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3165 articles · 162184 vulns · 38/41 feeds (7d)
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5.7
CVE-2026-20256EXPLOITEDPATCHED
splunk · splunk enterpri

Improper Input Validation through Protocol-Relative URL in Classic Dashboards in Splunk Enterprise

Description

A vulnerability was found in Splunk Enterprise and Cloud Platform. It has been declared as problematic. The affected element is an unknown function of the component Relative URL Handler. Executing a manipulation can lead to open redirect. This vulnerability is tracked as CVE-2026-20256. The attack can be launched remotely.

Affected Products

VendorProductVersions
splunksplunk enterpri10.2, 10.0, 9.4, 9.3, 10.3.2512, 10.2.2510, 10.1.2507, 9.3.2411

References

  • https://advisory.splunk.com/advisories/SVD-2026-0606

Related News (1 articles)

Tier C
VulDB2h ago
CVE-2026-20256 | Splunk Enterprise/Cloud Platform Relative URL redirect (SVD-2026-0606)
→ No new info (linked only)
CVSS 3.15.7 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
10.2.410.0.79.4.129.3.1310.3.2512.1310.2.2510.1510.1.2507.239.3.2411.132
CWECWE-20
PublishedJun 10, 2026
Last enriched2h agov2
Trending Score48
Source articles2
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-20251EXP
Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway
Trending: 67
CRITICALCVE-2026-20259EXP
Improper Access Control in Splunk Enterprise
Trending: 51
CRITICALCVE-2026-20252EXP
Server-Side Request Forgery (SSRF) through Dashboard Studio PDF Export in Splunk Enterprise
Trending: 51
CRITICALCVE-2026-20254EXP
Information Disclosure through External Content Restriction Bypass in Splunk Enterprise
Trending: 51
HIGHCVE-2026-20257EXP
Improper Input Validation through Classic Dashboard CSS in Splunk Enterprise
Trending: 48

Pin to Dashboard

Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jun 10, 2026
Discovered by ZDM
Jun 10, 2026
Actively Exploited
Jun 10, 2026
Patch Available
Jun 10, 2026
Updated: description, severity, activelyExploited
Jun 10, 2026

Version History

v2
Last enriched 2h ago
v2Tier C2h ago

Updated description with new details, changed severity to HIGH, and marked the vulnerability as actively exploited.

descriptionseverityactivelyExploited
via VulDB
v14h ago

Initial creation