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-122449 |
|
Wed, 13 May 2026 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An authenticated user can cause excess memory usage via bitwise match expression AST processing of $bitsAllSet, $bitsAnySet, $bitsAllClear, and $bitsAnyClear. This contributes to memory pressure and may lead to availability loss by OOM. 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-auth memory exhaustion via bitwise match expressions | |
| Weaknesses | CWE-1325 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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MITRE
Status: PUBLISHED
Assigner: mongodb
Published:
Updated: 2026-05-13T00:05:22.748Z
Reserved: 2026-05-08T23:41:03.607Z
Link: CVE-2026-8199
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-05-13T01:45:16Z