CVE-2026-20259 json
Improper Access Control in Splunk Enterprise
published 2026-06-10 4 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-36084
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Splunk Splunk Enterprise 10.0.7, 10.2.4
- Splunk Splunk Cloud Platform 9.3.2411.131, 10.0.2503.14, 10.1.2507.23, 10.2.2510.15, 10.3.2512.12
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N |
Affected products
- Splunk Splunk Enterprise
- Splunk Splunk Cloud Platform
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
advisory.splunk.com
/advisories/SVD-2026-0609
vendor-advisory
Sources
- CVE List CVE-2026-20259
- NVD CVE-2026-20259
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.