CVE-2026-56451CWE-347

A vulnerability has been identified in Opcenter X (All versions < V2604)

Critical · published July 14, 2026

CVSS v4.0
10.0
EPSS
0%
Percentile
41.8
In the wild
Unconfirmed
What it is

A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in the JSON Web Token (JWT) header.

This could allow an unauthenticated remote attacker to forge arbitrary JWT, bypass authentication mechanisms and impersonate any user including administrative accounts, potentially gaining full unauthorized access to the application.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:H/SA:H
EPSS
0.00498 · 41.8th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-07-14T09:19Z
EPSS history
Timeline
  • 14 JUL 09:19Z
    A vulnerability has been identified in Opcenter X (All versions < V2604)
    cvelistv5