CVE-2026-81524 Affecting mongo-c-driver package, versions <2.5.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-MONGOCDRIVER-19408697
- published28 Aug 2026
- disclosed27 Aug 2026
Introduced: 27 Aug 2026
NewCVE-2026-81524 (opens in a new tab)How to fix?
Upgrade Debian:unstable mongo-c-driver to version 2.5.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mongo-c-driver package and not the mongo-c-driver package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
A weakness in the MongoDB C Driver allows special elements in caller-supplied database and collection name components to pass without sanitization when the driver composes the target namespace for an operation. An application that incorporates untrusted input into these name components can have operations directed at a resource other than the one intended.