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TI-2026-84562 Aliases CVE-2026-120952GHSA-v67f-82m7-4vcj

Out-of-bounds write in MongoDB Atlas SQL ODBC Driver

Priority LOW 27CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

MongoDB Atlas SQL ODBC Driver from 0.0.1 before 3.0.1 contains an out-of-bounds write (CWE-787). When a database value is retrieved into a fixed-size SQL_C_GUID target, the driver copies a longer textual form without limiting the copy to the target size. A database user with basic write privileges can influence data written past the target, which may corrupt memory in the application and cause it to terminate unexpectedly.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

An out-of-bounds write in the MongoDB Atlas SQL ODBC Driver may be triggered when a value of a particular database type is retrieved into a fixed-width client-side target. The driver produces a textual form of the value that is longer than the fixed target the ODBC interface defines, and copies it without limiting the copy to the target's real size. A database user with basic write privileges can influence part of the data written outside the target, which may corrupt memory in the application using the driver and cause that application to terminate unexpectedly.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00364 30th percentileScored 2026-11-07
Fix Fixed Atlas SQL ODBC Driver (MongoDB): 3.0.1

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
MongoDBAtlas SQL ODBC Driver0.0.1 to before 3.0.13.0.1Patch availableCNA
  • Atlas SQL ODBC Driver VendorMongoDB Affected 0.0.1 to before 3.0.1 Fixed in 3.0.1 Patch available CNA

Remediation

Upgrade MongoDB Atlas SQL ODBC Driver to 3.0.1, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

  • Fix · CNA Atlas SQL ODBC Driver (MongoDB) Fixed in 3.0.1

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-120952
  2. 2026-11-03 Alias added: GHSA-v67f-82m7-4vcj
  3. 2026-11-05 Priority changed: MEDIUM → LOW
  4. 2026-11-06 CISA SSVC decision points changed

References

Other 2

  • TI-2019-08023 Code injection in mongo-express KEVCVSS 3.1CRITICAL 9.9
  • TI-2025-13542 Zlib compressed protocol header length confusion may allow memory read KEVCVSS 4.0HIGH 8.7
  • TI-2026-79432 BSON output corruption via out-of-range binary subtype in MongoDB C# Driver CVSS 4.0MEDIUM 6.9
  • TI-2026-79424 NoSQL command injection via mismatched BSON length in MongoDB C# Driver CVSS 4.0MEDIUM 6.9
  • TI-2026-79422 Unbounded memory growth in MongoDB C# Driver BSON deserialization CVSS 4.0HIGH 8.2
  • TI-2026-79427 Authentication bypass via issuer-and-serial-only certificate equality CVSS 4.0HIGH 7.6
See all 376 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences