BIT-mongodb-2026-18688

vendorUSosv

Out-of-Bounds Read in MongoDB Aggregation Framework Leads to Denial of Service and Potential Memory Disclosure

view advisory published 2026-09-17Licence: per source

An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a certain aggregation pipeline stage. This could result in a server crash (denial of service) and may potentially expose a limited amount of memory contents.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-18688US——
An issue in MongoDB Server's aggregation framework could allow an authenticated user to trigger an out-of-bounds memory read by providing a specially formed numeric parameter in a…
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references

External citations — patches, advisories, analysis.

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