CVE-2026-96284
Flatpak: flatpak: arbitrary read-access to files in the system-helper context via oci symlink following
02 Description
Flatpak: flatpak: arbitrary read-access to files in the system-helper context via oci symlink following
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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 2.1% of scored records. A rank, not a probability.
- NVD base score
- 2.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-29.
- Red Hat severity
- Low. 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
- 2026-09-27 22:04Z1 MO AGO
- Last updated
- 2026-09-29 16:04Z29 DAYS AGO
- Reserved
- 2026-09-22
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-59Improper Link Resolution Before File Access ('Link Following')Base
- Data version
- 5.2
- Document digest
- 4050fcef062a52d7c6e821963e1f1e61fd909533884d7922a68f980260eec640
05 Affected products
06 References
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-96284
- bugzilla.redhat.comRHBZ#2539423https://bugzilla.redhat.com/show_bug.cgi?id=2539423
- github.comhttps://github.com/flatpak/flatpak/security/advisories/GHSA-2fxp-43j9-pwvc
07 Fixed in
Debian 12
- flatpak Fixed in 1.14.10-1~deb12u2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- flatpak Fixed in 1.16.6-1~deb13u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- flatpak Fixed in 1.16.4-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- flatpak No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- flatpak No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- flatpak No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- flatpak 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.