CVE-2026-10549 PUBLISHED

Privilege escalation in Yandex Database

Assigner: yandex
Reserved: 01.06.2026 Published: 02.06.2026 Updated: 02.06.2026

LDAP filter injection vulnerability in Yandex Database prior to 25.3.1.25 allows a remote attacker with valid LDAP credentials to bypass group membership checks resulting in unauthorized access to the database.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/AU:Y
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	Low
Attack Complexity	Low	Integrity	Low	Integrity	Low
Attack Requirements	None	Availability	Low	Availability	Low
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Yandex
Product	Yandex Database
Versions	Default: unaffected affected from 0 to 25.3.1.25 (excl.)

References

https://ydb.tech/docs/ru/security-changelog

Problem Types

CWE-280 Improper handling of insufficient permissions or privileges CWE

Impacts

CAPEC-233 Privilege Escalation