# ELSA-2026-80496: flatpak-builder security update

ELSA-2026-80496, released November 7, 2026, fixes 1 CVE in flatpak-builder (version 0:1.2.3-1.el9_8.1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-80496
- Platform: Linux
- Released: Nov 7, 2026
- Priority: High (Closes CVE-2026-86320, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-80496.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [flatpak-builder](https://patchblox.com/security/data/product/linux/flatpak-builder.md) | ol 9 | 0:1.2.3-1.el9_8.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-86320](https://patchblox.com/security/data/cve/CVE-2026-86320.md) | High | flatpak-builder: Flatpak-builder is a tool for building flatpaks from sources.  Security Fix(es):  * flatpak-builder: Host code execut... | 7.8 | 0.0030 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo