RHSA-2026:23418: flatpak Red Hat

CVSS: 9.0v3.1CriticalPublished

Published 05-06-2026Last modified 06-07-2026

Open JSON

Vulnerability summary

RHSA-2026:23418 is a critical (CVSS 9.0) vulnerability in flatpak Red Hat.

Overall risk

70/100

0100

High · default modelHow is this calculated?

CVSS score

9.0/10

010

Critical · v3.1 (OSV · Red hat), selected by version preference

EPSS score

Not scored

0%100%

No EPSS score yet

KEVNot listedIn no KEV catalog

RansomwareNone recordedNo known use recorded

Public exploits0No public exploits recorded

Advisory lineage

Upstream 2 · Downstream 0

CVE-2026-34078 CVE-2026-34079

Timeline

05-06-2026
PublishedVulnerability first disclosed.
06-07-2026
Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: flatpak security update

CVSS metrics

1 score · 1 source · 1 version

v3.19.0

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Redhat10 products

flatpak< 0:1.12.9-4.el9_6.1
flatpak-debuginfo< 0:1.12.9-4.el9_6.1
flatpak-debugsource< 0:1.12.9-4.el9_6.1
flatpak-devel< 0:1.12.9-4.el9_6.1
flatpak-libs< 0:1.12.9-4.el9_6.1