CVE-2026-20259

MEDIUMCVSS 5.5/10EPSS 0.19%

Last modified

CVE-2026-20259 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

EPSS Probability
0.19%

8.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SplunkSplunk>= 10.0.0, < 10.0.7
SplunkSplunk>= 10.2.0, < 10.2.4
SplunkSplunk Cloud Platform>= 9.3.2411, < 9.3.2411.131
SplunkSplunk Cloud Platform>= 10.0.2503, < 10.0.2503.14
SplunkSplunk Cloud Platform>= 10.1.2507, < 10.1.2507.23
SplunkSplunk Cloud Platform>= 10.2.2510, < 10.2.2510.15
SplunkSplunk Cloud Platform>= 10.3.2512, < 10.3.2512.12

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20259?
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.
How severe is CVE-2026-20259?
CVE-2026-20259 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20259?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20259?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST