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Medium severity6.8NVD Advisory· Published Feb 18, 2026· Updated Jun 17, 2026

CVE-2026-20138

CVE-2026-20138

Description

In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.9, and 9.2.11, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the Splunk _internal index could view the integrationKey, secretKey, and appSecretKey secrets, generated by Duo Two-Factor Authentication for Splunk Enterprise, in plain text.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Splunk/Splunk
    cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
    Range: >=9.2.0,<9.2.11
  • Splunk/Splunk Enterprisellm-fuzzy2 versions
    <10.2.0, <10.0.2, <9.4.7, <9.3.9, <9.2.11+ 1 more
    • (no CPE)range: <10.2.0, <10.0.2, <9.4.7, <9.3.9, <9.2.11
    • (no CPE)range: 10.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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