Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections via the validate Command
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations, unauthorized modification of system collection data.
BIT-mongodb-2026-18698
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: osv:BIT-mongodb-2026-18698
mongodb
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 7.0.40
Source reference:
/affected/0/ranges8.0.29Source reference:
/affected/0/ranges8.3.8Source reference:
/affected/0/ranges9.0.2Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.40"
},
{
"introduced": "8.0.0"
},
{
"fixed": "8.0.29"
},
{
"introduced": "8.2.0"
},
{
"fixed": "8.3.8"
},
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.2"
}
]
}
],
"package": {
"name": "mongodb",
"purl": "pkg:bitnami/mongodb",
"ecosystem": "Bitnami"
},
"severity": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"database_specific": {
"source": "https://github.com/bitnami/vulndb/tree/main/data/mongodb/BIT-mongodb-2026-18698.json"
}
}
]- Related CVEs
- CVE-2026-18698
Source reference:
/aliases
Publisher severity
medium
Source reference: /database_specific/severity
- Event
- #59509 · Revision 1
- Added to Heist Feed
- Publisher date