CVE-2026-91205
Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink race
02 Description
Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink race
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.2% of scored records. A rank, not a probability.
- NVD base score
- 6.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-19.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-18 19:14Z1 MO AGO
- Last updated
- 2026-10-19 04:00Z10 DAYS AGO
- Reserved
- 2026-09-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.0)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-363Race Condition Enabling Link FollowingBase
- Data version
- 5.2
- Document digest
- 7143470cb643bf2a62255397c493440f00fe395478173177e3b703687ee731bc
05 Affected products
06 References
- access.redhat.comRHSA-2026:84595https://access.redhat.com/errata/RHSA-2026:84595
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-91205
- bugzilla.redhat.comRHBZ#2466442https://bugzilla.redhat.com/show_bug.cgi?id=2466442
07 Fixed in
AlmaLinux 9
- cockpit-files Fixed in 36.1-1.el9_8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- cockpit-files Fixed in 36.1-1.el9_8
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- cockpit-files Fixed in 45-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- cockpit-files No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- cockpit-files No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.