High
Improper Validation of Specified Quantity in Input in GitLab
Type: advisorySources: OSV
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-1092
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 10:00 UTC · Revision 1
Source evidence
Improper Validation of Specified Quantity in Input in GitLab
core-osv · Original sourcePublished 8 Apr 2026, 22:26 UTC
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.
osv:CVE-2026-1092
Complete source record
{
"id": "78d0357f1ab4dd67941db6ab442768a7c2ce836aef415d3ecdac924e0e322c45",
"url": "https://osv.dev/vulnerability/CVE-2026-1092",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Improper Validation of Specified Quantity in Input in GitLab",
"summary": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.10 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an unauthenticated user to cause denial of service due to improper input validation of JSON payloads.",
"evidence": "osv:CVE-2026-1092",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-1092",
"aliases": [
"BIT-gitlab-2026-1092",
"CVE-2026-1092"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "58d798bed6228196b580ae8def5d5080e5a56c73"
},
{
"fixed": "0e5855944a09654b84df0e4549c957a5d8c11c9d"
},
{
"introduced": "20fe49b575fedd2b8cadc2c0640178879854aeb3"
},
{
"fixed": "195c0c16799d8e10e8c16f129b0719f6c48b6110"
},
{
"introduced": "57c08314af5bc8f317b1967330f92ed029e2c628"
},
{
"fixed": "1dcd29ee5eb310bc7572339a95188e123e83970b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.10.0"
},
{
"fixed": "18.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.10.0"
},
{
"fixed": "18.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.9.0"
},
{
"fixed": "18.9.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.9.0"
},
{
"fixed": "18.9.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.10.0"
},
{
"fixed": "18.10.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.10.0"
},
{
"fixed": "18.10.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v18.9.0-ee",
"v18.9.4-ee",
"v18.10.2-ee",
"v18.10.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-1092.json"
}
}
],
"modified": "2026-10-30T10:30:58.609647723Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/",
"https://gitlab.com/gitlab-org/gitlab/-/work_items/586479",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1092.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-1092",
"https://hackerone.com/reports/3487030"
],
"provider_metadata": {
"cwe_ids": [
"CWE-1284"
],
"cna_assigner": "GitLab",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "12.10"
},
{
"fixed": "18.8.9"
},
{
"introduced": "18.9"
},
{
"fixed": "18.9.5"
},
{
"introduced": "18.10"
},
{
"fixed": "18.10.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "12.10"
},
{
"fixed": "18.8.9"
},
{
"introduced": "18.9"
},
{
"fixed": "18.9.5"
},
{
"introduced": "18.10"
},
{
"fixed": "18.10.3"
}
],
"source": "DESCRIPTION"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1092.json"
}
},
"related_cves": [
{
"value": "CVE-2026-1092",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 511559,
"published_at": "2026-04-08T22:26:12.837+00:00"
}