AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

MongoDBGHSA-69mq-vf3m-pgj6

Cross-tenant database retargeting via dot/NUL injection in namespace strings in the C++ Driver

MongoDB

CVE-2026-81522 · Published Aug 27, 2026

High8.1
Fix: upgrade to 4.5.1 or later
GitHub advisory

Impact

Passing untrusted input as part of a database or collection name may result in targeting a different database or collection than specified.

Patches

Fixed in C++ driver 4.5.1.

Workarounds

Validate database and collection names prior to passing into APIs.

References

https://jira.mongodb.org/browse/CXX-3552

Affected versions

PackageAffectedFixed in
MongoDB C++ Driver
Product
< 4.5.14.5.1
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity from
GitHub (reviewed advisory)

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