flatpak-builder security update
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)
OESA-2026-4226
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:OESA-2026-4226
flatpak-builder
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.3.5-3.oe2403sp3
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.5-3.oe2403sp3"
}
]
}
],
"package": {
"name": "flatpak-builder",
"purl": "pkg:rpm/openEuler/flatpak-builder&distro=openEuler-24.03-LTS-SP3",
"ecosystem": "openEuler:24.03-LTS-SP3"
},
"database_specific": {
"source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4226.json"
},
"ecosystem_specific": {
"src": [
"flatpak-builder-1.3.5-3.oe2403sp3.src.rpm"
],
"x86_64": [
"flatpak-builder-1.3.5-3.oe2403sp3.x86_64.rpm",
"flatpak-builder-debuginfo-1.3.5-3.oe2403sp3.x86_64.rpm",
"flatpak-builder-debugsource-1.3.5-3.oe2403sp3.x86_64.rpm"
],
"aarch64": [
"flatpak-builder-1.3.5-3.oe2403sp3.aarch64.rpm",
"flatpak-builder-debuginfo-1.3.5-3.oe2403sp3.aarch64.rpm",
"flatpak-builder-debugsource-1.3.5-3.oe2403sp3.aarch64.rpm"
]
}
}
]Publisher severity
high
Source reference: /database_specific/severity
- Event
- #52149 · Revision 1
- Added to Heist Feed
- Publisher date