This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MongoDB, Inc. | MongoDB Server | unaffected |
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Solution
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Workaround
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| Link | Providers |
|---|---|
| https://jira.mongodb.org/browse/SERVER-121610 |
|
Wed, 13 May 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | After invoking $_internalJsEmit, which is not intended to be directly accessible, or mapreduce command’s map function in a certain way, an authenticated user can subsequently crash mongod when the server-side JavaScript engine (through $where, $function, mapreduce reduce stage, etc.) is used also in a specific way, resulting in a post-authentication denial-of-service. This issue impacts MongoDB Server v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2. | |
| Title | Post-authentication use-after-free error in $_internalJsEmit and mapreduce commands | |
| Weaknesses | CWE-416 | |
| References |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: mongodb
Published:
Updated: 2026-05-13T00:16:16.568Z
Reserved: 2026-05-11T15:37:59.492Z
Link: CVE-2026-8336
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-05-13T01:45:16Z