Use-After-Free in MongoDB Timeseries Bucket Handling Leads to Denial of Service and Potential Remote Code Execution
An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.
BIT-mongodb-2026-18692
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-2026-18692
mongodb
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 8.0.29
Source 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": "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:P/PR:L/UI:N/VC:H/VI:H/VA:H/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-2026-18692.json"
}
}
]- Related CVEs
- CVE-2026-18692
Source reference:
/aliases
Publisher severity
high
Source reference: /database_specific/severity
- Event
- #59525 · Revision 1
- Added to Heist Feed
- Publisher date