OESA-2026-4074

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4074

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2026-4074.json

JSON Data

https://api.osv.dev/v1/vulns/OESA-2026-4074

Upstream

CVE-2026-86320

Published

2026-09-25T01:28:05Z

Modified

2026-09-25T01:45:11Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

flatpak-builder security update

Details

Flatpak-builder is a tool for building flatpaks from sources.

Security Fix(es):

A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch hook can cause the hook to execute on the host during the build process, resulting in arbitrary code execution with the privileges of the user running flatpak-builder.(CVE-2026-86320)

Database specific

{
    "severity":  "High"
}

References

Affected packages

openEuler:22.03-LTS-SP4 / flatpak-builder

Package

Name: flatpak-builder
Purl: pkg:rpm/openEuler/flatpak-builder&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.0.14-3.oe2203sp4

Ecosystem specific

{
    "aarch64":  [
        "flatpak-builder-1.0.14-3.oe2203sp4.aarch64.rpm",
        "flatpak-builder-debuginfo-1.0.14-3.oe2203sp4.aarch64.rpm",
        "flatpak-builder-debugsource-1.0.14-3.oe2203sp4.aarch64.rpm"
    ],
    "src":  [
        "flatpak-builder-1.0.14-3.oe2203sp4.src.rpm"
    ],
    "x86_64":  [
        "flatpak-builder-1.0.14-3.oe2203sp4.x86_64.rpm",
        "flatpak-builder-debuginfo-1.0.14-3.oe2203sp4.x86_64.rpm",
        "flatpak-builder-debugsource-1.0.14-3.oe2203sp4.x86_64.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-4074.json"