{"id":"CVE-2026-75003","title":"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.","summary":"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-669"],"vendor":"roundcube","product":"webmail","affected":["webmail >= 1.6.0, < 1.6.18","webmail >= 1.7.0, < 1.7.3"],"patched":["webmail 1.7.3"],"published":"2026-08-17","updated":"2026-09-10","sourceUpdated":"2026-09-10T19:18:27.853","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75003","references":[{"url":"https://github.com/roundcube/roundcubemail/commit/1cebea03474305d9f75a9a33d30880d290b5591b","label":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/commit/440277c32e6d84f3d116153af1cc8454361a8a56","label":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.18","label":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.3","label":"cve@mitre.org"},{"url":"https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-08-17T00:00:00+00:00"},"ingestedAt":"2026-09-13T11:08:06.822Z","epss":0.00394,"epssPercentile":0.33295,"slug":"CVE-2026-75003","body":"## Overview\n\nIn Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.\n\n## Affected\n\n- `webmail >= 1.6.0, < 1.6.18`\n- `webmail >= 1.7.0, < 1.7.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `webmail 1.7.3`","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":31.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}