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Apache Kylin Server-Side Request Forgery (SSRF) Vulnerability

High severity GitHub Reviewed Published Oct 2, 2025 to the GitHub Advisory Database • Updated Oct 2, 2025

Package

maven org.apache.kylin:kylin (Maven)

Affected versions

>= 4.0.0, < 5.0.3

Patched versions

5.0.3
maven org.apache.kylin:kylin-common-server (Maven)
>= 4.0.0, < 5.0.3
5.0.3
maven org.apache.kylin:kylin-common-service (Maven)
>= 4.0.0, < 5.0.3
5.0.3
maven org.apache.kylin:kylin-core-common (Maven)
>= 4.0.0, < 5.0.3
5.0.3
maven org.apache.kylin:kylin-core-metadata (Maven)
>= 4.0.0, < 5.0.3
5.0.3
maven org.apache.kylin:kylin-ops-server (Maven)
>= 4.0.0, < 5.0.3
5.0.3
maven org.apache.kylin:kylin-server (Maven)
>= 4.0.0, < 5.0.3
5.0.3

Description

Server-Side Request Forgery (SSRF) vulnerability in Apache Kylin.

This issue affects Apache Kylin: from 4.0.0 through 5.0.2. You are fine as long as the Kylin's system and project admin access is well protected.

Users are recommended to upgrade to version 5.0.3, which fixes the issue.

References

Published by the National Vulnerability Database Oct 2, 2025
Published to the GitHub Advisory Database Oct 2, 2025
Reviewed Oct 2, 2025
Last updated Oct 2, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(19th percentile)

Weaknesses

Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Learn more on MITRE.

CVE ID

CVE-2025-61735

GHSA ID

GHSA-f6m8-qm7j-fh65

Source code

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