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TI-2026-34689 Aliases CVE-2026-47087GHSA-4pcj-qpx3-mjmx

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2.

Priority LOW 17CWE-672Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00286 21st percentileScored 2026-11-07
Fix Partial Cyrus IMAP (cyrusimap): 3.12.3Red Hat: 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
cyrusimapCyrus IMAPbefore 3.12.33.12.3Patch availableCNA
  • Cyrus IMAP Vendorcyrusimap Affected before 3.12.3 Fixed in 3.12.3 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*——Cyrus
  • cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:* Versions — — ·Cyrus

Remediation

  • Fix · CNA Cyrus IMAP (cyrusimap) Fixed in 3.12.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    cyrusimap Cyrus IMAP 3.12.3

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-34686 Incorrect authorization in cyrusimap Cyrus IMAPPriority LOW 29
    • TI-2026-34684 Incorrect authorization in cyrusimap Cyrus IMAPPriority LOW 24
    • TI-2026-34691 Missing authorization in cyrusimap Cyrus IMAPPriority LOW 20
    Show all 9 records →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-47087
  2. 2026-10-03 Alias added: GHSA-4pcj-qpx3-mjmx

References

Other 2

  • TI-2002-01271 Multiple buffer overflows in Cyrus SASL library 2.1.9 and earlier allow remote attackers… CVSS 3.1CRITICAL 9.8
  • TI-2022-08283 In Cyrus SASL 2.1.17 through 2.1.27 before 2.1.28, plugins/sql.c does not escape the… CVSS 3.1HIGH 8.8
  • TI-2019-14353 cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated… CVSS 3.1HIGH 7.5
  • TI-2026-44296 Double free in cyrusimap Cyrus IMAP CVSS 3.1HIGH 7.1
  • TI-2017-09510 Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via… CVSS 3.0MEDIUM 6.5
  • TI-2024-22515 Cyrus IMAP before 3.8.3 and 3.10.x before 3.10.0-rc1 allows authenticated attackers to… CVSS 3.1MEDIUM 6.5
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences