CVE Explorer
CVE-2026-46419
Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"webauthn-server-core","vendor":"Yubico","versions":[{"lessThan":"2.8.2","status":"affected","version":"2.8.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:10664757747c87e87cc1c856107c4ab11bff59f776f2eabe8aaabb35f4c214da · sha256:8fe3d1db3946128c… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:10664757747c87e87cc1c856107c4ab11bff59f776f2eabe8aaabb35f4c214da · sha256:8fe3d1db3946128c… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-253","description":"CWE-253 Incorrect Check of Function Return Value","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:10664757747c87e87cc1c856107c4ab11bff59f776f2eabe8aaabb35f4c214da · sha256:8fe3d1db3946128c… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://github.com/Yubico/java-webauthn-server/releases/tag/2.8.2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:10664757747c87e87cc1c856107c4ab11bff59f776f2eabe8aaabb35f4c214da · sha256:8fe3d1db3946128c… · /containers/cna/references/1
{"url":"https://www.yubico.com/support/security-advisories/ysa-2026-02/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:10664757747c87e87cc1c856107c4ab11bff59f776f2eabe8aaabb35f4c214da · sha256:8fe3d1db3946128c… · /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.