CVE-2023-31580: light-oauth2 missing public key verification

October 25, 2023 (updated October 31, 2023)

light-oauth2 before version 2.1.27 obtains the public key without any verification. This could allow attackers to authenticate to the application with a crafted JWT token.

References

github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md
github.com/advisories/GHSA-mx47-h5fv-ghwh
github.com/networknt/light-oauth2/issues/369
nvd.nist.gov/vuln/detail/CVE-2023-31580

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