CVE-2026-96283

Flatpak: flatpak: flatpak-system-helper cross-user cancelpull orphans another user's ongoing pull

State: Published
Severity: 3.3 Low
Published: Sep 27, 2026
Updated: Sep 28, 2026
Reserved: Sep 22, 2026

Description

By calling org.freedesktop.Flatpak.SystemHelper.CancelPull on another user's pull, the pull is not actually cancelled but removed from internal tracking, making it impossible for the owning user to stop it. Ongoing pulls cannot be stopped.

Scores

CVSS	Score	Vector	Source
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	redhat

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2026-96283vdb-entry
RHBZ#2539424issue-tracking
https://github.com/flatpak/flatpak/security/advisories/GHSA-89xm-3m96-w3jg

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