What is CVE-2026-20252?

CVE-2026-20252 is a high-severity vulnerability in Splunk, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-06-10.

How severe is CVE-2026-20252?

High severity. CVSS v3 base score is 7.6 out of 10.

SSRF in Splunk

CVE-2026-20252

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.4.2604.3, 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, a low-privileged user that does not hold the "admin"…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (27.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L.

Affected products

Splunk
Splunk Cloud Platform — versions 10.4.2604, 10.3.2512, 10.2.2510
Splunk Splunk_cloud_platform
Splunk Enterprise — versions 10.2, 10.0, 9.4

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20252?: CVE-2026-20252 is a high-severity vulnerability in Splunk, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-06-10.
How severe is CVE-2026-20252?: High severity. CVSS v3 base score is 7.6 out of 10.