High severity · published Aug 20, 2026
CVE-2026-63040
Apache InLong: Missing authorization in StreamSource forceDelete
8.1
CVSS
0.6%
EPSS
No
On KEV
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 .
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Apache InLong · Apache Software Foundation
2.0.0 before 2.4.0 · source: vendor
IN
Inlong · Apache
2.0.0 before 2.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63040
Mailing List
https://lists.apache.org/thread/sbqrk88cjv3r9rnqfqgn31ox4711offy
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/20/14
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