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TI-2026-01522 Aliases CVE-2026-1848GHSA-wv25-wjh7-whjh

Resource allocation without limits in MongoDB Server

Priority MEDIUM 41CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
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

Connections received from the proxy port may not count towards total accepted connections, resulting in server crashes if the total number of connections exceeds available resources. This only applies to connections accepted from the proxy port, pending the proxy protocol header.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Fix Fixed MongoDB Server (MongoDB Inc): 8.2.4, 8.0.18, 7.0.29

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 Server8.2 to before 8.2.4; 8.0 to before 8.0.18; 7.0 to before 7.0.298.2.4, 8.0.18, 7.0.29Patch availableCNA
  • MongoDB Server VendorMongoDB Affected 8.2 to before 8.2.4; 8.0 to before 8.0.18; 7.0 to before 7.0.29 Fixed in 8.2.4, 8.0.18, 7.0.29 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*7.0.0 to before 7.0.29; 8.0.0 to before 8.0.18; 8.2.0 to before 8.2.4VulnerableMongoDB
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* Versions 7.0.0 to before 7.0.29; 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 8.2.4, 8.0.18, 7.0.29

Fixed in the same release

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

  • Release ·

    MongoDB Server 7.0.29, 8.0.18, 8.2.4

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-20718 Pre-Authentication Memory Exhaustion Denial of Service in MongoDB ServerPriority MEDIUM 45
    • TI-2026-20720 An unsafe cast in the MongoDB query planner can result in a segmentation fault.Priority LOW 31
    • TI-2026-20719 Internal ResourceId collision may affect unrelated collectionsPriority LOW 31

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1848
  2. 2026-10-03 Alias added: GHSA-wv25-wjh7-whjh

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