CVE-2026-63040
Received Received - Intake

Authorization Bypass in Apache InLong StreamSource

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Apache Software Foundation

Description
Files or Directories Accessible to External Parties vulnerability in Apache InLong. StreamSource performs no authorization check, any authenticated user can logically delete ALL stream sources. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1]  https://github.com/apache/inlong/pull/12145 .

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Meta Information

Published
2026-08-20
Last Modified
2026-08-20
Generated
2026-08-20
AI Q&A
2026-08-20
EPSS Evaluated
N/A
NVD
CVE-2026-63040
EUVD
EUVD-2026-63402

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
apache inlong From 2.0.0 (inc) to 2.4.0 (exc)
apache inlong 2.4.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-552 The product makes files or directories accessible to unauthorized actors, even though they should not be.

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Executive Summary

This vulnerability in Apache InLong allows authenticated users to delete all stream sources without proper authorization checks. It affects versions from 2.0.0 to 2.4.0.

Detection Guidance

To detect this vulnerability, check Apache InLong versions between 2.0.0 and 2.4.0. Run commands like 'curl -s http://<inlong-server>/api/streamSource' or inspect logs for unauthorized deletion attempts of stream sources. Verify if forceDelete operations lack proper authorization checks.

Impact Analysis

An attacker could exploit this to delete critical stream sources, disrupting data processing and causing service outages or data loss.

Compliance Impact

This vulnerability could lead to unauthorized deletion of stream sources, potentially causing data loss or service disruption. For GDPR, unauthorized data deletion may violate integrity and availability principles. For HIPAA, it could risk unauthorized access or destruction of protected health information.

Mitigation Strategies

Upgrade Apache InLong to version 2.4.0 or apply the patch from pull request 12145 to address the authorization check flaw in StreamSource.

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