CVE-2026-20238 — In Splunk AI Toolkit versions below 5.7.3, a low-privileged

CVE-2026-20238 — In Splunk AI Toolkit versions below 5.7.3, a low-privileged

CVE-2026-20238 — 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.

The app contains an `authorize.conf` configuration file wit

What This Means For You

  • If your environment is affected by CWE-863, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-20238 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1068 Privilege Escalation

Splunk AI Toolkit Unauthorized Data Access via srchFilter Override — CVE-2026-20238

Sigma YAML — free preview
title: Splunk AI Toolkit Unauthorized Data Access via srchFilter Override — CVE-2026-20238
id: scw-2026-05-20-ai-1
status: experimental
level: high
description: |
  Detects attempts to access confidential data by exploiting a vulnerability in Splunk AI Toolkit versions below 5.7.3. A low-privileged user can override `srchFilter` configurations on custom roles, allowing access to restricted data. This rule specifically looks for web requests targeting Splunk's search job export endpoint, which could be used to exfiltrate data after the filter override.
author: SCW Feed Engine (AI-generated)
date: 2026-05-20
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-20238/
tags:
  - attack.privilege_escalation
  - attack.t1068
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/en-US/splunkd/run'
      cs-uri-query|contains:
          - 'search/jobs/export'
      sc-status:
          - 200
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-20238 vulnerability CVE-2026-20238
CWE-863 weakness CWE-863
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 20, 2026 at 21:16 UTC

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