CVE-2026-42097CWE-639

Authentication Bypass in Sparx Pro Cloud Server

Critical · published May 19, 2026

CVSS v4.0
9.3
EPSS
1%
Percentile
59.6
In the wild
Unconfirmed
What it is

Sparx Pro Cloud Server requires authentication based on requested URL. An attacker can omit the "model" query parameter and send the model name only in the binary blob in POST request allowing SQL query execution without authentication.

The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.1 (build 167) and below were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS
0.00910 · 59.6th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-05-19T12:59Z
EPSS history
Timeline
  • 19 MAY 12:59Z
    Authentication Bypass in Sparx Pro Cloud Server
    cvelistv5