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TI-2026-61925 Aliases CVE-2026-91202GHSA-2g9g-mfvg-w359

Cockpit-files: cockpit-files: arbitrary file ownership change via symlink following in privileged paste

Priority LOW 26CWE-61Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · High · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

A flaw was found in cockpit-files. A low-privileged local user can exploit this vulnerability by crafting a directory containing a symbolic link (symlink) and then using the privileged "Paste as owner" function. This allows for arbitrary file ownership changes outside the intended pasted directory, leading to a compromise of data integrity. In some cases, this could also lead to reduced confidentiality if the new ownership grants unauthorized read access. Exploitation requires user interaction to select a non-original owner during the paste operation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00156 4th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Enterprise Linux 10—36.1-1.el10_2Patch availableCNA
Red HatRed Hat Enterprise Linux 9—36.1-1.el9_8Patch availableCNA
  • Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in 36.1-1.el10_2 Patch available CNA
  • Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 36.1-1.el9_8 Patch available CNA

CPE names CNA · 2

CPEVersionsRoleVendor
cpe:/o:redhat:enterprise_linux:10.210.2—Red Hat
cpe:/a:redhat:enterprise_linux:9::appstream9—Red Hat
  • cpe:/o:redhat:enterprise_linux:10.2 Versions 10.2 — ·Red Hat
  • cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2026:95570 Released 2026-11-05 · Red Hat rating Moderate
    cockpit-files security update
    • Red Hat Enterprise Linux AppStream (v. 10) cockpit-files-36.1-1.el10_2
  • RHSA-2026:84595 Released 2026-10-19 · Red Hat rating Moderate
    cockpit-files security update
    • Red Hat Enterprise Linux AppStream (v. 9) cockpit-files-36.1-1.el9_8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 — RHSA-2026:95570

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-61926 Cockpit-files: cockpit-files: arbitrary file ownership and permission modification via symlink race conditionPriority MEDIUM 60
    • TI-2026-61928 Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink racePriority LOW 28
    Show all 3 records → Advisory →
  • Advisory ·

    Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 — RHSA-2026:84595

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-61928 Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink racePriority LOW 28
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:95570
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:84595

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-91202
  2. 2026-10-03 Alias added: GHSA-2g9g-mfvg-w359
  3. 2026-10-19 Fix available: cockpit-files@0:36.1-1.el9_8 · CNA
  4. 2026-10-19 1 new reference · CNA
  5. 2026-10-19 Fix available: RHSA-2026:84595 · Red Hat
  6. 2026-10-19 Fix available: Red Hat Enterprise Linux AppStream (v. 9) · Red Hat
  7. 2026-11-06 Fix available: cockpit-files@0:36.1-1.el10_2 · CNA
  8. 2026-11-06 1 new reference · CNA
  9. 2026-11-06 Fix available: RHSA-2026:95570 · Red Hat
  10. 2026-11-06 Fix available: Red Hat Enterprise Linux AppStream (v. 10) · Red Hat

References

Advisory 2

Other 2

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7412 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences