CVE-2026-20259 Vulnerability Analysis & Exploit Details

CVE-2026-20259
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2026-20259 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-20259 Details

Status: Analyzed

Last updated: 🕢 12 Jun 2026, 19:50 UTC
Originally published on: 🕕 10 Jun 2026, 18:16 UTC

Time between publication and last update: 2 days

CVSS Release: version 3

CVSS3 Source

psirt@cisco.com

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

CVE-2026-20259 Vulnerability Summary

CVE-2026-20259: In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.0, 10.3.2512.12, 10.2.2510.15, 10.1.2507.23, 10.0.2503.14, and 9.3.2411.131, a user who holds a Splunk role that contains the high-privilege capability `edit_saved_search_owner` could reassign saved search ownership to users outside their authorized scope. The ownership reassignment endpoint lacks access control.

Assessing the Risk of CVE-2026-20259

Access Complexity Graph

The exploitability of CVE-2026-20259 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-20259

The exploitability of CVE-2026-20259 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-20259, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-20259, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-20259 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: Low
    Exploiting CVE-2026-20259 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-20259 does not impact system availability.

CVE-2026-20259 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:splunk:splunk:10.0.0:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.0:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.0.1:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.1:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.0.2:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.2:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.0.3:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.3:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.0.4:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.4:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.0.5:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.0.5:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.2.0:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.2.1:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.2.1:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk:10.2.2:*:*:*:enterprise:*:*:*
    cpe:2.3:a:splunk:splunk:10.2.2:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.102:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.102:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.103:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.103:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.104:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.104:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.107:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.107:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.108:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.108:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.109:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.109:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.111:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.111:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.112:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.112:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.116:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.116:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.117:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.117:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.120:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.120:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.121:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.121:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.123:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.123:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.124:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.124:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.127:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:9.3.2411.127:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.5:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.5:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.6:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.6:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.7:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.7:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.8:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.8:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.9:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.9:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.10:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.10:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.11:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.11:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.12:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.12:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.13:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.0.2503.13:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.1:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.1:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.4:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.4:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.6:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.6:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.8:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.8:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.10:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.10:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.11:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.11:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.12:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.12:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.15:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.15:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.16:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.16:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.17:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.17:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.19:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.19:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.20:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.1.2507.20:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.3:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.3:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.4:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.4:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.5:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.5:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.7:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.7:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.9:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.9:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.10:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.2.2510.10:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512.5:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512.5:*:*:*:*:*:*:*
  • cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512.6:*:*:*:*:*:*:*
    cpe:2.3:a:splunk:splunk_cloud_platform:10.3.2512.6:*:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2026-20259: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-48777 – FileBrowser Quantum is a free, self-hosted, web-based file manager. Versions prior to 1.3.2-stable, 1.4.0-beta and 1.4.1-beta are vulnerable to Pat...
  • CVE-2026-47750 – stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In...
  • CVE-2026-47747 – stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. In...
  • CVE-2026-46448 – In OpenStack Nova before 33.0.2, the server create API does not strip certain hint data. The resulting instance has no Placement allocation.
  • CVE-2026-22313 – The device has a webserver that exposes a REST API authenticated with a token on the management network. By exploiting an OS command injection vuln...