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CVE-2026-3190 is an improper access control vulnerability in Keycloak affecting the User-Managed Access (UMA) 2.0 Protection API endpoint for permission tickets. The endpoint fails to enforce the required uma_protection role check when processing requests to enumerate permission tickets. As a result, any authenticated user holding a token issued for a resource server client can access permission ticket listings even if that user does not possess the uma_protection role that should gate this functionality. The flaw enables unauthorized enumeration of permission tickets across the system and results in partial information disclosure.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
uma_protection role.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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.