Medium severity · published Jun 10, 2026
CVE-2026-20259
Improper Access Control in Splunk Enterprise
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Splunk Cloud Platform · Splunk
10.3.2512 before 10.3.2512.12; 10.2.2510 before 10.2.2510.15; 10.1.2507 before 10.1.2507.23; 10.0.2503 before 10.0.2503.14; 9.3.2411 before 9.3.2411.131 · source: vendor, NVD
SE
Splunk Enterprise · Splunk
10.2 before 10.2.4; 10.0 before 10.0.7 · source: vendor
SP
Splunk · Splunk
10.0.0 before 10.0.7; 10.2.0 before 10.2.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20259
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20259
Vendor Advisory
https://advisory.splunk.com/advisories/SVD-2026-0609
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