{"id":"CVE-2026-75002","title":"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.","summary":"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","cwe":["CWE-77"],"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":"2026-09-08","sourceUpdated":"2026-09-08T18:59:00.907","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-75002","references":[{"url":"https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad","label":"cve@mitre.org"},{"url":"https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea","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"],"epss":0.01356,"epssPercentile":0.69975,"ingestedAt":"2026-09-08T19:08:49.590Z","slug":"CVE-2026-75002","body":"## Overview\n\nIn Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.\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":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}