CVE-2026-47089

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-07-16. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.)

CVSS v3
4.3
EG Score
4.3(high)
EPSS
6.5%
KEV
Not listed

Published

July 16, 2026

Last Modified

July 17, 2026

Advisory Details (2)

Auto-updated Jul 17, 2026
No patch confirmed yet.
generic

Release Notes — Cyrus IMAP 3.12.3 documentation

https://www.cyrusimap.org/imap/download/release-notes/index.html
generic

Cyrus IMAP 3.12.3 Release Notes — Cyrus IMAP 3.12.3 documentation

https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html

Vendor Advisories for CVE-2026-47089(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-19 14:31 UTCEPSS rescore
  5. 2026-07-19 02:36 UTCEG score recompute
  6. 2026-07-19 02:36 UTCGHSA enrichment
  7. 2026-07-19 02:29 UTCEPSS rescore
  8. 2026-07-18 10:04 UTCEPSS rescore
  9. 2026-07-17 07:06 UTCEG score recompute
  10. 2026-07-17 07:06 UTCGHSA enrichment
  11. 2026-07-16 18:49 UTCEG score recompute
  12. 2026-07-16 18:48 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47089?
CVE-2026-47089 is a medium vulnerability published on July 16, 2026. An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted…
When was CVE-2026-47089 disclosed?
CVE-2026-47089 was first published in the National Vulnerability Database on July 16, 2026, with the most recent update on July 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47089 actively exploited?
CVE-2026-47089 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47089?
CVE-2026-47089 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-47089?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47089, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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