Medium
Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain deployment configurations, could have allowed an authenticated user to poison cached page content served to other users due to improper cache key construction.
Announced Group revision 1
Original source ↗CVE-2026-100755
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-100755
GitLab
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"repo": "https://gitlab.com/gitlab-org/gitlab",
"vendor": "GitLab",
"product": "GitLab",
"versions": [
{
"status": "affected",
"version": "16.2",
"lessThan": "19.2.8",
"versionType": "semver"
},
{
"status": "affected",
"version": "19.3",
"lessThan": "19.3.5",
"versionType": "semver"
},
{
"status": "affected",
"version": "19.4",
"lessThan": "19.4.2",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-100755
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #23013 · Revision 1
- Added to Heist Feed
- Publisher date