HighFix available
podman — security advisory
Podman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container image that contains a environment variable with just a key and no value can trick podman into passing that variable from the host into the container. This is made worse by the fact that using an asterisk (*) will cause podman to pass all host variables into the container. So essentially a malicious image can exfiltrate all podman environment variables that are set in the session from where the container is launched. This vulnerability is fixed in 5.8.4 and 6.0.0.
- Products
- podman
- Affected versions
- 5.4.2+ds1-2, 5.6.1+ds1-1, 5.6.1+ds1-2, 5.6.1+ds2-2, 5.6.1+ds2-3, 5.6.2+ds1-1, 5.6.2+ds1-2, 5.6.2+ds1-3, 5.6.2+ds1-3+exp1, 5.6.2+ds1-4, 5.7.0+ds2-1, 5.7.0+ds2-2, 5.7.0+ds2-3, 5.8.0+ds1-1, 5.8.1+ds1-1, 5.8.1+ds1-2, 5.8.1+ds1-3, 5.8.2+ds1-1, 5.8.2+ds1-2, 5.8.2+ds1-3, 5.8.3+ds1-1, 5.8.4+ds1-1, 5.8.4+ds1-2, 5.8.6+ds1-1, 5.8.6+ds1-2, 5.8.6+ds1-3, 6.1.1+ds1-1
- Fixed versions
- 5.8.4+ds1-1
- CVEs
- CVE-2026-57231
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:59 UTC · Revision 2
Source evidence
Podman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container image that contains a environment variable with just a key and no value can trick podman into passing that variable from the host into the container. This is made worse by the fact that using an asterisk (*) will cause podman to pass all host variables into the container. So essentially a malicious image can exfiltrate all podman environment variables that are set in the session from where the container is launched. This vulnerability is fixed in 5.8.4 and 6.0.0.
osv:DEBIAN-CVE-2026-57231
podman
Fixed versions: Not specified
podman
Fixed versions: 5.8.4+ds1-1
Complete source record
{
"id": "729398358c6589e549ac441ceb6abd1ec44770c9e21b1a700c0cf76d7cdff6c7",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-57231",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-57231",
"summary": "Podman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container image that contains a environment variable with just a key and no value can trick podman into passing that variable from the host into the container. This is made worse by the fact that using an asterisk (*) will cause podman to pass all host variables into the container. So essentially a malicious image can exfiltrate all podman environment variables that are set in the session from where the container is launched. This vulnerability is fixed in 5.8.4 and 6.0.0.",
"evidence": "osv:DEBIAN-CVE-2026-57231",
"products": [
{
"name": {
"value": "podman",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "5.4.2+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.1+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.1+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.1+ds2-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.1+ds2-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.2+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.2+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.2+ds1-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.2+ds1-3+exp1",
"evidence": "/affected/0/versions"
},
{
"value": "5.6.2+ds1-4",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.0+ds2-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.0+ds2-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.7.0+ds2-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.0+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.1+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.1+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.1+ds1-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.2+ds1-3",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.3+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.4+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.4+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.6+ds1-1",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.6+ds1-2",
"evidence": "/affected/0/versions"
},
{
"value": "5.8.6+ds1-3",
"evidence": "/affected/0/versions"
},
{
"value": "6.1.1+ds1-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "podman",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.8.4+ds1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "5.4.2+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.1+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.1+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.1+ds2-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.1+ds2-3",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.2+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.2+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.2+ds1-3",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.2+ds1-3+exp1",
"evidence": "/affected/1/versions"
},
{
"value": "5.6.2+ds1-4",
"evidence": "/affected/1/versions"
},
{
"value": "5.7.0+ds2-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.7.0+ds2-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.7.0+ds2-3",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.0+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.1+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.1+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.1+ds1-3",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.2+ds1-1",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.2+ds1-2",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.2+ds1-3",
"evidence": "/affected/1/versions"
},
{
"value": "5.8.3+ds1-1",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-57231",
"aliases": [
"DEBIAN-CVE-2026-57231"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "podman",
"purl": "pkg:deb/debian/podman?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"5.4.2+ds1-2",
"5.6.1+ds1-1",
"5.6.1+ds1-2",
"5.6.1+ds2-2",
"5.6.1+ds2-3",
"5.6.2+ds1-1",
"5.6.2+ds1-2",
"5.6.2+ds1-3",
"5.6.2+ds1-3+exp1",
"5.6.2+ds1-4",
"5.7.0+ds2-1",
"5.7.0+ds2-2",
"5.7.0+ds2-3",
"5.8.0+ds1-1",
"5.8.1+ds1-1",
"5.8.1+ds1-2",
"5.8.1+ds1-3",
"5.8.2+ds1-1",
"5.8.2+ds1-2",
"5.8.2+ds1-3",
"5.8.3+ds1-1",
"5.8.4+ds1-1",
"5.8.4+ds1-2",
"5.8.6+ds1-1",
"5.8.6+ds1-2",
"5.8.6+ds1-3",
"6.1.1+ds1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-57231.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.8.4+ds1-1"
}
]
}
],
"package": {
"name": "podman",
"purl": "pkg:deb/debian/podman?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"5.4.2+ds1-2",
"5.6.1+ds1-1",
"5.6.1+ds1-2",
"5.6.1+ds2-2",
"5.6.1+ds2-3",
"5.6.2+ds1-1",
"5.6.2+ds1-2",
"5.6.2+ds1-3",
"5.6.2+ds1-3+exp1",
"5.6.2+ds1-4",
"5.7.0+ds2-1",
"5.7.0+ds2-2",
"5.7.0+ds2-3",
"5.8.0+ds1-1",
"5.8.1+ds1-1",
"5.8.1+ds1-2",
"5.8.1+ds1-3",
"5.8.2+ds1-1",
"5.8.2+ds1-2",
"5.8.2+ds1-3",
"5.8.3+ds1-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-57231.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:58.298037688Z",
"provider": "osv",
"upstream": [
"CVE-2026-57231"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-57231"
]
},
"related_cves": [
{
"value": "CVE-2026-57231",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 453017,
"published_at": "2026-06-26T17:16:34.697+00:00"
}