flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...

OESA-2026-4569 flatpak security update

flatpak is a system for building, distributing and running sandboxed desktop applications on Linux. See https://wiki.gnome.org/Projects/SandboxedApps for more information. Security Fixes: In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data...

flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...

CLSA-2026-1792769794 flatpak: Fix of CVE-2026-97023

CVE-2026-97023: fix arbitrary file deletion during deploy, where a malicious ostree commit with "export" as a symlink made the path-based export/bin cleanup delete files at the symlink target...

CLSA-2026-1792769619 flatpak: Fix of CVE-2026-97023

CVE-2026-97023: fix arbitrary file deletion during deploy, where a malicious ostree commit with "export" as a symlink made the path-based export/bin cleanup delete files at the symlink target...

CVE-2026-16460

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

CVE-2026-16460

A flaw exists in bootc and ostree where already-staged deployments are finalized without revalidating the container image against the current container signature policy . This allows unsigned OS content, staged under a previous permissive policy, to remain bootable even after the policy is harden...

EUVD-2026-104093

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

CVE-2026-16460 Bootc: ostree: bootc/ostree: staged deployments not revalidated against container signature policy before finalization

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

CVE-2026-16460 Bootc: ostree: bootc/ostree: staged deployments not revalidated against container signature policy before finalization

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

CVE-2026-16460

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

CVE-2026-16460: Insufficient Verification of Data Authenticity

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

PT-2026-117246

A flaw was found in bootc and ostree. Already-staged deployments are finalized without revalidating the deployment's container image against the current containers signature policy. Unsigned OS content staged under a prior permissive policy can remain bootable after policy is hardened to reject...

flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...

flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...

flatpak: Flatpak: Local privilege escalation via symlink traversal in revokefs writer

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...

CLSA-2026-1790844951 flatpak: Fix of CVE-2026-96808

CVE-2026-96808: the revokefs writer validated the paths its unprivileged client sends with validatepath/getvalidpath, which rejected literal ".." components but followed symlinks, so a local user holding two revokefs sessions could make one session write through a symlink into the other and...

pulp-ansible (>=0.22.0, <=0.23.1), pulp-container (>=2.21.0, <=2.22.13) +6 more potentially affected by CVE-2026-90959 via pulpcore (3.69.2)

pulpcore PYPI version 3.69.2 is affected by a known vulnerability. The following packages have a transitive dependency on pulpcore and may be impacted: - pulp-ansible =0.22.0, =2.21.0, =3.3.0, =0.6.0, =0.8.1, =2.4.0, =3.12.0, =3.25.6, =3.27.14 Source cves: CVE-2026-90959 Source advisory:...

SUSE CVE-2026-96808

In Flatpak before 1.18.1, the revokefs writer, used by the flatpak-system-helper to receive repository data from unprivileged callers, validated file paths by rejecting literal .. components but did not prevent symlink traversal. A malicious local user in an active local session could obtain two...

CVE-2026-96808

A flaw was found in Flatpak. A malicious local user in an active local session could exploit a symlink traversal vulnerability in the revokefs writer. This flaw allows an attacker to modify files belonging to a different revokefs session after they have been validated. Consequently, an attacker...