CVE-2026-81523

EUVD-2026-67207
A missing input-validation issue in MongoDB libmongocrypt's automatic-encryption context setup allows a caller-supplied database identifier to be accepted without sanitization. The resulting impact is limited to incorrect schema selection, which may lead to limited disclosure or modification of information handled by the application.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 0.73%
Affected Products (NVD)
VendorProductVersion
mongodblibmongocrypt
𝑥
< 1.20.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libmongocrypt
bookworm
postponed
forky
1.20.4-1
fixed
sid
1.20.4-1
fixed
trixie
1.13.2-1+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libmongocrypt
jammy
needs-triage
noble
needs-triage
resolute
needs-triage