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Vulnerability Details :

CVE-2026-20238

Summary
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
Published At-20 May, 2026 | 16:32
Updated At-20 May, 2026 | 17:48
Rejected At-
Credits

Improper Access Control through Role Inheritance in Splunk AI Toolkit app

In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidential data that was restricted through `srchFilter` configurations on custom roles.<br><br>The app contains an `authorize.conf` configuration file with a `srchFilter` entry that modifies the built-in ‘user’ role. Because the Splunk platform combines inherited search filters with the `OR` SPL operator, the injected filter overrides more restrictive filters on child roles.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisco
Assigner Org ID:d1c1063e-7a18-46af-9102-31f8928bc633
Published At:20 May, 2026 | 16:32
Updated At:20 May, 2026 | 17:48
Rejected At:
▼CVE Numbering Authority (CNA)
Improper Access Control through Role Inheritance in Splunk AI Toolkit app

In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidential data that was restricted through `srchFilter` configurations on custom roles.<br><br>The app contains an `authorize.conf` configuration file with a `srchFilter` entry that modifies the built-in ‘user’ role. Because the Splunk platform combines inherited search filters with the `OR` SPL operator, the injected filter overrides more restrictive filters on child roles.

Affected Products
Vendor
Splunk LLC (Cisco Systems, Inc.)Splunk
Product
Splunk AI Toolkit
Versions
Affected
  • From 5.7 before 5.7.3 (custom)
Problem Types
TypeCWE IDDescription
cweCWE-863The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
Type: cwe
CWE ID: CWE-863
Description: The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Martin Muller, Splunk
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://advisory.splunk.com/advisories/SVD-2026-0502
N/A
Hyperlink: https://advisory.splunk.com/advisories/SVD-2026-0502
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:psirt@cisco.com
Published At:20 May, 2026 | 18:16
Updated At:26 May, 2026 | 12:45

In Splunk AI Toolkit versions below 5.7.3, a low-privileged user that does not hold the 'admin' or 'power' roles could access confidential data that was restricted through `srchFilter` configurations on custom roles.<br><br>The app contains an `authorize.conf` configuration file with a `srchFilter` entry that modifies the built-in ‘user’ role. Because the Splunk platform combines inherited search filters with the `OR` SPL operator, the injected filter overrides more restrictive filters on child roles.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CPE Matches

Splunk LLC (Cisco Systems, Inc.)
splunk
>>ai_toolkit>>Versions from 5.7.0(inclusive) to 5.7.3(exclusive)
cpe:2.3:a:splunk:ai_toolkit:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-863Primarypsirt@cisco.com
CWE ID: CWE-863
Type: Primary
Source: psirt@cisco.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://advisory.splunk.com/advisories/SVD-2026-0502psirt@cisco.com
Mitigation
Vendor Advisory
Hyperlink: https://advisory.splunk.com/advisories/SVD-2026-0502
Source: psirt@cisco.com
Resource:
Mitigation
Vendor Advisory

Change History

0
Information is not available yet

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CWE ID-CWE-863
Incorrect Authorization
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