Medium
Fixed values in MongoDB Server $bucket stage may be misread as field references
An issue in MongoDB Server's aggregation framework can cause certain constant values to be handled incorrectly during internal query rewriting. Under certain conditions, an authenticated user with read access may receive field values in aggregation output that the query did not intend to return.
Announced Group revision 1
Original source ↗CVE-2026-103965
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-2026-103965
MongoDB Server
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.
[
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"versions": [
{
"status": "affected",
"version": "8.3.0",
"lessThan": "8.3.13",
"versionType": "semver"
},
{
"status": "affected",
"version": "8.0",
"lessThan": "8.0.34",
"versionType": "semver"
},
{
"status": "affected",
"version": "7.0",
"lessThan": "7.0.45",
"versionType": "semver"
},
{
"status": "affected",
"version": "9.0",
"lessThan": "9.0.4",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103965
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #20378 · Revision 1
- Added to Heist Feed
- Publisher date