CVE-2026-47086

תיאור (מקור, אנגלית)

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token (via the GENURLAUTH command) for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes despite having no granted permissions.

מדדים

CVSS 3.1

3.5 (LOW) מקור הציון: CNA CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-5/8/2026

CWE

CWE-863

קישורים

• https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html
• https://www.cyrusimap.org/imap/download/release-notes/index.html