CVE-2026-11770
High
Description
A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and returns a boolean match result, the attacker can extract sensitive server configuration metadata, including replication bind DNs and password storage scheme information.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Redhat Directory Server
PublishedJul 31, 2026
First seenJul 31, 2026
Weakness typeCWE-90CWE-90
How to fix
Vendor advisories
- access.redhat.com/security/cve/CVE-2026-11770
- bugzilla.redhat.com/show_bug.cgi?id=2484802
- access.redhat.com/errata/RHSA-2026:55421
- access.redhat.com/errata/RHSA-2026:55422
- access.redhat.com/errata/RHSA-2026:55423
- access.redhat.com/errata/RHSA-2026:55424
- access.redhat.com/errata/RHSA-2026:55425
- access.redhat.com/errata/RHSA-2026:55426
- access.redhat.com/errata/RHSA-2026:55530
- access.redhat.com/errata/RHSA-2026:55532
- access.redhat.com/errata/RHSA-2026:55756
- access.redhat.com/errata/RHSA-2026:55757
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat directory_server | 11.0, 12.0, 13.0 | — |
| redhat 389_directory_server | No range specified | — |
| redhat enterprise_linux | 7.0, 8.0, 9.0, 10.0 | — |
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