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CVE-2026-91202

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

CVSS 3.1 6.1 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 6 Nov 2026 02:36:20 UTC. Read the latest advisory.

cve-program · CVE-2026-91202

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91202

Published

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

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.

Source published
18 Sep 2026 19:21:11 UTC
Source modified
6 Nov 2026 01:44:53 UTC
Saved here
6 Nov 2026 02:36:20 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L

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Sources read 12 Nov 19:39 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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