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Medium severity5.7NVD Advisory· Published Jun 10, 2026· Updated Jun 15, 2026

CVE-2026-20255

CVE-2026-20255

Description

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious classic dashboard that exfiltrates sensitive data to an external server.

The vulnerability exists because URL validation on the external content dialog is incomplete, which can allow for requests to untrusted domains when a user interacts with a crafted dashboard.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Splunk/Splunk Cloud Platform2 versions
    cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*range: >=9.3.2411,<9.3.2411.132
    • (no CPE)range: <10.3.2512.13, <10.2.2510.15, <10.1.2507.23, <9.3.2411.132
  • Splunk/Splunk
    cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
    Range: >=9.3.0,<9.3.13
  • Splunk/Splunk Enterprisellm-fuzzy
    Range: <10.2.4, <10.0.7, <9.4.12, <9.3.13

Patches

Vulnerability mechanics

References

1

News mentions

2