ubuntu-cve-2026-59676
Vulnerability from osv_ubuntu
Published
2026-07-27 00:00
Modified
2026-07-27 00:00
Summary
Details
A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10.
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "policycoreutils-gui",
"binary_version": "2.7-2"
},
{
"binary_name": "policycoreutils-python-utils",
"binary_version": "2.7-2"
},
{
"binary_name": "policycoreutils-sandbox",
"binary_version": "2.7-2"
},
{
"binary_name": "python3-sepolgen",
"binary_version": "2.7-2"
},
{
"binary_name": "python3-sepolicy",
"binary_version": "2.7-2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "selinux-python",
"purl": "pkg:deb/ubuntu/selinux-python@2.7-2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.7-2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "policycoreutils-gui",
"binary_version": "3.0-1build1"
},
{
"binary_name": "policycoreutils-python-utils",
"binary_version": "3.0-1build1"
},
{
"binary_name": "policycoreutils-sandbox",
"binary_version": "3.0-1build1"
},
{
"binary_name": "python3-sepolgen",
"binary_version": "3.0-1build1"
},
{
"binary_name": "python3-sepolicy",
"binary_version": "3.0-1build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "selinux-python",
"purl": "pkg:deb/ubuntu/selinux-python@3.0-1build1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.9-2",
"3.0-1",
"3.0-1build1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "policycoreutils-gui",
"binary_version": "3.3-1"
},
{
"binary_name": "policycoreutils-python-utils",
"binary_version": "3.3-1"
},
{
"binary_name": "policycoreutils-sandbox",
"binary_version": "3.3-1"
},
{
"binary_name": "python3-sepolgen",
"binary_version": "3.3-1"
},
{
"binary_name": "python3-sepolicy",
"binary_version": "3.3-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "selinux-python",
"purl": "pkg:deb/ubuntu/selinux-python@3.3-1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.1-1build1",
"3.3-1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "policycoreutils-gui",
"binary_version": "3.5-1"
},
{
"binary_name": "policycoreutils-python-utils",
"binary_version": "3.5-1"
},
{
"binary_name": "policycoreutils-sandbox",
"binary_version": "3.5-1"
},
{
"binary_name": "python3-sepolgen",
"binary_version": "3.5-1"
},
{
"binary_name": "python3-sepolicy",
"binary_version": "3.5-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "selinux-python",
"purl": "pkg:deb/ubuntu/selinux-python@3.5-1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.5-1"
]
}
],
"aliases": [],
"details": "A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in seunshare of selinux policycoreutils allows a user calling seunshare\u00a0that is running in the unconfined SELinux domain to delete arbitrary root-owned files, This issue affects policycoreutils through 3.10.",
"id": "UBUNTU-CVE-2026-59676",
"modified": "2026-07-27T00:00:00Z",
"published": "2026-07-27T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-59676"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59676"
},
{
"type": "REPORT",
"url": "https://security.opensuse.org/2026/07/15/selinux-seunshare.html"
},
{
"type": "REPORT",
"url": "https://bugzilla.suse.com/show_bug.cgi?id=1268256"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-59676"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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