CVE-2026-82063

MEDIUMCVSS 5.3/10EPSS 0.26%

Last modified

CVE-2026-82063 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
MongodbMongodb>= 7.0.0, < 7.0.41
MongodbMongodb>= 8.0.0, < 8.0.30
MongodbMongodb>= 8.3.0, < 8.3.9

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-82063?
A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.
How severe is CVE-2026-82063?
CVE-2026-82063 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-82063?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST