{"apiVersion":"1.0","identifier":"CVE-2026-75845","description":"ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the set_server_setting MCP server-level tool. SetServerSettingTool.execute() gates only on the global allowAdmin flag and never checks the caller-s role, so in an MCP deployment with allowAdmin=true and a non-root allowedUsers set, any authenticated read-only user can invoke set_server_setting to modify server GlobalConfiguration, enabling configuration tampering or denial of service. The issue is fixed in 26.8.1.","publishedAt":"2026-08-18T12:19:35","lastModifiedAt":"2026-08-18T15:17:14","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75845","cvssScore":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","epssProbability":0.00209,"riskScore":0.64,"affectedProduct":"ArcadeDB","affectedVersions":">=26.4.2,<26.8.1","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-75845","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-75845","en":"https://www.redsauce.net/en/cves/CVE-2026-75845","fr":"https://www.redsauce.net/fr/cves/CVE-2026-75845","pt":"https://www.redsauce.net/pt/cves/CVE-2026-75845","de":"https://www.redsauce.net/de/cves/CVE-2026-75845","sk":"https://www.redsauce.net/sk/cves/CVE-2026-75845","el":"https://www.redsauce.net/el/cves/CVE-2026-75845"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-75845"}}