CVE-2026-89212 in Akana
Summary
by MITRE • 09/11/2026
A flaw resulting in XML external entity (XXE) was found in Akana API Platform in which references were improperly restricted during XML-to-JSON processing. The issue affects Akana versions 2026.1, 2025.1.1, and all versions before 2024.1.6 (including older unsupported versions of Akana) and has been fixed as a security patch in the latest release of supported versions.
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Analysis
by VulDB Data Team • 09/11/2026
The vulnerability identified within the Akana API Platform represents a critical failure in input validation during the transformation of Extensible Markup Language data into JavaScript Object Notation format. This flaw allows for XML External Entity injection, commonly referred to as XXE, which is a severe security risk that can lead to unauthorized access to sensitive files on the server hosting the application. The root cause lies in the improper restriction or configuration of entity references during the parsing process. When an API endpoint accepts XML input and converts it to JSON for internal processing or response generation, the underlying parser fails to adequately sanitize external entity declarations. This oversight permits attackers to inject malicious payloads that instruct the parser to resolve entities pointing to local system resources or arbitrary network locations, bypassing standard security controls designed to prevent such access.
The operational impact of this vulnerability is significant and multifaceted. An attacker with the ability to submit crafted XML requests can exploit this flaw to perform server-side request forgery, read sensitive files from the application server such as configuration files containing database credentials or API keys, and potentially initiate denial-of-service attacks by causing the parser to enter an infinite loop through billion laughs attacks. In more severe scenarios involving out-of-band data exfiltration techniques, the vulnerability can be leveraged to retrieve arbitrary content from internal networks that are not directly accessible from the internet, effectively turning the compromised Akana instance into a pivot point for further network intrusion. This capability undermines the confidentiality and integrity of the entire API ecosystem managed by the platform, as critical backend services may rely on data processed through this vulnerable component.
This issue specifically affects Akana API Platform versions 2026.1, 2025.1.1, and all releases prior to version 2024.1.6, including older unsupported iterations that remain in active use within various enterprise environments. The persistence of this vulnerability in legacy systems highlights the importance of maintaining up-to-date software stacks to mitigate known risks. Akana has addressed this security gap by releasing a patched version for supported releases, which includes hardened XML parsing configurations and stricter validation rules to prevent the resolution of external entities unless explicitly required and safely configured. Organizations utilizing these affected versions must prioritize immediate remediation to close the attack vector before it can be exploited in targeted attacks or automated scanning campaigns prevalent on modern threat landscapes.
From a classification perspective, this vulnerability aligns with CWE-611, which describes Improper Restriction of XML External Entity Reference, and is associated with MITRE ATT&CK technique T1059, specifically the command execution capabilities that can be derived from successful XXE exploitation in certain contexts involving out-of-band interactions. Mitigation strategies extend beyond simply applying the vendor patch; administrators should also implement network-level controls such as web application firewalls configured to detect and block XML payloads containing external entity declarations. Additionally, enforcing strict input validation at the API gateway level and disabling DTD processing where not strictly necessary can provide defense-in-depth measures against this class of attacks. Regular security assessments and penetration testing focused on XML parsing logic are recommended to ensure that no residual vulnerabilities remain in custom integrations or extended configurations of the Akana platform.