CVE-2026-93762: mongodb inc. mongoid Unsafe Reflection
Vulnerability summary
CVE-2026-93762 is a critical (CVSS 9.8) Unsafe Reflection vulnerability in mongodb inc. mongoid. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.2% of scored vulnerabilities.
Timeline
- 18-09-2026PublishedVulnerability first disclosed.
- 21-09-2026Last modifiedVulnerability information updated.
Description
Mongoid contains an unsafe reflection weakness in the query path used for embedded documents. An application that passes an externally supplied field name to certain in-memory query methods may allow an unauthenticated party to obtain unintended disclosure of stored document data and to permanently remove stored records.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST9.2CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.24 pp
From 0.34% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mongodb1 product
- mongoid≥ 7.5.0, < 7.5.4 | ≥ 7.6.0, < 7.6.2 | ≥ 8.0.0, < 8.0.12 | ≥ 8.1.0, < 8.1.13 | ≥ 9.0.0, < 9.0.12 | 9.1.0
Mongodb inc.1 product
- mongoid9.1.0 | ≥ 9.0.0, ≤ 9.0.11 | ≥ 8.1.0, ≤ 8.1.12 | ≥ 8.0.0, ≤ 8.0.12 | ≥ 7.6.0, ≤ 7.6.1 | ≥ 7.5.0, ≤ 7.5.4
2 vendors · 2 products
References
1 links- jira.mongodb.org/browse/MONGOID-5973Permissions Required