CVE-2023-31580

MEDIUM
5.9
CVSS Score
Published: October 24, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:57 AM UTC
1 product affected across 1 vendorLight OAUTH2

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.1.27
Affected range stops below 2.1.27, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-295

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