Loading vulnerability…
CVE-2026-20259 is an improper access control vulnerability in Splunk Enterprise and Splunk Cloud Platform. 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 holding a Splunk role that includes the high-privilege capability edit_saved_search_owner can reassign ownership of saved searches to users outside the user’s authorized scope. The vulnerable ownership reassignment endpoint does not enforce the intended authorization checks, allowing ownership changes beyond permitted boundaries.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
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.
edit_saved_search_owner capability to only fully trusted administrative roles, review role definitions and delegated administration boundaries, and monitor or audit saved search ownership changes for anomalous reassignment activity. Removing or tightly limiting this capability reduces exposure until patched versions are deployed.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.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Splunk vulnerability addressed in the June 11, 2026 security updates; specific technical details are not provided in the content.
An access control vulnerability that lets users with a specific capability improperly reassign saved search ownership beyond intended authorization boundaries.
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.