flatpak: Fix of 5 CVEs
- CVE-2026-34078: fix the portal sandbox-expose symlink refusal, which never triggered because O_PATH|O_NOFOLLOW opens the symlink instead of failing - Raise the release to 13.0.1 and build every shared EL7 target with dist .el7_9, so the package outranks the vendor releases on oraclelinux7els (13.0.1.el7_9, ELSCVE-228058) and rhel7els (13.el7_9, ELSCVE-228171)
- Products
- flatpak, flatpak-builder, flatpak-devel, flatpak-libs
- Affected versions
- Not specified
- Fixed versions
- 1.0.0-13.0.1.el7_9.tuxcare.els1, 1.0.9-13.0.1.el7_9.tuxcare.els1
- CVEs
- CVE-2026-34078
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:37 UTC · Revision 1
Source evidence
- CVE-2026-34078: fix the portal sandbox-expose symlink refusal, which never triggered because O_PATH|O_NOFOLLOW opens the symlink instead of failing - Raise the release to 13.0.1 and build every shared EL7 target with dist .el7_9, so the package outranks the vendor releases on oraclelinux7els (13.0.1.el7_9, ELSCVE-228058) and rhel7els (13.el7_9, ELSCVE-228171)
osv:CLSA-2026-1792427434
flatpak
Fixed versions: 1.0.9-13.0.1.el7_9.tuxcare.els1
flatpak-builder
Fixed versions: 1.0.0-13.0.1.el7_9.tuxcare.els1
flatpak-devel
Fixed versions: 1.0.9-13.0.1.el7_9.tuxcare.els1
flatpak-libs
Fixed versions: 1.0.9-13.0.1.el7_9.tuxcare.els1
Complete source record
{
"id": "5882f147e668f31f0eb17b3f26c7ba89b352ea4d6881595be67b6d202ad0aa4f",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792427434",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "flatpak: Fix of 5 CVEs",
"summary": "- CVE-2026-34078: fix the portal sandbox-expose symlink refusal, which never triggered because O_PATH|O_NOFOLLOW opens the symlink instead of failing - Raise the release to 13.0.1 and build every shared EL7 target with dist .el7_9, so the package outranks the vendor releases on oraclelinux7els (13.0.1.el7_9, ELSCVE-228058) and rhel7els (13.el7_9, ELSCVE-228171)",
"evidence": "osv:CLSA-2026-1792427434",
"products": [
{
"name": {
"value": "flatpak",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.9-13.0.1.el7_9.tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "flatpak-builder",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.0-13.0.1.el7_9.tuxcare.els1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "flatpak-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.9-13.0.1.el7_9.tuxcare.els1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "flatpak-libs",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.9-13.0.1.el7_9.tuxcare.els1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792427434",
"aliases": [
"CLSA-2026-1792427434"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.9-13.0.1.el7_9.tuxcare.els1"
}
]
}
],
"package": {
"name": "flatpak",
"purl": "pkg:rpm/tuxcare/flatpak?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792427434.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.0-13.0.1.el7_9.tuxcare.els1"
}
]
}
],
"package": {
"name": "flatpak-builder",
"purl": "pkg:rpm/tuxcare/flatpak-builder?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792427434.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.9-13.0.1.el7_9.tuxcare.els1"
}
]
}
],
"package": {
"name": "flatpak-devel",
"purl": "pkg:rpm/tuxcare/flatpak-devel?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792427434.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.9-13.0.1.el7_9.tuxcare.els1"
}
]
}
],
"package": {
"name": "flatpak-libs",
"purl": "pkg:rpm/tuxcare/flatpak-libs?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792427434.json"
}
}
],
"modified": "2026-10-26T09:32:00.760698954Z",
"provider": "osv",
"upstream": [
"CVE-2026-34078"
],
"references": [
"https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1792427434.html",
"https://nvd.nist.gov/vuln/detail/CVE-2021-43860",
"https://nvd.nist.gov/vuln/detail/CVE-2024-42472",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34078",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34079",
"https://nvd.nist.gov/vuln/detail/CVE-2026-90616"
]
},
"related_cves": [
{
"value": "CVE-2026-34078",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449286,
"published_at": "2026-10-23T15:49:02+00:00"
}