Copeland XWEB EVO up to 5.8.8 Authentication lualib_users.lua Users.authenticate hard-coded credentials

Summaryinfo

A vulnerability marked as very critical has been reported in Copeland XWEB EVO up to 5.8.8. The impacted element is the function Users.authenticate of the file lualib_users.lua of the component Authentication. This manipulation causes hard-coded credentials. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is handled as CVE-2026-124012. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Copeland XWEB EVO up to 5.8.8 and classified as very critical. Affected by this vulnerability is the function Users.authenticate of the file lualib_users.lua of the component Authentication. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

XWEB EVO 5.6.2 through 5.8.8 contains a hardcoded credential vulnerability where the Administrator web account is configured to use password_mode daily_password with no stored password, as the Users.authenticate function in lualib_users.lua synthesizes the Administrator configuration without validating any stored secret. Attackers who can derive the MAC-based daily password can authenticate as Administrator to obtain a full admin session on the device. This product line reached it's end of service date in March 2026.

It is possible to read the advisory at webapps.copeland.com. This vulnerability is known as CVE-2026-124012 since 11/06/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/12/2026). The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Copeland

Name

• XWEB EVO

Version

• 5.8.0
• 5.8.1
• 5.8.2
• 5.8.3
• 5.8.4
• 5.8.5
• 5.8.6
• 5.8.7
• 5.8.8

Support

• end of life

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