EUVD-2026-36083
GHSA-hw35-mvfj-v86g
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
Classic dashboard URL validation bypass in Splunk Enterprise and Splunk Cloud Platform enables low-privileged authenticated users to craft dashboards that silently exfiltrate sensitive data to attacker-controlled external servers. The flaw (CWE-20) resides in the external content dialog, which fails to enforce complete domain restrictions, allowing outbound requests to untrusted hosts when a victim interacts with the malicious dashboard. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a valid Splunk account with at least low-level privilege (PR:L per CVSS vector), but specifically must NOT hold the 'admin' or 'power' Splunk roles - these are the excluded tiers, meaning the vulnerable actor class is standard low-privileged users such as basic analysts or read-only accounts with dashboard creation rights. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 5.7 (Medium) is contextually appropriate given the PR:L (low privilege required) and UI:R (user interaction required) constraints that gate exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker holding a low-privileged Splunk account (absent 'admin' or 'power' roles) constructs a classic dashboard embedding an external content element with a crafted URL pointing to an attacker-controlled server. The attacker then socially engineers or phishes a higher-privileged victim user into viewing the dashboard, triggering an outbound HTTP request that carries sensitive Splunk data - such as search results containing log data, credentials, or tokens - to the external server. … |
| Remediation | The primary fix is to upgrade Splunk Enterprise to versions 10.2.4, 10.0.7, 9.4.12, or 9.3.13 depending on the installed release branch, and Splunk Cloud Platform to 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, or 9.3.2411.132 respectively, per vendor advisory SVD-2026-0605 at https://advisory.splunk.com/advisories/SVD-2026-0605. … Detailed patch versions, workarounds, and compensating controls in full report. |
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