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TI-2026-01524 Aliases CVE-2026-1850GHSA-v4j3-xhwp-3v3w

Resource allocation without limits in MongoDB Server

Priority LOW 31CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

Complex queries can cause excessive memory usage in MongoDB Query Planner resulting in an Out-Of-Memory Crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00288 21st percentileScored 2026-11-07
Fix Fixed MongoDB Server (MongoDB Inc): 8.0.18, 8.2.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MongoDBMongoDB Server8.0 to before 8.0.18; 8.2 to before 8.2.48.0.18, 8.2.4Patch availableCNA
  • MongoDB Server VendorMongoDB Affected 8.0 to before 8.0.18; 8.2 to before 8.2.4 Fixed in 8.0.18, 8.2.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*8.0.0 to before 8.0.18; 8.2.0 to before 8.2.4VulnerableMongoDB
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* Versions 8.0.0 to before 8.0.18; 8.2.0 to before 8.2.4 Vulnerable ·MongoDB

Remediation

  • Fix · CNA MongoDB Server (MongoDB Inc) Fixed in 8.0.18, 8.2.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1850
  2. 2026-10-03 Alias added: GHSA-v4j3-xhwp-3v3w

References

  • TI-2025-13542 Zlib compressed protocol header length confusion may allow memory read KEVCVSS 4.0HIGH 8.7
  • TI-2013-01669 MongoDB before 2.0.9 and 2.2.x before 2.2.4 does not properly validate requests to the… CVSS 2.0MEDIUM 6.0
  • TI-2026-56639 Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated Denial of Service CVSS 4.0HIGH 8.7
  • TI-2026-56628 Reachable assertion in MongoDB Server CVSS 4.0HIGH 8.7
  • TI-2026-15322 Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongos CVSS 4.0HIGH 8.7
  • TI-2026-08537 Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow CVSS 4.0HIGH 8.7
See all 187 →

Sources