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CVE-2026-124003

Dixell/Copeland XWEB Setuid Lua CGI Root Command Injection

Products / packages Copeland XWEB EVO

Published

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Unsupported when assigned

VulnCheck marked the affected products as already unsupported when this CVE was assigned. A patch may not be available. Review the vendor references for migration or mitigation guidance.

This tag describes support at assignment time, not current support for every related product.

Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 23:35:33 UTC
VulnCheck · CVSS:4.0 · 8.5
Assessment vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
VulnCheck · CVSS:3.1 · 7.8
Assessment vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The headline uses the highest imported catalog score. Assessments can differ by source and CVSS version.

Severity

high8.5

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Exploit reference published

Source-linked evidence; not proof of attacks in the wild or independent validation.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

XWEB EVO before 5.6.2 contains a command injection vulnerability where the setuid-root Lua CGI interpreter wlua executes system("/usr/bin/lua "+argv) on unsanitized input. Attackers can craft malicious input reached through a .lua CGI endpoint to inject arbitrary commands into the concatenated argv string, achieving command execution with root privileges. This product line reached it's end of service date in March 2026.

Source excerpt · VulnCheck

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Copeland · VulnCheck

XWEB EVO

2 ranges
VulnCheck version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 5.6.2

semver versions

unaffected

5.6.2

semver versions

unknown

Other versions: unaffected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

The sources identify public exploit references. We have not independently tested them; their availability does not establish exploitation in the wild.

www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root ↗Attributed to VulnCheck

Original source description

Read the full publisher description

XWEB EVO before 5.6.2 contains a command injection vulnerability where the setuid-root Lua CGI interpreter wlua executes system("/usr/bin/lua "+argv) on unsanitized input. Attackers can craft malicious input reached through a .lua CGI endpoint to inject arbitrary commands into the concatenated argv string, achieving command execution with root privileges. This product line reached it's end of service date in March 2026.

References

4 sources
webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
PatchVulnCheck
webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB EVO EoS - Product_Bulletin_March_2026.pdf
Vendor advisoryVulnCheck
www.vulncheck.com/advisories/dixell-copeland-xweb-evo-setuid-lua-cgi-root-command-injection
Security advisoryVulnCheck
www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root
Public exploit referenceVulnCheck

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-124003

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-250 ↗

Execution with Unnecessary Privileges

VulnCheck

Related →
Contributing organizations · 2
VulnCheck

Assigning organization

2026-11-13
CISA-ADP

Additional data publisher

2026-11-13

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
  1. CVE · CVE-2026-124003

    Observed 2026-11-13T15:07:52.187Z · upstream updated 2026-11-13T14:33:36.388Z

    References changed

    before

    [
  "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",
  "https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-setuid-lua-cgi-root-command-injection"
]

    after

    [
  "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",
  "https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-setuid-lua-cgi-root-command-injection",
  "https://www.vulncheck.com/blog/copeland-xweb-evo-unauthenticated-root"
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.