CVE-2026-10549 Privilege escalation in Yandex Database
Remote attackers with valid LDAP credentials can bypass group checks to gain unauthorized database access and escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-10549?
CVE-2026-10549 is a medium-severity authentication bypass vulnerability in Yandex Database, published on 2 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-280
Which versions are affected by CVE-2026-10549?
How do I fix CVE-2026-10549?
No fix has been published for CVE-2026-10549 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-10549 being exploited?
There is no known exploitation of CVE-2026-10549 in the wild and no public exploit code.
Sources
Also known as GHSA-4x3h-p6xh-h5x5.