Incorrect Authorization Affecting cyrus-imapd-utils package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (8th percentile)

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  • Snyk IDSNYK-CENTOS8-CYRUSIMAPDUTILS-19738340
  • published13 Sept 2026
  • disclosed10 Sept 2026

Introduced: 10 Sep 2026

CVE-2026-61910  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

There is no fixed version for Centos:8 cyrus-imapd-utils.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cyrus-imapd-utils package and not the cyrus-imapd-utils package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

An issue was discovered in Cyrus IMAP before 3.12.4. Mailbox/set let a sharee change a special-use role on shared mailboxes. An authenticated user with maySetKeywords on another user's mailbox could change that mailbox's specialuse annotation. This could allow the sharee to change the shared mailbox to perform the archived, snoozed, or other role, which might cause mail mail to be written to the shared mailbox, sharing more content than intended. (This is likely to be an unusual situation, made more unusual because if the target already has an non-shared mailbox with that role, role duplication suppression will prevent the update.)

CVSS Base Scores

version 3.1