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High 7.4Published May 19, 2026

CVE-2026-7460mailcow-dockerized 2026-03b - Stored XSS in Queue Manager via unescaped

Updated under an hour ago ()

Does this affect you?

It affects mailcow-dockerized. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

mailcow-dockerized contains a stored cross-site scripting vulnerability in the administrator Queue Manager. The Queue Manager fetches mail queue entries from /api/v1/get/mailq/all, copies server-controlled Postfix queue fields into DataTables rows, and renders several of those fields as HTML without adequate output encoding. This issue affects mailcow-dockerized: 2026-03b.

CVSS
7.4 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Fluid Attacks
NVD analysis
Deferred
Record last updated
May 20, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
mailcow mailcow-dockerized
mailcow:dockerized (from the name)
2026-03b
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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