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TI-2026-11114 Aliases CVE-2026-13065GHSA-9f98-54v9-5hh9

MongoDB $linearFill Window Function Improper Input Validation Leading to Process Termination

Priority LOW 32CWE-476Published · 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-476.

Summary

A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00497 42nd percentileScored 2026-11-07
Fix Fixed MongoDB Server (MongoDB): 7.0.39, 8.0.28, 8.2.12 +1

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 Server7.0 to before 7.0.39; 8.0 to before 8.0.28; 8.2.0 to before 8.2.12; 8.3.0 to before 8.3.77.0.39, 8.0.28, 8.2.12, 8.3.7Patch availableCNA
  • MongoDB Server VendorMongoDB Affected 7.0 to before 7.0.39; 8.0 to before 8.0.28; 8.2.0 to before 8.2.12; 8.3.0 to before 8.3.7 Fixed in 7.0.39, 8.0.28, 8.2.12, 8.3.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*7.0.0 to before 7.0.39; 8.0.0 to before 8.0.28; 8.2.0 to before 8.2.12; 8.3.0 to before 8.3.7VulnerableMongoDB
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* Versions 7.0.0 to before 7.0.39; 8.0.0 to before 8.0.28; 8.2.0 to before 8.2.12; 8.3.0 to before 8.3.7 Vulnerable ·MongoDB

Remediation

  • Fix · CNA MongoDB Server (MongoDB) Fixed in 7.0.39, 8.0.28, 8.2.12, 8.3.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    MongoDB Server 7.0.39, 8.0.28 and 2 more versions

    15 records Highest priority Priority MEDIUM 1 MEDIUM, 14 LOW

    Other records, highest priority first

    • TI-2026-11121 MongoDB Improper Input Validation in Compute Mode External Data Processing Leading to Memory CorruptionPriority MEDIUM 42
    • TI-2026-11108 Improper Validation of Client-Supplied Command Parameters Allowing Role-Based Access Control BypassPriority LOW 39
    • TI-2026-11123 Awaitable Hello Command in Exhaust Mode Unthrottled Response Loop Leading to Denial of ServicePriority LOW 37

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13065
  2. 2026-10-03 Alias added: GHSA-9f98-54v9-5hh9

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