What is CVE-2026-47087?

CVE-2026-47087 is a low-severity vulnerability in Cyrusimap Cyrus Imap, classified under Operation on a Resource after Expiration or Release. CVSS score: 3.5/10. Published 2026-07-16.

How severe is CVE-2026-47087?

Low severity. CVSS v3 base score is 3.5 out of 10.

Vulnerability in Cyrusimap Cyrus Imap

CVE-2026-47087

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 A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked.

Published 2026-07-16 · last modified 2026-07-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cyrusimap Cyrus Imap — versions 0

Weakness classification (CWE)

CWE-672 — Operation on a Resource after Expiration or Release

References

Frequently asked questions

What is CVE-2026-47087?: CVE-2026-47087 is a low-severity vulnerability in Cyrusimap Cyrus Imap, classified under Operation on a Resource after Expiration or Release. CVSS score: 3.5/10. Published 2026-07-16.
How severe is CVE-2026-47087?: Low severity. CVSS v3 base score is 3.5 out of 10.