CVE-2026-96283

LOW 3.3

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

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	red hat
Product	red hat enterprise linux 10
Published	Sep 27, 2026
Last Updated	Sep 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

Red Hat / Red Hat Enterprise Linux 10

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-96283 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2539424 github.com: https://github.com/flatpak/flatpak/security/advisories/GHSA-89xm-3m96-w3jg

Credits

Upstream acknowledges Asim Viladi Oglu Manizada as the original reporter.