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P5
CVE-2026-47086: Cyrus IMAP 0 to before 3.12.3
CVE-2026-47086. CVSS 3.1 base score 3.5 (LOW, Vendor/CNA). EPSS 0.00267 (percentile 0.17873), scored 24-Oct-2026.
Affected technology
Cyrus IMAP · 0 to before 3.12.3
cyrusimap
Description’s affected range: through 3.12.2
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
Any authenticated user could mint a URLAUTH token (via the GENURLAUTH command) for any mailbox they could name, even without read access on it. Vendor/CNA’s CVSS 3.1 assessment (base score 3.5/10) rates confidentiality impact as low; integrity and availability impact as none.
- CWE
- CWE-863
- CCR priority
- 14.1 /100 (P5)
- CVSS 3.1
- 3.5 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N · Vendor/CNA
- EPSS
- 0.00267 · percentile 0.17873 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-47086.html