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9.8
Copeland XWEB Pro: Unauthenticated Access to Sensitive Data
CVE-2026-25085
Summary
A security issue in Copeland XWEB Pro version 1.12.1 and earlier allows attackers to bypass authentication checks, potentially gaining access to sensitive data. This means unauthorized users may be able to access and view confidential information they shouldn't be able to see. Update to the latest version of Copeland XWEB Pro to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| copeland | xweb_500b_pro_firmware | <= 1.12.1 | – |
| copeland | xweb_300d_pro_firmware | <= 1.12.1 | – |
| copeland | xweb_500d_pro_firmware | <= 1.12.1 | – |
Original title
A vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, in
which an unexpected return value from the authentication routine is
later on processed as a legitimate value, resulting in...
Original description
A vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, in
which an unexpected return value from the authentication routine is
later on processed as a legitimate value, resulting in an authentication
bypass.
which an unexpected return value from the authentication routine is
later on processed as a legitimate value, resulting in an authentication
bypass.
nvd CVSS3.1
8.6
Vulnerability type
CWE-394
Published: 27 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026