CVE-2026-84962Authenticated KMS request forgery via CRLF injection in GCP key identifier strings
Updated under an hour ago ()
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It affects MongoDB libmongocrypt. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-93
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mongodb
- NVD analysis
- Analyzed
- Record last updated
- Sep 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MongoDB libmongocrypt mongodb:libmongocrypt (from the name) | before 1.20.2 | CNA record |
mongodb libmongocrypt mongodb:libmongocrypt | before 1.20.2 | NVD |
References
- https://jira.mongodb.org/browse/MONGOCRYPT-960vendor-advisory, permissions-required
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.