CVE-2025-60537
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper input validation in the component /kafka/ui/serdes/CustomSerdeLoader.java of kafka-ui v0.6.0 to v0.7.2 allows attackers to execute arbitrary code via supplying crafted data.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceImproper input validation in CustomSerdeLoader.java of kafka-ui versions 0.6.0 to 0.7.2 allows remote attackers to execute arbitrary code by supplying crafted data through the serialization/deserialization component.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify kafka-ui versionLocate the running kafka-ui instance and retrieve its version number (typically visible in the UI footer, in startup logs, or via the /api/version endpoint if available). Compare this version against the affected range 0.6.0 to 0.7.2.Affected if The installed version falls within 0.6.0 through 0.7.2 inclusive.
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Confirm CustomSerdeLoader component presenceInspect the kafka-ui deployment for the presence of the CustomSerdeLoader.java compiled class or its source file within the kafka-serde or similar serialization-related package. Check application startup logs for references to CustomSerdeLoader initialization.Affected if CustomSerdeLoader is present and loaded by the application.
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Verify serialization/deserialization features are in useReview kafka-ui configuration files (application.yml or application.properties) for any custom serde configurations, schema registry settings, or custom serializer/deserializer definitions that would invoke CustomSerdeLoader.Affected if Custom serde configurations or custom serializers are defined and active in the configuration.
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Assess network accessibilityDetermine if the kafka-ui web interface is exposed to untrusted networks. Check firewall rules, reverse proxy configurations, or cloud security groups that permit access to the kafka-ui port (typically 8080).Affected if Kafka-ui is accessible from networks beyond the trusted administrative segment.
A user is affected if their kafka-ui version is between 0.6.0 and 0.7.2 inclusive, CustomSerdeLoader is present and active, and the interface is network-accessible to potential attackers.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpgrade kafka-ui to v0.7.3 or later which contains the patched version. As a compensating control, restrict access to the CustomSerdeLoader functionality and implement network-level segmentation.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-60537 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-60537 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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