{"id":"EM-20261111-OFF6","url":"https://cyber.eventmonitor.net/incident/EM-20261111-OFF6/roundcube-webmail-vulnerability-cve-2026-126813/","type":"cve","title":"Roundcube Webmail Vulnerability (CVE-2026-126813)","subtitle":"CVE-2026-126813","subject":"CVE-2026-126813","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-11T21:33:02.000Z","firstSignal":"2026-11-11T21:16:45.883Z","lastSignal":"2026-11-11T21:33:02.000Z","updated":"2026-11-11T22:13:05.345Z","revision":1,"life":[{"status":"Born","at":"2026-11-11T21:33:02.000Z","why":"second independent source: C29 CIRCL Vulnerability-Lookup"},{"status":"Developing","at":"2026-11-11T21:33:02.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-11T21:16:45.883Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-11T21:33:02.000Z","what":"Born: second source, C29 CIRCL Vulnerability-Lookup. Page EM-20261111-OFF6 created."}],"stages":[{"name":"Disclosed","at":"2026-11-11T21:16:45.883Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-11T21:16:45.883Z","detail":"CVSS 7.4"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-11T21:16:45.883Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-126813 (CVSS 7.4)","text":"Roundcube Webmail before 1.6.21 and 1.7.x before 1.7.6 contains an IMAP command injection vulnerability that allows attackers to inject commands via CRLF in the _uid parameter when messages_cache is enabled. Attackers can lure logged-in victims into opening crafted GET links to mail/show or mail/get, executing IMAP commands that delete messages, change flags, or grant mailbox access via SETACL.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126813"},{"at":"2026-11-11T21:33:02.000Z","source":"C29","sourceName":"CIRCL Vulnerability-Lookup","role":"Database","severity":2,"title":"GHSA-vch9-h7xh-rp47 / CVE-2026-126813","text":"Roundcube Webmail before 1.6.21 and 1.7.x before 1.7.6 contains an IMAP command injection vulnerability that allows attackers to inject commands via CRLF in the _uid parameter when messages_cache is enabled. Attackers can lure logged-in victims into opening crafted GET links to mail/show or…","url":"https://vulnerability.circl.lu/vuln/GHSA-vch9-h7xh-rp47"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-11T21:16:45.883","score":7.4,"severity":"HIGH","desc":"Roundcube Webmail before 1.6.21 and 1.7.x before 1.7.6 contains an IMAP command injection vulnerability that allows attackers to inject commands via CRLF in the _uid parameter when messages_cache is enabled. Attackers can lure logged-in victims into opening crafted GET links to mail/show or…","product":"","seen":1794435185345},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}