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CVE-2026-63040: Apache InLong: Missing authorization in StreamSource forceDelete

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-20 · updated 2026-10-18
• Weakness: CWE-552

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 .

Affected products

• Apache Software Foundation Apache InLong: from 2.0.0 before 2.4.0 — fixed in 2.4.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache InLong 2.4.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/sbqrk88cjv3r9rnqfqgn31ox4711offy
• http://www.openwall.com/lists/oss-security/2026/08/20/14

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