Improper input validation in Cockpit-Hq Cockpit

CVE-2026-6626

A vulnerability was detected in Cockpit-HQ Cockpit up to 2.13.5. Affected by this issue is some unknown functionality of the component Asset Handler/Aggregate Handler. The manipulation results in improper neutralization of special elements in data query logic. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (30.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-6626: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6626?
CVE-2026-6626 is a medium-severity vulnerability in Cockpit-Hq Cockpit, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2026-04-20.
How severe is CVE-2026-6626?
Medium severity. CVSS v3 base score is 6.3 out of 10.