6.5

CVE-2026-47084: cyrusimap cyrus_imap Incorrect Authorization

CVSS: 6.5v3.1MediumDeferred
AliasesUBUNTU-CVE-2026-47084DEBIAN-CVE-2026-47084
Published 16-07-2026Last modified 16-07-2026
Open JSON

Vulnerability summary

CVE-2026-47084 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in cyrusimap cyrus_imap. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:21368-1

Timeline

  1. 16-07-2026
    PublishedVulnerability first disclosed.
  2. 16-07-2026
    Last modifiedVulnerability information updated.

Description

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

0.00 pp

From 0.35% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cyrusimap1 product
Debian1 product
  • cyrus-imapd< 3.6.1-4+deb12u5 | < 3.10.2-1+deb13u2 | < 3.12.3-1
Ubuntu1 product
  • cyrus-imapdAll versions (No fix recorded)

3 vendors · 3 products

References

5 links