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CVE-2026-9791 is an incorrect authorization flaw in Keycloak affecting the handling of organization-related data after the Organizations feature has been disabled at the realm level. An authenticated user who already has organization membership can still access user-facing functionality, including the account API, or request an OpenID Connect token with the organization scope and receive organization metadata in responses or tokens. The flaw results in continued exposure of organization information despite an administrator having explicitly disabled the feature, indicating that feature-disable state is not consistently enforced across affected API and token-generation paths.
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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.
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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 and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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.