CVE-2026-20254
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Information Disclosure through External Content Restriction Bypass in Splunk Enterprise
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 when a higher-privileged user views it, bypassing the external content restriction through a Cascading Style Sheets (CSS) injection.<br><br>The Trusted Domains security check does not fully validate inline style attribute values, which can allow for outbound requests to untrusted domains and credential exfiltration when a victim views a crafted dashboard.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Splunk Enterprise
- Vendor
- Splunk
- Product
- Splunk Enterprise
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 10.2 | affected | custom | 10.2.4 | Unavailable | None listed |
| 10.0 | affected | custom | 10.0.7 | Unavailable | None listed |
| 9.4 | affected | custom | 9.4.12 | Unavailable | None listed |
| 9.3 | affected | custom | 9.3.13 | Unavailable | None listed |
Splunk Cloud Platform
- Vendor
- Splunk
- Product
- Splunk Cloud Platform
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 10.3.2512 | affected | custom | 10.3.2512.13 | Unavailable | None listed |
| 10.2.2510 | affected | custom | 10.2.2510.15 | Unavailable | None listed |
| 10.1.2507 | affected | custom | 10.1.2507.23 | Unavailable | None listed |
| 9.3.2411 | affected | custom | 9.3.2411.132 | Unavailable | None listed |