CVE-2026-96283

EUVD-2026-88043
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.3 LOW
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.47%
Debian logo
Debian Releases
Debian Product
Codename
flatpak
bookworm
1.14.10-1~deb12u2
fixed
bookworm (security)
1.14.10-1~deb12u2
fixed
forky
1.18.2-1
fixed
sid
1.18.3-1
fixed
trixie
1.16.6-1~deb13u2
fixed
trixie (security)
1.16.6-1~deb13u2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
flatpak
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
not-affected
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2026-96283
https://bugzilla.redhat.com/show_bug.cgi?id=2539424
https://github.com/flatpak/flatpak/security/advisories/GHSA-89xm-3m96-w3jg