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CVE record · CVE-2026-96275

Flatpak: flatpak: arbitrary write access as root via extra-data extraction

CVSS 8.8 HighEPSS 0.0057 · 47th percentile

Published by the CVE Program (CNA: redhat) at 23 Sept 2026, 15:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.16.0-9.el10_2.4 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.16.0-5.el10_0.6 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-7.el8_10 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-1.el8_6.1 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-1.el8_6.1 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-4.el9_8.4 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.7-5.el9_2.5 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-3.el9_4.5 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support Package name: flatpak https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.12.9-4.el9_6.5 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 7 Package name: flatpak https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2026-96275
CNA
redhat
Weakness (CWE)
CWE-22
Tags
Published
23 Sept 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0057, the 47th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 23 Sept 2026, 15:01 UTC Confirmed by the CVE List
  2. 23 Sept 2026, 15:17 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.