CVE-2026-57856: Cockpit HQ Cockpit CMS

Cockpit CMS Path Traversal via Bucket Name in Bucket File Storage API

CVSS 8.7 HighEPSS 0.0048 · 41st percentile

Published by the CVE Program (CNA: VulnCheck) at 13 Jul 2026, 22:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Cockpit HQ	Cockpit CMS	affected before 2.14.0 git Other versions: affected

Identifiers

CVE-2026-57856

CNA

VulnCheck

Weakness (CWE)

CWE-22

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.7	High	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
8.8	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0048, the 41st percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/cockpit-hq/cockpit product
github.com/Cockpit-HQ/Cockpit/commit/dde2d1d74f5f4e11de42a298918ea8c9684f932c patch
gist.github.com/sermikr0/821c4edd3c34e98a62a50b07707785bd technical-description
www.vulncheck.com/advisories/cockpit-cms-missing-authorization-in-bucket-file-storage-api third-party-advisory
www.vulncheck.com/advisories/cockpit-cms-path-traversal-via-bucket-name-in-bucket-file-storage-api third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.