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CVE-2026-89212 – XXE Information Disclosure – Perforce Akana API Platform (all versions before 2024.

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Summary

CVE-2026-89212 is an XML External Entity (XXE) vulnerability in the Perforce Akana API Platform, caused by improper restriction of external entity references during XML-to-JSON processing. The flaw is remotely exploitable over the network without authentication or user interaction, and carries a CVSS v4.0 base score of 9.2 (Critical). Successful exploitation can expose sensitive internal data via crafted XML input processed by the platform.

Technical details

  • Root cause: Akana API Platform’s XML-to-JSON conversion routine does not properly restrict external entity references, classified as CWE-611 (Improper Restriction of XML External Entity Reference).
  • Trigger condition: An attacker submits crafted XML content to an Akana component that performs XML-to-JSON transformation, causing the underlying XML parser to resolve external entities.
  • Attack vector: Network-based, requires no authentication and no user interaction (per the published CVSS metrics).
  • Impact: The vulnerability primarily affects confidentiality — it can be leveraged to disclose sensitive local files or internal resources reachable by the server (data exfiltration via XXE), with the CVSS v4.0 vector indicating high impact to confidentiality of the vulnerable system and low/high impact to a subsequent system.

Affected software

  • Perforce Akana API Platform, all versions prior to 2024.1
  • Perforce Akana API Platform 2024.1.0 through 2024.1.5
  • Perforce Akana API Platform 2025.1.0 through 2025.1.1
  • Perforce Akana API Platform 2026.1

Fixed in: 2024.1.6, 2025.1.2, and 2026.2.

Severity

  • CVSS v3.1 Base Score: 8.6 (High) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  • CVSS v4.0 Base Score: 9.2 (Critical) — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N

Mitigation and recommended actions

  • Immediate: Upgrade Akana API Platform to version 2024.1.6, 2025.1.2, or 2026.2 (or later), depending on your current release track.
  • If immediate patching is not possible: Restrict network access to Akana API Platform management and processing endpoints to trusted networks only, and monitor/inspect inbound XML payloads for external entity or DOCTYPE declarations at a WAF or API gateway layer as an interim compensating control until the patch can be applied.

References

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