Medium severity · published Feb 10, 2026
CVE-2026-2302
Unsafe Reflection in Mongoid::Criteria.from_hash
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
Under specific conditions when processing a maliciously crafted value of type Hash r, Mongoid::Criteria.from_hash may allow for executing arbitrary Ruby code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MR
MongoDB Ruby Driver · MongoDB Inc
7.0.0 through 7.6.1; 8.0.0 through 8.0.12; 8.1.0 through 8.1.12; 9.0.0 through 9.0.10 · source: vendor