CVE-2026-107325 Application denial of service via missing BSON array length validation in MongoDB Go Driver
An attacker can cause a denial of service by supplying malformed BSON data to applications using the MongoDB Go Driver, triggering a runtime panic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-107325?
CVE-2026-107325 is a high-severity denial of service vulnerability in MongoDB Go Driver, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper validation of a BSON array length in the MongoDB Go Driver can cause an out-of-bounds index and runtime panic when an application calls bson.RawArray.Validate or bsoncore.Array.Validate on a malformed four-byte array. An unauthenticated actor who can supply raw BSON array data to an affected application may terminate an unprotected application process, causing a denial of service. No confidentiality or integrity impact has been identified.
Weakness: CWE-129
Which versions are affected by CVE-2026-107325?
It affects 1 product.
Products include Mongodb Go Driver.
How do I fix CVE-2026-107325?
No fix has been published for CVE-2026-107325 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-107325 being exploited?
There is no known exploitation of CVE-2026-107325 in the wild and no public exploit code.
Other vulnerabilities in MongoDB Go Driver
- CVE-2026-107324 Application denial of service via integer overflow in BSON value-length validation in MongoDB Go Driver
- CVE-2026-81521 Cross-database write retargeting via unvalidated dotted database name in Client.BulkWrite in the MongoDB Go Driver
- CVE-2021-20329 Specific cstrings input may not be properly validated in the Go Driver
- CVE-2026-88031 GridFS data deletion via query-operator injection in file IDs in the MongoDB Go Driver
Sources
Also known as AZL-107057, AZL-107090, AZL-107108, AZL-107547, AZL-107579, AZL-107595 and 8 more.