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CVE-2025-20366 is an access control vulnerability in Splunk Enterprise and Splunk Cloud Platform that allows a low-privileged authenticated user without the admin or power roles to access sensitive results from an administrative search job running in the background. The issue affects Splunk Enterprise versions prior to 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions prior to 9.3.2411.111, 9.3.2408.119, and 9.2.2406.122. Exploitation requires the attacker to guess the unique Search ID associated with the background search job and then use that identifier to retrieve the job results. The flaw is effectively an authorization failure around access to search job artifacts, enabling disclosure of data generated by higher-privileged searches.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An access control vulnerability in Splunk background jobs that could expose sensitive search results.
A medium-severity information disclosure vulnerability in Splunk Enterprise and Cloud Platform allowing low-privileged users to access sensitive search results if they can guess the Search ID.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.