Security readout for executives and security teams
Plain-English summary
CVE-2026-2302 is a medium-severity issue in MongoDB’s Ruby ecosystem where Mongoid::Criteria.from_hash may execute arbitrary Ruby code when it processes a malicious Hash value under specific conditions. The record indicates attacker privileges and user interaction are required, reducing urgency versus unauthenticated remote code execution.
Executive priority
Treat as a targeted remediation item, not an emergency, unless critical Ruby applications expose this parsing path to semi-trusted users. Assign ownership to application and dependency teams to confirm exposure and monitor MongoDB guidance.
Technical view
The CVE describes unsafe reflection in Mongoid::Criteria.from_hash. A crafted Hash value may lead to arbitrary Ruby code execution. The listed affected product is MongoDB Ruby Driver versions 7.0.0, 8.0.0, 8.1.0, and 9.0.0, with default status unaffected outside listed versions. CVSS 4.0 score is 6.9.
Likely exposure
Exposure is most likely in Ruby applications using the listed MongoDB Ruby Driver/Mongoid functionality and passing user-influenced Hash data into Mongoid::Criteria.from_hash. Confirm actual package usage because the CVE title references Mongoid while the affected product entry names MongoDB Ruby Driver.
Exploitation context
The CVSS vector indicates network reachability, low attack complexity, required low privileges, and required user interaction. The source bundle does not report active exploitation, and KEV is false. No public exploit status is provided in the supplied sources.
Researcher notes
Evidence is limited to the CVE record and MongoDB Jira reference. The affected-product naming appears ambiguous between Mongoid and MongoDB Ruby Driver. Do not assume broader impact beyond the listed versions and described from_hash condition without vendor confirmation.
Mitigation direction
- Inventory Ruby applications using Mongoid or the listed MongoDB Ruby Driver versions.
- Check MongoDB’s Jira issue and official advisories for patched versions or guidance.
- Avoid passing untrusted Hash input into Mongoid::Criteria.from_hash until vendor guidance is confirmed.
- Prioritize review of internet-facing applications and administrative workflows using this code path.
Validation and detection
- Identify applications with the listed affected versions: 7.0.0, 8.0.0, 8.1.0, or 9.0.0.
- Review code paths that call Mongoid::Criteria.from_hash with user-influenced data.
- Confirm whether compensating input validation prevents untrusted Hash values reaching the method.
- Track the MongoDB Jira reference for status, fixes, or vendor clarification.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-183: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-2302 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.mongodb.org/browse/MONGOID-5919CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Permissive List of Allowed Inputs
Permissive List of Allowed Inputs represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.