CVE-2026-21718CWE-327
Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm
Critical · published February 27, 2026
What it is
An authentication bypass vulnerability exists in Copeland XWEB Pro
version 1.12.1 and prior, enabling any attackers to bypass the
authentication requirement and achieve pre-authenticated code execution
on the system.
The record
Technical detail
- CVSS v3.1
- 10.0 · CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00446 · 37.7th percentile
- Weakness
- CWE-327 · Use of a Broken or Risky Cryptographic Algorithm
- Published
- 2026-02-27T00:34Z
EPSS history
Timeline