Bug 2460447 (CVE-2026-41131)

Summary: CVE-2026-41131 openfga: OpenFGA: Incorrect authorization decisions due to cache key collision
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: alcohan, amctagga, aoconnor, bniver, flucifre, gmeno, gparvin, groman, jbalunas, mbenjamin, mhackett, pahickey, rhaigner, sostapov, vereddy
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenFGA, an authorization and permission engine. When certain authorization models use conditions with caching enabled, the system can incorrectly generate the same cache key for different requests. This error causes OpenFGA to reuse an outdated authorization decision, potentially leading to incorrect access controls. Such a flaw could allow an attacker to gain unauthorized access to information, perform unauthorized actions, or disrupt service availability.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-04-22 00:02:01 UTC
OpenFGA is an authorization/permission engine built for developers. Prior to version 1.14.1, in specific scenarios, models using conditions with caching enabled can result in two different check requests producing the same cache key. This could result in OpenFGA reusing an earlier cached result for a subsequent request. The preconditions for vulnerability are the model having relations which rely on condition evaluation and the user having caching enabled. OpenFGA v1.14.1 contains a fix.