CVE-2026-37233

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mosaic5g:flexric:2.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "CFFCACEE-04A8-438A-A0BA-5C1D57943CF0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FlexRIC v2.0.0 contains an authorization bypass in the iApp's xApp isolation mechanism. The equality function eq_xapp_ric_gen_id() in src/ric/iApp/xapp_ric_id.c compares m0->xapp_id against itself (m0->xapp_id) instead of the other argument (m1->xapp_id), effectively ignoring the xApp identity dimension. A malicious xApp connected to the iApp (port 36422) can delete any other xApp's subscriptions by sending an E42_RIC_SUBSCRIPTION_DELETE_REQUEST with a matching ric_gen_id. This breaks multi-tenant isolation in any deployment with multiple xApps sharing the same RIC."}, {"lang": "es", "value": "FlexRIC v2.0.0 contiene una omisi\u00f3n de autorizaci\u00f3n en el mecanismo de aislamiento de xApp de la iApp. La funci\u00f3n de igualdad eq_xapp_ric_gen_id() en src/ric/iApp/xapp_ric_id.c compara m0->xapp_id consigo mismo (m0->xapp_id) en lugar del otro argumento (m1->xapp_id), ignorando efectivamente la dimensi\u00f3n de identidad de xApp. Una xApp maliciosa conectada a la iApp (puerto 36422) puede eliminar las suscripciones de cualquier otra xApp enviando una E42_RIC_SUBSCRIPTION_DELETE_REQUEST con un ric_gen_id coincidente. Esto rompe el aislamiento multi-inquilino en cualquier despliegue con m\u00faltiples xApps compartiendo el mismo RIC."}], "id": "CVE-2026-37233", "lastModified": "2026-07-22T07:10:00.107", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-37233", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-02T15:29:14.338927Z", "version": "2.0.3"}}]}, "published": "2026-06-01T19:16:33.743", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://github.com/MinamiKotor1/oran-security-advisories-zhongnan-luo/blob/main/advisories/CVE-2026-37233.md"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://gitlab.eurecom.fr/mosaic5g/flexric"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.0.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "flexric", "vendor": "mosaic5g"}], "created": "2026-06-01T20:30:17.070779+00:00", "title": "Authorization Bypass in FlexRIC v2.0.0 Enables Deletion of Other xApp Subscriptions", "updated": "2026-06-02T20:55:16.209407+00:00", "vendors": ["mosaic5g", "mosaic5g$PRODUCT$flexric"]}