# CVE-2026-11770

## Summary

- **CVE ID:** CVE-2026-11770
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-90
- **Published:** Jul 31, 2026
- **Last Modified:** Aug 18, 2026

## 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.

## Affected Products

- Red Hat — Red Hat Enterprise Linux 10.0 Extended Update Support (0:3.0.6-20.el10_0)
- Red Hat — Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions (0:2.2.4-20.el9_2)
- Red Hat — Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions (0:2.4.5-27.el9_4)
- Red Hat — Red Hat Enterprise Linux 9.6 Extended Update Support (0:2.6.1-23.el9_6)
- Red Hat — Red Hat Directory Server 11.9 for RHEL 8 (8100020260803140625.37ed7c03)
- Red Hat — Red Hat Enterprise Linux 10 (0:3.2.0-9.el10_2)
- Red Hat — Red Hat Enterprise Linux 9 (0:2.8.0-9.el9_8)
- Red Hat — Red Hat Enterprise Linux 8 (8100020260806150504.25e700aa)
- Red Hat — Red Hat Enterprise Linux 7 Extended Lifecycle Support (0:1.3.11.1-14.el7_9)
- Red Hat — Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support (8040020260803141511.96015a92)
- Red Hat — Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On (8040020260803141511.96015a92)
- Red Hat — Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support (8060020260806120442.824efc52)
- Red Hat — Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On (8060020260806120442.824efc52)
- Red Hat — Red Hat Enterprise Linux 8.8 Telecommunications Update Service (8080020260806114228.6dbb3803)
- Red Hat — Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions (8080020260806114228.6dbb3803)
- Red Hat — Red Hat Directory Server 12.2 E4S for RHEL 9 (9020020260730155601.1674d574)
- Red Hat — Red Hat Directory Server 11.7 E4S for RHEL 8 (8080020260806114250.f969626e)
- Red Hat — Red Hat Directory Server 12.4 E4S for RHEL 9 (9040020260810131422.1674d574)

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-11770)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2484802)
- [CNA](https://github.com/389ds/389-ds-base/blob/main/ldap/servers/plugins/replication/repl_extop.c)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55421)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55422)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55425)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55426)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55423)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55424)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55532)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55530)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55756)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55757)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55758)
- [CNA](https://access.redhat.com/errata/RHSA-2026:55794)
- [CNA](https://access.redhat.com/errata/RHSA-2026:56048)
- [CNA](https://access.redhat.com/errata/RHSA-2026:56047)
- [CNA](https://access.redhat.com/errata/RHSA-2026:56050)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 42.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._