HighFix available
Red Hat Security Advisory: osbuild-composer security update
Type: advisorySources: OSV
- Products
- osbuild-composer, osbuild-composer-core, osbuild-composer-core-debuginfo, osbuild-composer-debuginfo, osbuild-composer-debugsource, osbuild-composer-tests-debuginfo, osbuild-composer-worker, osbuild-composer-worker-debuginfo
- Affected versions
- Not specified
- Fixed versions
- 0:165.1-5.el10_2
- CVEs
- CVE-2026-25681, CVE-2026-27136, CVE-2026-39821, CVE-2026-41178, CVE-2026-42502, CVE-2026-55677
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:28 UTC · Revision 1
Source evidence
Red Hat Security Advisory: osbuild-composer security update
core-osv · Original sourcePublished 11 Sept 2026, 10:15 UTC
Red Hat Security Advisory: osbuild-composer security update
osv:RHSA-2026:66432
osbuild-composer
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-core
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-core-debuginfo
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-debuginfo
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-debugsource
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-tests-debuginfo
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-worker
Fixed versions: 0:165.1-5.el10_2
osbuild-composer-worker-debuginfo
Fixed versions: 0:165.1-5.el10_2
Complete source record
{
"id": "ff24aa3fec0dac40f374cdc1b4c5451daa2fd42c52c8c693f161b39de2bd4b5b",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A66432",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: osbuild-composer security update",
"summary": "Red Hat Security Advisory: osbuild-composer security update",
"evidence": "osv:RHSA-2026:66432",
"products": [
{
"name": {
"value": "osbuild-composer",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-core",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-core-debuginfo",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-debuginfo",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-debugsource",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-tests-debuginfo",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-worker",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-worker-debuginfo",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:165.1-5.el10_2",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:66432",
"aliases": [
"RHSA-2026:66432"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer",
"purl": "pkg:rpm/redhat/osbuild-composer",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-core",
"purl": "pkg:rpm/redhat/osbuild-composer-core",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-core-debuginfo",
"purl": "pkg:rpm/redhat/osbuild-composer-core-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-debuginfo",
"purl": "pkg:rpm/redhat/osbuild-composer-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-debugsource",
"purl": "pkg:rpm/redhat/osbuild-composer-debugsource",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-tests-debuginfo",
"purl": "pkg:rpm/redhat/osbuild-composer-tests-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-worker",
"purl": "pkg:rpm/redhat/osbuild-composer-worker",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:165.1-5.el10_2"
}
]
}
],
"package": {
"name": "osbuild-composer-worker-debuginfo",
"purl": "pkg:rpm/redhat/osbuild-composer-worker-debuginfo",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:66432.json"
}
}
],
"modified": "2026-10-20T10:13:31Z",
"provider": "osv",
"upstream": [
"CVE-2026-25681",
"CVE-2026-27136",
"CVE-2026-39821",
"CVE-2026-41178",
"CVE-2026-42502",
"CVE-2026-55677"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:66432",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2480756",
"https://bugzilla.redhat.com/show_bug.cgi?id=2480757",
"https://bugzilla.redhat.com/show_bug.cgi?id=2480761",
"https://bugzilla.redhat.com/show_bug.cgi?id=2480762",
"https://bugzilla.redhat.com/show_bug.cgi?id=2484830",
"https://bugzilla.redhat.com/show_bug.cgi?id=2493622",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_66432.json",
"https://access.redhat.com/security/cve/CVE-2026-25681",
"https://www.cve.org/CVERecord?id=CVE-2026-25681",
"https://nvd.nist.gov/vuln/detail/CVE-2026-25681",
"https://go.dev/cl/781703",
"https://go.dev/issue/79574",
"https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
"https://pkg.go.dev/vuln/GO-2026-5029",
"https://access.redhat.com/security/cve/CVE-2026-27136",
"https://www.cve.org/CVERecord?id=CVE-2026-27136",
"https://nvd.nist.gov/vuln/detail/CVE-2026-27136",
"https://go.dev/cl/781685",
"https://go.dev/issue/79575",
"https://pkg.go.dev/vuln/GO-2026-5030",
"https://access.redhat.com/security/cve/CVE-2026-39821",
"https://www.cve.org/CVERecord?id=CVE-2026-39821",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39821",
"https://go.dev/cl/767220",
"https://go.dev/issue/78760",
"https://pkg.go.dev/vuln/GO-2026-5026",
"https://access.redhat.com/security/cve/CVE-2026-41178",
"https://www.cve.org/CVERecord?id=CVE-2026-41178",
"https://nvd.nist.gov/vuln/detail/CVE-2026-41178",
"https://github.com/open-telemetry/opentelemetry-go/pull/7880",
"https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835",
"https://access.redhat.com/security/cve/CVE-2026-42502",
"https://www.cve.org/CVERecord?id=CVE-2026-42502",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42502",
"https://go.dev/cl/781701",
"https://go.dev/issue/79572",
"https://pkg.go.dev/vuln/GO-2026-5027",
"https://access.redhat.com/security/cve/CVE-2026-55677",
"https://www.cve.org/CVERecord?id=CVE-2026-55677",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55677",
"https://github.com/labstack/echo/security/advisories/GHSA-vfp3-v2gw-7wfq"
]
},
"related_cves": [
{
"value": "CVE-2026-25681",
"evidence": "/upstream"
},
{
"value": "CVE-2026-27136",
"evidence": "/upstream"
},
{
"value": "CVE-2026-39821",
"evidence": "/upstream"
},
{
"value": "CVE-2026-41178",
"evidence": "/upstream"
},
{
"value": "CVE-2026-42502",
"evidence": "/upstream"
},
{
"value": "CVE-2026-55677",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 378735,
"published_at": "2026-09-11T10:15:13+00:00"
}