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CVE-2026-76310: The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor. in Splunk Splunk Enterprise

0
Critical
VulnerabilityCVE-2026-76310cvecve-2026-76310
Published: 08/19/2026 (08/19/2026, 21:34:20 UTC)
Source: CVE Database V5
Vendor/Project: Splunk
Product: Splunk Enterprise

Description

CVE-2026-76310 is a critical vulnerability in Splunk Enterprise that allows an unauthenticated user with an embedded report token to download the associated search job dispatch archive. This enables recovery of session material and access to all data available to the report owner, potentially allowing administrative actions if the owner has the admin role. The issue arises because embedded report access does not block REST API dispatch archive download requests. It affects versions prior to 10.4.2, 10.2.6, 10.0.9, and 9.4.14.

CVSS v3.1

Score 9.4critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected software

Affected versions
=10.4=10.2=10.0=9.4<10.4.2<10.2.6<10.0.9<9.4.14

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/19/2026, 22:52:34 UTC

Technical Analysis

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated attacker possessing an embedded report token can exploit insufficient access restrictions to download the search job dispatch archive via REST API. This archive contains session material that can be used to access all data accessible to the report owner, including performing administrative actions if the owner holds the admin role. The vulnerability stems from embedded report access not blocking REST API dispatch archive download requests, leading to unauthorized data access and potential system integrity compromise.

Potential Impact

An unauthenticated attacker can gain unauthorized access to sensitive data and system functions by leveraging embedded report tokens to download search job dispatch archives. This can lead to full data exposure available to the report owner and administrative control if the owner has admin privileges, severely impacting confidentiality, integrity, and availability of the Splunk Enterprise system.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict or disable embedded report tokens and carefully configure role-based access controls to limit exposure. Review Splunk documentation on additional configuration for embedded reports and role-based user access to mitigate risk.

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Technical Details

Data Version
5.2
Assigner Short Name
cisco
Date Reserved
2026-08-19T12:02:03.624Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a862251acd9273b49a6fda3

Added to database: 08/19/2026, 21:38:25 UTC

Last enriched: 08/19/2026, 22:52:34 UTC

Last updated: 08/20/2026, 01:48:54 UTC

Views: 4

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