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        "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "state": "PUBLISHED",
        "assignerShortName": "synology",
        "dateReserved": "2026-04-14T01:01:14.607Z",
        "datePublished": "2026-08-28T07:07:24.049Z",
        "dateUpdated": "2026-08-28T11:44:42.311Z"
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                            "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "cweId": "CWE-79",
                            "type": "CWE"
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                    "vendor": "Synology",
                    "product": "Synology Chat Server",
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                        "baseSeverity": "CRITICAL",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
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            "references": [
                {
                    "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_26_10",
                    "name": "Synology-SA-26:10 Synology Chat Server",
                    "tags": [
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            "credits": [
                {
                    "lang": "en",
                    "value": "Lam Jun Rong and Javier Koh, Cyber Specialists of the Digital and Intelligence Service (DIS) working with the Centre for Strategic Infocomm Technologies (CSIT) and Dr Joseph Teo, CSIT",
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            "providerMetadata": {
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                            "content": {
                                "timestamp": "2026-08-28T11:31:57.261097Z",
                                "id": "CVE-2026-40541",
                                "options": [
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                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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