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CVE-2026-49998

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 inter
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:51378aa0eecd31a23a5c04382fa2ecf026d75e9775576565f08b3ad017b49e8e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"centrifugo","vendor":"centrifugal","versions":[{"status":"affected","version":"< 6.8.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"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"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/centrifugal/centrifugo/commit/15d785015c6f318c1b68ea40b813699c9f8bd2c4","tags":["x_refsource_MISC"],"url":"https://github.com/centrifugal/centrifugo/commit/15d785015c6f318c1b68ea40b813699c9f8bd2c4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/references/2
{"name":"https://github.com/centrifugal/centrifugo/pull/1142","tags":["x_refsource_MISC"],"url":"https://github.com/centrifugal/centrifugo/pull/1142"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/references/1
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/centrifugal/centrifugo/security/advisories/GHSA-g6vg-wj8f-48cj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/adp/0/references/0
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0874c3db4f911e4351b2536c2ad99d1afbcd5144700d9986da58a179a3b07cbf · sha256:21694adb18c4a6da… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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