Is CVE-2026-47087 in the CISA KEV catalog?

No. CVE-2026-47087 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-47087?

CVE-2026-47087 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2026-47087?

CVE-2026-47087 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-47087?

Upgrade cyrus-imapd on debian unstable to 3.12.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-47087

LOW

3.5

CVSS v3

NVD

Description

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 A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked.

CWE-672

How to fix

Remediation Available

cyrus-imapdDebian

Fixed in:3.12.3-1CVE-2026-47087

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-672 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23638	Medium	6.5	60%	-	Fix
CVE-2020-11027	Medium	6.1	14%	-	Fix
CVE-2019-17638	Critical	9.4	11%	-	Fix
CVE-2009-3547	High	7.0	4.9%	-	-
CVE-2019-15691	High	7.2	4.7%	-	Fix
CVE-2020-24030	Critical	9.8	2.7%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-17.