{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59105", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2026-07-02T15:47:36.964Z", "datePublished": "2026-11-06T14:09:15.360Z", "dateUpdated": "2026-11-06T15:21:25.878Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-11-06T14:20:45.175Z"}, "title": "Universal sysadmin credential vulnerability in Jumis", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1391", "description": "CWE-1391: Use of Weak Credentials", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-547", "description": "CWE-547 Use of hard-coded, security-relevant constants", "type": "CWE"}]}], "affected": [{"vendor": "Jumis Pro SIA", "product": "Jumis", "versions": [{"status": "affected", "version": "0", "lessThan": "TJ7.0.141.36", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Jumis (formerly Tildes Jumis) creates and uses a Microsoft SQL Server login named ##Tilde_JumisAdmin## whose password is derived deterministically from a single non-secret input - the SQL Server name (@@servername). The derivation algorithm is hard-coded in the client application and is identical across every installation; it contains a hard-coded secret key for entropy. Because the only input (the server name) is not secret - the instance suffix is hard-coded and the host name is discoverable via the SQL Server Browser service (UDP 1434), the TDS pre-login response, or DNS/NetBIOS - any party able to reach a Jumis SQL Server can compute the password offline and authenticate.\u00a0The ##Tilde_JumisAdmin## login is a member of the sysadmin server role. Successful authentication therefore grants full administrative control of the SQL Server instance and read/write access to every customer's accounting database hosted on it. The on-premise server installation also programmatically enables xp_cmdshell during routine operation, so sysadmin access escalates to operating-system command execution on the database server.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Jumis (formerly Tildes Jumis) creates and uses a Microsoft SQL Server login named ##Tilde_JumisAdmin## whose password is derived deterministically from a single non-secret input - the SQL Server name (@@servername). The derivation algorithm is hard-coded in the client application and is identical across every installation; it contains a hard-coded secret key for entropy. 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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,TJ7.0.141.36)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Jumis", "source": "cna", "vendor": "Jumis Pro SIA"}, "product": "jumis", "vendor": "jumis_pro_sia"}], "created": "2026-11-06T16:00:08.115479+00:00", "updated": "2026-11-06T16:33:50.577518+00:00", "vendors": ["jumis_pro_sia", "jumis_pro_sia$PRODUCT$jumis"]}