Improper Access Control in Splunk Enterprise

Description

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.

Scores

EPSS (exploitation in 30 days)

0.19% · top 91% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• CWE-284: The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor. (opens in a new tab)All about CWE-284 and its CVEs

Affected products

• Splunk · Splunk Enterprise

  • affected 10.2 – < 10.2.4
  • affected 10.0 – < 10.0.7

• Splunk · Splunk Cloud Platform

  • affected 10.3.2512 – < 10.3.2512.12
  • affected 10.2.2510 – < 10.2.2510.15
  • affected 10.1.2507 – < 10.1.2507.23
  • affected 10.0.2503 – < 10.0.2503.14
  • affected 9.3.2411 – < 9.3.2411.131

References (1)

• https://advisory.splunk.com/advisories/SVD-2026-0609 (opens in a new tab)

Sources

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

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2026-20259](https://trackcve.app/badge/CVE-2026-20259.svg)](https://trackcve.app/cve/CVE-2026-20259)

Record last updated 10 Jun 2026, 18:24 UTC.