CVSS 3.1
5.9 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2023-31580
Medium (5.9) in networknt light-oauth2. EPSS 0.7% chance of exploitation in the next 30 days. Fixed in com.networknt:light-oauth2 2.1.27.
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.
Severity
- EPSS
- 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
- CWE
- CWE-295
- Published
- Modified
- Record from
- the NVD, synced
Affected
- networknt:light-oauth2
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-mx47-h5fv-ghwh | Maven | com.networknt:light-oauth2 | <2.1.27 | 2.1.27 |
References
- https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md
- https://github.com/networknt/light-oauth2/issues/369
- https://github.com/KANIXB/JWTIssues/blob/main/Certification%20Verification%20issue%20in%20light-oauth2.md
- https://github.com/networknt/light-oauth2/issues/369