerability is referenced as CVE-2026-76370. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Splunk SOAR up to 8.5.x and classified as problematic. This issue affects an unknown functionality of the component REST API. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality. The summary by CVE is:

In Splunk SOAR versions below 8.6.0, an authenticated user with restricted tenant access could use the Representational State Transfer (REST) API to view the names and identifiers of tenants that fall outside the role scope for that user. The vulnerability is possible because Splunk SOAR does not enforce role-based tenant restrictions when it returns tenant information through the REST API in deployments with multi-tenancy turned on. For more information see REST Roles and Permissions (https://help.splunk.com/en/splunk-soar/soar-cloud/rest-api-reference/role-management-endpoints/rest-roles-and-permissions) and Configure multiple tenants on your Splunk SOAR (On-premises) instance (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/7.1.0/configure-product-settings-for-your-splunk-soar-on-premises-instance/configure-multiple-tenants-on-your-splunk-soar-on-premises-instance) in the Splunk documentation.

The advisory is shared at advisory.splunk.com. The identification of this vulnerability is CVE-2026-76370 since 08/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 8.6.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (cisco): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SOAR 8.6.0

Timelineinfo

08/19/2026 Advisory disclosed
08/19/2026 +0 days CVE reserved
08/19/2026 +0 days VulDB entry created
08/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: advisory.splunk.com
Status: Confirmed

CVE: CVE-2026-76370 (🔒)
GCVE (CVE): GCVE-0-2026-76370
GCVE (VulDB): GCVE-100-393485

Entryinfo

Created: 08/19/2026 23:58
Changes: 08/19/2026 23:58 (64)
Complete: 🔍
Cache ID: 216::103

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