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CVE-2026-20144

Sensitive Information Disclosure in ''_internal'' index in Splunk Enterprise

Description

In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, and Splunk Cloud Platform versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the the Splunk _internal index could view the Security Assertion Markup Language (SAML) configurations for Attribute query requests (AQRs) or Authentication extensions in plain text within the conf.log file, depending on which feature is configured.

Timeline

  1. ID reserved

    By cisco

  2. · 4 months later

    Published

  3. · 8 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-20144, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1Medium6.8CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1Medium4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.35% · top 71% of all CVEs (11 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Affected products

  • Splunk · Splunk Enterprise

    • affected 10.0 – < 10.0.2
    • affected 9.4 – < 9.4.7
    • affected 9.3 – < 9.3.8
    • affected 9.2 – < 9.2.11

  • Splunk · Splunk Cloud Platform

    • affected 10.1.2507 – < 10.1.2507.11
    • affected 10.0.2503 – < 10.0.2503.9
    • affected 9.3.2411 – < 9.3.2411.120

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .