CVE-2026-84962

MEDIUMCVSS 4.2/10EPSS 0.12%

Last modified

CVE-2026-84962 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
MongodbLibmongocrypt< 1.20.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-84962?
An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.
How severe is CVE-2026-84962?
CVE-2026-84962 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84962?
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