High
gitlab, gitlab-agent — security advisory
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an unauthenticated user to cause denial of service by uploading malicious files.
- Products
- gitlab, gitlab-agent
- Affected versions
- 14.1.0-1, 16.1.3-2, 16.1.3-2build1, 8.4.3+dfsg-12, 8.4.3+dfsg-9, 8.5.8+dfsg-5
- Fixed versions
- Not specified
- CVEs
- CVE-2026-1458
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:02 UTC · Revision 1
Source evidence
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an unauthenticated user to cause denial of service by uploading malicious files.
osv:UBUNTU-CVE-2026-1458
gitlab
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
Complete source record
{
"id": "b6b5f8474250f6526da168e684ddaba74e5c83728bf67e42d72f30f3839647d7",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-1458",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-1458",
"summary": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an unauthenticated user to cause denial of service by uploading malicious files.",
"evidence": "osv:UBUNTU-CVE-2026-1458",
"products": [
{
"name": {
"value": "gitlab",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8.4.3+dfsg-9",
"evidence": "/affected/0/versions"
},
{
"value": "8.4.3+dfsg-12",
"evidence": "/affected/0/versions"
},
{
"value": "8.5.8+dfsg-5",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "14.1.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "16.1.3-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2build1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2",
"evidence": "/affected/4/versions"
},
{
"value": "16.1.3-2build1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-1458",
"aliases": [
"UBUNTU-CVE-2026-1458"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab",
"purl": "pkg:deb/ubuntu/gitlab?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"8.4.3+dfsg-9",
"8.4.3+dfsg-12",
"8.5.8+dfsg-5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1458.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gitlab",
"binary_version": "8.5.8+dfsg-5"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"14.1.0-1",
"16.1.3-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1458.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"16.1.3-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1458.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"16.1.3-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1458.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"16.1.3-2",
"16.1.3-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-1458.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2build1"
}
]
}
}
],
"modified": "2026-10-17T12:58:05.418840966Z",
"provider": "osv",
"upstream": [
"CVE-2026-1458"
],
"references": [
"https://ubuntu.com/security/CVE-2026-1458",
"https://www.cve.org/CVERecord?id=CVE-2026-1458",
"https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/",
"https://gitlab.com/gitlab-org/gitlab/-/issues/587698",
"https://hackerone.com/reports/3517644"
]
},
"related_cves": [
{
"value": "CVE-2026-1458",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 358017,
"published_at": "2026-02-11T12:16:00+00:00"
}