{"affected":[{"defaultStatus":"unaffected","product":"XWEB EVO","source":"CNA: VulnCheck","vendor":"Copeland","versions":[{"lessThanOrEqual":"5.8.8","status":"affected","version":"4.3.0","versionType":"semver"}]}],"cveId":"CVE-2026-124014","cwes":["CWE-306"],"description":"XWEB EVO 4.3.0 through 5.8.8 contains an unauthenticated arbitrary file write vulnerability that allows remote attackers to modify the system configuration file /etc/xwebconfig.json by sending a crafted POST request to config.lua with action=set, which performs no session validation and writes the raw, unvalidated request body. Attackers can tamper with configuration values such as model and plugin fields or trigger a SYSTEM_NOT_CONFIGURED state via the unauthenticated action=get and action=set operations, resulting in configuration tampering and denial of service. This product line reached it's end of service date in March 2026.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":9.1,"severity":"critical","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}],"modifiedAt":1794514216485,"publishedAt":1794513959683,"references":[{"source":"CNA: VulnCheck","tags":["patch","product"],"url":"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"},{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://webapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdf"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/dixell-copeland-xweb-evo-unauthenticated-configuration-write-via-config-lua"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate"}],"revision":"dc35cbc382186ce4d851d393368edf77932ed3437ae790e6831fc7a9bdaf5f97","sources":[{"modifiedAt":1794514216485,"name":"CNA: VulnCheck","retrievedAt":1794517741032,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124014"}],"ssvc":null,"status":"published","title":"Dixell/Copeland XWEB EVO Unauthenticated Configuration Write via config.lua","updatedAt":1794517741032}