CVE-2026-81532CWE-121

CVE-2026-81532

High · published August 29, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
41.2
In the wild
Unconfirmed
What it is

A user able to submit SQL through an application using the MongoDB Connector for BI ODBC driver can supply a positioned-cursor statement whose cursor name exceeds the size of an internal fixed-length buffer. Because the name length is not bounded before the driver builds its diagnostic message, memory adjacent to that buffer is overwritten with user-supplied content. This can terminate the hosting application process and may allow unintended code to run within it.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00490 · 41.2th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-08-29T02:16Z
Affected products (1)
ProductVersionsFixed in
mongodb/bi_connector_odbc_driver< 1.4.101.4.10
References (1)
EPSS history
Timeline
  • 30 AUG 16:19Z
    EPSS moved — → 0%
    epss
  • 28 AUG 20:26Z
    BI Connector ODBC Driver Improper Bounds Checking on Cursor Name Leading to Memory Corruption
    cvelistv5