HighFix available
Red Hat Security Advisory: cockpit security update
Type: advisorySources: OSV
- Products
- cockpit, cockpit-bridge, cockpit-debuginfo, cockpit-debugsource, cockpit-doc, cockpit-system, cockpit-ws
- Affected versions
- Not specified
- Fixed versions
- 0:264.3-1.el8_6
- CVEs
- CVE-2026-4802
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 11:58 UTC · Revision 1
Source evidence
Red Hat Security Advisory: cockpit security update
core-osv · Original sourcePublished 28 May 2026, 10:07 UTC
Red Hat Security Advisory: cockpit security update
osv:RHSA-2026:21516
cockpit
Fixed versions: 0:264.3-1.el8_6
cockpit-bridge
Fixed versions: 0:264.3-1.el8_6
cockpit-debuginfo
Fixed versions: 0:264.3-1.el8_6
cockpit-debugsource
Fixed versions: 0:264.3-1.el8_6
cockpit-doc
Fixed versions: 0:264.3-1.el8_6
cockpit-system
Fixed versions: 0:264.3-1.el8_6
cockpit-ws
Fixed versions: 0:264.3-1.el8_6
cockpit
Fixed versions: 0:264.3-1.el8_6
cockpit-bridge
Fixed versions: 0:264.3-1.el8_6
cockpit-debuginfo
Fixed versions: 0:264.3-1.el8_6
cockpit-debugsource
Fixed versions: 0:264.3-1.el8_6
cockpit-doc
Fixed versions: 0:264.3-1.el8_6
cockpit-system
Fixed versions: 0:264.3-1.el8_6
cockpit-ws
Fixed versions: 0:264.3-1.el8_6
cockpit
Fixed versions: 0:264.3-1.el8_6
cockpit-bridge
Fixed versions: 0:264.3-1.el8_6
cockpit-debuginfo
Fixed versions: 0:264.3-1.el8_6
cockpit-debugsource
Fixed versions: 0:264.3-1.el8_6
cockpit-doc
Fixed versions: 0:264.3-1.el8_6
cockpit-system
Fixed versions: 0:264.3-1.el8_6
cockpit-ws
Fixed versions: 0:264.3-1.el8_6
Complete source record
{
"id": "96b0be93eda6d8bc02ad8b715c373700afb1312f6a043ff8c0351fba2e24aadd",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A21516",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: cockpit security update",
"summary": "Red Hat Security Advisory: cockpit security update",
"evidence": "osv:RHSA-2026:21516",
"products": [
{
"name": {
"value": "cockpit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-bridge",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debuginfo",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debugsource",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-doc",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-system",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-ws",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-bridge",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debuginfo",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debugsource",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-doc",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-system",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-ws",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-bridge",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/15/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debuginfo",
"evidence": "/affected/16/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/16/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-debugsource",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/17/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-doc",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-system",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/19/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cockpit-ws",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:264.3-1.el8_6",
"evidence": "/affected/20/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:21516",
"aliases": [
"RHSA-2026:21516"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit",
"purl": "pkg:rpm/redhat/cockpit",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-bridge",
"purl": "pkg:rpm/redhat/cockpit-bridge",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-debuginfo",
"purl": "pkg:rpm/redhat/cockpit-debuginfo",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-debugsource",
"purl": "pkg:rpm/redhat/cockpit-debugsource",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "cockpit-doc",
"purl": "pkg:rpm/redhat/cockpit-doc",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
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"events": [
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},
{
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}
],
"package": {
"name": "cockpit-system",
"purl": "pkg:rpm/redhat/cockpit-system",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
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}
],
"package": {
"name": "cockpit-ws",
"purl": "pkg:rpm/redhat/cockpit-ws",
"ecosystem": "Red Hat:rhel_aus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
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}
],
"package": {
"name": "cockpit",
"purl": "pkg:rpm/redhat/cockpit",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
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},
{
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],
"package": {
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"purl": "pkg:rpm/redhat/cockpit-bridge",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
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}
],
"package": {
"name": "cockpit-debuginfo",
"purl": "pkg:rpm/redhat/cockpit-debuginfo",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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{
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}
]
}
],
"package": {
"name": "cockpit-debugsource",
"purl": "pkg:rpm/redhat/cockpit-debugsource",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-doc",
"purl": "pkg:rpm/redhat/cockpit-doc",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-system",
"purl": "pkg:rpm/redhat/cockpit-system",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "cockpit-ws",
"purl": "pkg:rpm/redhat/cockpit-ws",
"ecosystem": "Red Hat:rhel_e4s:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "cockpit",
"purl": "pkg:rpm/redhat/cockpit",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
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{
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{
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},
{
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}
]
}
],
"package": {
"name": "cockpit-bridge",
"purl": "pkg:rpm/redhat/cockpit-bridge",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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},
{
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}
]
}
],
"package": {
"name": "cockpit-debuginfo",
"purl": "pkg:rpm/redhat/cockpit-debuginfo",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
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"events": [
{
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},
{
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}
]
}
],
"package": {
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"purl": "pkg:rpm/redhat/cockpit-debugsource",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "cockpit-doc",
"purl": "pkg:rpm/redhat/cockpit-doc",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-system",
"purl": "pkg:rpm/redhat/cockpit-system",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:264.3-1.el8_6"
}
]
}
],
"package": {
"name": "cockpit-ws",
"purl": "pkg:rpm/redhat/cockpit-ws",
"ecosystem": "Red Hat:rhel_tus:8.6::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:21516.json"
}
}
],
"modified": "2026-10-14T10:15:35Z",
"provider": "osv",
"upstream": [
"CVE-2026-4802"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:21516",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2451155",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21516.json",
"https://access.redhat.com/security/cve/CVE-2026-4802",
"https://www.cve.org/CVERecord?id=CVE-2026-4802",
"https://nvd.nist.gov/vuln/detail/CVE-2026-4802",
"https://github.com/cockpit-project/cockpit/blob/e204cd130/pkg/systemd/logsJournal.jsx#L206-L210"
]
},
"related_cves": [
{
"value": "CVE-2026-4802",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 315828,
"published_at": "2026-05-28T10:07:50+00:00"
}