CVE-2025-59792 Overview
CVE-2025-59792 is an information disclosure vulnerability in Apache Kvrocks, a distributed key-value NoSQL database that speaks the Redis protocol. The MONITOR command reveals plaintext credentials to any connected client with sufficient access to run the command. The flaw affects Apache Kvrocks versions 1.0.0 through 2.13.0. The Apache Kvrocks project has released version 2.14.0 to remediate the issue. The vulnerability is categorized under CWE-312: Cleartext Storage of Sensitive Information.
Critical Impact
Any client running MONITOR on an affected Kvrocks instance can passively harvest authentication credentials sent by other clients, enabling credential theft and lateral movement inside the datastore tier.
Affected Products
- Apache Kvrocks 1.0.0 through 2.13.0
- Deployments using AUTH or HELLO AUTH to authenticate clients
- Environments where operators or applications execute the MONITOR command
Discovery Timeline
- 2025-11-28 - CVE-2025-59792 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-59792
Vulnerability Analysis
Apache Kvrocks implements the Redis MONITOR debugging command, which streams every command processed by the server to the subscribing client. In affected versions, the server does not redact sensitive arguments before broadcasting them. As a result, calls such as AUTH <password>, HELLO 2 AUTH <user> <password>, and CONFIG SET requirepass <password> are relayed verbatim to any client running MONITOR.
The vulnerability is network-exploitable and requires no user interaction. Its impact is limited to confidentiality, with no direct integrity or availability loss. However, the exposed material — namespace tokens and administrative passwords — is precisely what an attacker needs to escalate access within the Kvrocks cluster.
Root Cause
The root cause is missing sanitization of command arguments in the MONITOR broadcast path. Redis addressed the same class of issue by masking authentication arguments before echoing commands to monitoring subscribers. Apache Kvrocks lacked equivalent redaction logic, so plaintext credentials passed through the command pipeline into the monitor stream. See the Apache Security Mailing List Post for the project's advisory.
Attack Vector
An attacker who reaches the Kvrocks port and can run MONITOR — either with valid credentials for a low-privilege namespace, through a shared operational account, or via an exposed instance without requirepass — subscribes to the command stream and waits. When another client or automation issues AUTH, HELLO AUTH, or credential-changing CONFIG commands, the attacker receives the plaintext values in real time. The captured credentials can then be replayed against the same instance or against other systems that share the password.
No verified public exploit code is available. The vulnerability is described in prose above; see the Openwall OSS Security Update for the upstream discussion.
Detection Methods for CVE-2025-59792
Indicators of Compromise
- Unexpected MONITOR subscriptions visible in CLIENT LIST output on Kvrocks nodes.
- Long-lived client connections consuming the command stream without issuing normal read or write traffic.
- Authentication anomalies such as successful logins from new source IPs shortly after MONITOR sessions occur.
Detection Strategies
- Audit Kvrocks access logs and CLIENT LIST for any use of the MONITOR command, and correlate the client identity with an approved operator or process.
- Alert on execution of MONITOR by service accounts that historically only issue data-plane commands such as GET, SET, or HSET.
- Review application secret stores and configuration deployments for credentials that were transmitted to Kvrocks during windows when MONITOR sessions were active.
Monitoring Recommendations
- Ingest Kvrocks logs into a centralized logging or SIEM platform and build detections for MONITOR, AUTH, and CONFIG SET requirepass command sequences.
- Track network flows to the Kvrocks port from unexpected internal or external hosts.
- Monitor for credential reuse: authentication failures or successes from IPs that also opened MONITOR sessions.
How to Mitigate CVE-2025-59792
Immediate Actions Required
- Upgrade Apache Kvrocks to version 2.14.0 or later, which redacts sensitive arguments in the MONITOR stream.
- Rotate all Kvrocks passwords, namespace tokens, and any credentials that may have been transmitted to affected instances.
- Restrict use of the MONITOR command to trusted administrative accounts and hosts using ACLs and network segmentation.
Patch Information
The Apache Kvrocks project fixed the issue in version 2.14.0. Refer to the Apache Security Mailing List Post for the official announcement and to the Openwall OSS Security Update for additional context. Upgrade all cluster nodes consistently to prevent mixed-version behavior.
Workarounds
- Disable or restrict the MONITOR command via role-based access controls until the upgrade is completed.
- Enforce TLS on Kvrocks connections and bind the service to internal interfaces only to limit exposure.
- Rotate credentials after any confirmed or suspected use of MONITOR on an unpatched node.
# Example: verify version and restrict MONITOR usage on Apache Kvrocks
kvrocks-cli -h 127.0.0.1 -p 6666 INFO server | grep kvrocks_version
# Expected after patch: kvrocks_version:2.14.0 or later
# Review active monitoring subscribers
kvrocks-cli -h 127.0.0.1 -p 6666 CLIENT LIST | grep -i cmd=monitor
# Rotate the administrative password after upgrade
kvrocks-cli -h 127.0.0.1 -p 6666 CONFIG SET requirepass 'NEW_STRONG_SECRET'
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
