Out-of-bounds Read in Mongodb Server
CVE-2026-13077
A missing bounds check in the BSON CodeWScope element accessors allows an attacker to trigger an out-of-bounds heap read via a crafted aggregation pipeline. The vulnerability can be exploited by an authenticated user by generating a malfor…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.
Affected products
- Mongodb Server — versions 7.0, 8.0, 8.2.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-13077?
- CVE-2026-13077 is a high-severity vulnerability in Mongodb Server, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-07-22.
- How severe is CVE-2026-13077?
- High severity. CVSS v3 base score is 7.1 out of 10.