CVE-2026-6914: MD5 checksum creation may cause availability loss
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
mongodb/mongodb-serverto a version that resolves this vulnerability.Fixed in 8.0.21 - Upgrade
Upgrade
mongodb/mongodb-serverto a version that resolves this vulnerability.Fixed in 7.0.32
Event History
Frequently Asked Questions
What is the severity of CVE-2026-6914?
The severity of CVE-2026-6914 is considered to be high due to the potential loss of availability in MongoDB server.
How do I fix CVE-2026-6914?
To fix CVE-2026-6914, upgrade your MongoDB server to the latest version that addresses this vulnerability.
What versions of MongoDB are affected by CVE-2026-6914?
CVE-2026-6914 affects all MongoDB Server versions 8.2, 8.1, and 8.0 versions prior to 8.0.21.
What type of attack does CVE-2026-6914 represent?
CVE-2026-6914 represents a vulnerability that may lead to denial of service due to malformed BSON object processing.
Is there a workaround for CVE-2026-6914?
Currently, the most effective solution for CVE-2026-6914 is to upgrade to a patched version, as no specific workaround is available.