{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49998", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-02T18:30:51.283Z", "datePublished": "2026-07-16T19:33:33.147Z", "dateUpdated": "2026-07-16T19:33:33.147Z"}, "containers": {"cna": {"title": "Centrifugo: Dynamic JWKS key cache keyed only by `kid` allows cross-issuer JWT authentication bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "lang": "en", "description": "CWE-347: Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/centrifugal/centrifugo/security/advisories/GHSA-g6vg-wj8f-48cj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/centrifugal/centrifugo/security/advisories/GHSA-g6vg-wj8f-48cj"}, {"name": "https://github.com/centrifugal/centrifugo/pull/1142", "tags": ["x_refsource_MISC"], "url": "https://github.com/centrifugal/centrifugo/pull/1142"}, {"name": "https://github.com/centrifugal/centrifugo/commit/15d785015c6f318c1b68ea40b813699c9f8bd2c4", "tags": ["x_refsource_MISC"], "url": "https://github.com/centrifugal/centrifugo/commit/15d785015c6f318c1b68ea40b813699c9f8bd2c4"}, {"name": "https://github.com/centrifugal/centrifugo/releases/tag/v6.8.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/centrifugal/centrifugo/releases/tag/v6.8.1"}], "affected": [{"vendor": "centrifugal", "product": "centrifugo", "versions": [{"version": "< 6.8.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-16T19:33:33.147Z"}, "descriptions": [{"lang": "en", "value": "Centrifugo is an open-source scalable real-time messaging server. Prior to 6.8.1, Centrifugo dynamic JWKS endpoint verification could reuse a key for one allowed issuer to verify a JWT for another allowed issuer because the JWKS cache and singleflight lookup were keyed only by JWT header kid, not by the resolved JWKS endpoint, issuer, audience, or trust-domain namespace, affecting client.token.jwks_public_endpoint, client.subscription_token.jwks_public_endpoint, internal/jwks/cache.go, and internal/jwks/manager.go. This issue is fixed in version 6.8.1."}], "source": {"advisory": "GHSA-g6vg-wj8f-48cj", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.8.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "centrifugo", "source": "cna", "vendor": "centrifugal"}, "product": "centrifugo", "vendor": "centrifugal"}], "created": "2026-07-16T20:30:05.156988+00:00", "updated": "2026-07-16T20:30:05.157015+00:00", "vendors": ["centrifugal", "centrifugal$PRODUCT$centrifugo"]}