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Case File

CVE-2016-5431

HIGH · CVSS 7.5 EPSS 0.93% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-08-07 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2016-5431
Severity
HIGH
CVSS
7.5
EPSS
0.93%

Original NVD Description

The PHP JOSE Library by Gree Inc. before version 2.2.1 is vulnerable to key confusion/algorithm substitution in the JWS component resulting in bypassing the signature verification via crafted tokens.