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CVE-2026-63040

8.1 · HIGH

Files or Directories Accessible to External Parties vulnerability in Apache InLong.

Published Aug 20, 2026CWE-552EPSS 0.64%

Overview

CVE-2026-63040 is a high-severity vulnerability. It was published on August 20, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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 .

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.apache.org/thread/sbqrk88cjv3r9rnqfqgn31ox4711offyRefwww.openwall.com/lists/oss-security/2026/08/20/14

How CyberStrike helps

Frequently asked questions

What is CVE-2026-63040?

CVE-2026-63040 is a high-severity vulnerability. It was published on August 20, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-63040?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-63040?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63040?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-63040 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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