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Fencer Vulns
high 8.1

CVE-2026-38993 json

Cockpit is vulnerable to directory traversal

published 2026-04-29 6 mo ago modified 2026-07-15 3 mo ago also GHSA-p46p-7pmj-m34f , EUVD-2026-26243

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

Cockpit 2.13.5 and earlier is vulnerable to directory traversal via the Buckets component. This vulnerability allows authenticated attackers to write files to arbitrary locations within the uploads directory or overwrite assets with malicious versions.

Patch / fix

  • packagist cockpit-hq/cockpit 2.14.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-38993 updated cvss 8.1

Cockpit: Cockpit: Arbitrary file write via directory traversal in Buckets component

  • Red Hat Enterprise Linux 7 cockpit, cockpit-ws, cockpit-bridge, cockpit-system, cockpit-machines-ovirt Red Hat Enterprise Linux 8 cockpit, cockpit-ws, cockpit-bridge, cockpit-system Red Hat Enterprise Linux 9 cockpit, cockpit-ws, cockpit-pcp, cockpit-bridge, cockpit-system, cockpit-storaged, +2 more Red Hat Enterprise Linux 10 cockpit
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • felsec.com https://felsec.com/posts/cockpit-cms-2.13.5-multi-vulns/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CISA ADP 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist cockpit-hq/cockpit
<2.14.0
2.14.0

Affected products

  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 9

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.