Flatpak: flatpak: arbitrary read-access to files in the system-helper context via oci symlink following

Description

A malicious user can get read-access to files in the flatpak-system-helper context if a system OCI repository is configured, because the OCI code paths in the system helper follow symlinks when importing OCI images that are under the user's control.

Affected Products

Vendor	Product	Versions
red hat	red hat enterprise linux	—

References

https://access.redhat.com/security/cve/CVE-2026-96284(vdb-entry, x_refsource_REDHAT)
https://bugzilla.redhat.com/show_bug.cgi?id=2539423(issue-tracking, x_refsource_REDHAT)
https://github.com/flatpak/flatpak/security/advisories/GHSA-2fxp-43j9-pwvc

Related News (1 articles)

Tier C

VulDB6h ago

CVE-2026-96284 | Red Hat Enterprise Linux 7/8/9/10 OCI Code Paths path traversal

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CVSS 3.12.5 LOW

VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA KEV❌ No

Actively exploited✅ Yes

CWECWE-59

PublishedSep 27, 2026

Last enriched5h ago

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Verification

State: unverified

Confidence: 0%

Vulnerability Timeline

CVE Published

Sep 27, 2026

Discovered by ZDM

Sep 27, 2026

Actively Exploited

Sep 27, 2026

Exploit Available

Sep 27, 2026