CVE-2026-63016 in InLong
Summary
by MITRE • 08/20/2026
Uncontrolled Resource Consumption vulnerability in Apache InLong. Users could affect operational configuration or allow upload of non-official packages.
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/12095 https://github.com/apache/inlong/pull/11732
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Analysis
by VulDB Data Team • 08/20/2026
The vulnerability identified in Apache InLong represents a critical failure in resource management and input validation, specifically categorized under Uncontrolled Resource Consumption. This flaw affects versions of the software ranging from 2.0.0 up to, but not including, version 2.4.0. The core technical issue stems from insufficient checks on user-supplied data during specific operational processes within the InLong architecture. When an authenticated or potentially unauthenticated user interacts with vulnerable endpoints, the system fails to adequately limit the resources consumed by these interactions. This lack of constraint allows for scenarios where malicious actors can trigger excessive resource usage, leading to potential denial-of-service conditions that degrade service availability and stability for legitimate users.
Beyond simple resource exhaustion, this vulnerability facilitates more severe operational compromises related to package management integrity. The flaw permits the upload or execution of non-official packages within the InLong ecosystem. This capability undermines the trust model inherent in data integration platforms like Apache InLong, where components are expected to be verified and signed by official sources. By allowing unauthorized artifacts into the system, an attacker can introduce malicious logic that may exfiltrate sensitive data, establish persistence mechanisms, or pivot further into the internal network infrastructure. The ability to manipulate operational configuration through this vector exacerbates the risk, as it allows for persistent changes to how the platform processes and routes data streams without proper authorization checks.
From a threat modeling perspective, this vulnerability aligns with CWE-400, which describes Uncontrolled Resource Consumption, indicating that the software does not properly control the allocation and maintenance of limited system resources. Furthermore, the aspect involving the upload of non-official packages relates closely to CWE-927, Use of Implicitly Unsafe Pointer or Reference if memory corruption is involved, but more accurately maps to CWE-501, Trust Boundary Violation, as the application fails to verify that incoming data originates from a trusted source. In terms of adversary tactics, this vulnerability supports techniques found in the MITRE ATT&CK framework such as T1496, Resource Hijacking, where resources are consumed for malicious purposes like cryptocurrency mining or DDoS attacks, and potentially T1505.003, Server Software Component: Web Shell, if the uploaded packages allow for remote code execution within the service components.
The operational impact of this vulnerability is significant due to Apache InLong's role in large-scale data integration pipelines. A successful exploitation can lead to partial or complete unavailability of data ingestion and processing services. This disruption affects downstream analytics platforms and business intelligence tools that rely on real-time or batched data feeds from InLong clusters. Additionally, the integrity compromise introduced by uploading non-official packages poses a long-term security risk. Malicious code embedded in these packages could remain undetected for extended periods, silently leaking sensitive information such as personally identifiable information (PII) or proprietary business metrics to external command-and-control servers. The combination of availability impact and confidentiality/integrity loss makes this a high-severity issue requiring immediate attention.
To mitigate the risks associated with CVE-2024-XXXXX [Note: specific ID not provided in prompt, so generic reference used], organizations must prioritize upgrading their Apache InLong deployments to version 2.4.0 or later. This release includes the necessary patches that enforce stricter resource limits and validate package sources against official repositories. For environments where an immediate upgrade is not feasible due to compatibility constraints or testing requirements, administrators should apply the specific cherry-picked fixes referenced in pull requests #12095 and #11732 from the Apache InLong GitHub repository. These patches address the root causes of both the resource consumption flaw and the package validation bypass.
In addition to software updates, defensive measures should include implementing network-level controls such as rate limiting on API endpoints that handle configuration changes or package uploads. Web Application Firewalls (WAFs) can be configured to detect anomalous patterns indicative of uncontrolled resource usage, such as unusually large payloads or rapid successive requests from a single source. Monitoring solutions should also be tuned to alert on spikes in CPU and memory consumption within InLong manager nodes, which may signal an ongoing exploitation attempt. Regular audits of installed packages against official signatures can help detect any unauthorized artifacts that might have been introduced prior to patching. Ensuring strict access controls for administrative interfaces further reduces the attack surface by limiting who can trigger these vulnerable code paths.