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TI-2023-15125 Aliases CVE-2023-31580GHSA-mx47-h5fv-ghwh

light-oauth2 before version 2.1.27 obtains the public key without any verification.

Priority MEDIUM 60CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing, Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295 and CWE-347.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00686 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed com.networknt:light-oauth2 (Maven): 2.1.27

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.networknt:light-oauth2 (Maven)before 2.1.272.1.27Patch availableGHSA-mx47-h5fv-ghwh
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.networknt:light-oauth2 (Maven) Vendor— Affected before 2.1.27 Fixed in 2.1.27 Patch available GHSA-mx47-h5fv-ghwh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:networknt:light-oauth2:*:*:*:*:*:*:*:*before 2.1.27Vulnerablenetworknt
  • cpe:2.3:a:networknt:light-oauth2:*:*:*:*:*:*:*:* Versions before 2.1.27 Vulnerable ·networknt

Remediation

  • Fix · GHSA-mx47-h5fv-ghwh com.networknt:light-oauth2 (Maven) Fixed in 2.1.27 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-31580
  2. 2026-10-03 Alias added: GHSA-mx47-h5fv-ghwh
  3. 2026-10-26 EPSS moved to the 50th–90th percentile

References

Exploit 1

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences