CVE-2026-3204

{"id": "CVE-2026-3204", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3204", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-04T14:44:58.338119Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@devolutions.net", "affectedData": [{"vendor": "Devolutions", "product": "Server", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2025.3.16"}], "defaultStatus": "unaffected"}]}], "published": "2026-03-03T22:16:29.397", "references": [{"url": "https://devolutions.net/security/advisories/DEVO-2026-0005", "tags": ["Vendor Advisory"], "source": "security@devolutions.net"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@devolutions.net", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "Improper\n input validation in the error message page in Devolutions Server 2025.3.16 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL."}, {"lang": "es", "value": "Validaci\u00f3n de entrada incorrecta en la p\u00e1gina de mensajes de error en Devolutions Server 2025.3.15 y versiones anteriores permite a atacantes remotos suplantar el mensaje de error mostrado a trav\u00e9s de una URL especialmente dise\u00f1ada."}], "lastModified": "2026-06-17T10:43:12.377", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5D67D29F-A563-4D85-ACBD-031E6319AD93", "versionEndIncluding": "2025.3.16.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@devolutions.net"}