Locked-account access via retained SASL bind state
Published Aug 3, 2026 · Updated Aug 3, 2026
Improper authentication in Red Hat 389 Directory Server allows remote authenticated users to retain a locked account's access. During SASL PLAIN bind handling, the server installs connection credentials after password verification but before checking nsAccountLock, then retains that state when the bind fails. Exploitation requires the locked account's valid password; the connection can read or modify only data already permitted to that account, without privilege escalation.
Summary
What happened
Improper authentication in Red Hat 389 Directory Server allows remote authenticated users to retain a locked account's access. During SASL PLAIN bind handling, the server installs connection credentials after password verification but before checking nsAccountLock, then retains that state when the bind fails. Exploitation requires the locked account's valid password; the connection can read or modify only data already permitted to that account, without privilege escalation.
The record
- CVE
- CVE-2026-18651
- Published
- Aug 3, 2026
- Updated
- Aug 3, 2026
- Vendor
- 389 Directory Server
- Product
- Red Hat Enterprise Linux 10
- Classifications
- CWE-287, T1078
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 3, 2026CVE publishedPublication date reported by the CVE source.
- Aug 3, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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