What is GHSA-j6pg-f6px-vgh9?

GHSA-j6pg-f6px-vgh9 is a security advisory published by GitHub Security Advisories with Low severity. An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can...

Which CVE IDs does GHSA-j6pg-f6px-vgh9 cover?

GHSA-j6pg-f6px-vgh9 covers the following CVE IDs: CVE-2026-47086. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j6pg-f6px-vgh9?

GHSA-j6pg-f6px-vgh9 has a CVSS v3 base score of 3.5, published by GitHub Security Advisories.

GHSA-j6pg-f6px-vgh9LowCVSS 3.5

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can...

Vendor

GitHub Security Advisories

Published

July 16, 2026

Last Modified

July 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-47086 →

📋 Description

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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-47086
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
https://github.com/advisories/GHSA-j6pg-f6px-vgh9