High
Race Condition in MongoDB Server Document Value Layer Leads to Memory Corruption
Type: advisorySources: OSV
A race condition in the document value layer of MongoDB Server can allow concurrent server threads to operate on the same internal memory without synchronization, leading to memory corruption. An authenticated user holding ordinary read-write privileges on a database may be able to trigger this condition over the normal client protocol, resulting in server termination and potential corruption of process memory with user-influenced content. Successful use of this issue may impact the confidentiality, integrity, and availability of the affected server process.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-89099
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 17:32 UTC · Revision 1
Source evidence
Race Condition in MongoDB Server Document Value Layer Leads to Memory Corruption
core-osv · Original sourcePublished 11 Sept 2026, 17:39 UTC
A race condition in the document value layer of MongoDB Server can allow concurrent server threads to operate on the same internal memory without synchronization, leading to memory corruption. An authenticated user holding ordinary read-write privileges on a database may be able to trigger this condition over the normal client protocol, resulting in server termination and potential corruption of process memory with user-influenced content. Successful use of this issue may impact the confidentiality, integrity, and availability of the affected server process.
osv:CVE-2026-89099
Complete source record
{
"id": "4f058368db558e5d0ea8063cff65b7c6eb4a461eeeb4808ecdda2ec1739cba17",
"url": "https://osv.dev/vulnerability/CVE-2026-89099",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Race Condition in MongoDB Server Document Value Layer Leads to Memory Corruption",
"summary": "A race condition in the document value layer of MongoDB Server can allow concurrent server threads to operate on the same internal memory without synchronization, leading to memory corruption. An authenticated user holding ordinary read-write privileges on a database may be able to trigger this condition over the normal client protocol, resulting in server termination and potential corruption of process memory with user-influenced content. Successful use of this issue may impact the confidentiality, integrity, and availability of the affected server process.",
"evidence": "osv:CVE-2026-89099",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-89099",
"aliases": [
"BIT-mongodb-2026-89099",
"CVE-2026-89099"
],
"metrics": [
{
"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"
}
],
"affected": [
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"repo": "https://github.com/mongodb/mongo",
"type": "GIT",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"range": [
{
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{
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"source": "CPE_STRING"
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]
}
}
],
"versions": [
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89099.json"
}
}
],
"modified": "2026-10-28T02:30:37.778362376Z",
"provider": "osv",
"references": [
"https://jira.mongodb.org/browse/SERVER-134063",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89099.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-89099"
],
"provider_metadata": {
"cwe_ids": [
"CWE-362"
],
"cna_assigner": "mongodb",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "8.3.0"
},
{
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},
{
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{
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},
{
"introduced": "7.0"
},
{
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}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89099.json"
}
},
"related_cves": [
{
"value": "CVE-2026-89099",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505333,
"published_at": "2026-09-11T17:39:58.987+00:00"
}