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CVE-2026-103102 – Denial of Service – Pexip Infinity before 41.0

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Summary

CVE-2026-103102 is a denial-of-service vulnerability in Pexip Infinity caused by improper input validation in the platform’s signaling implementation. A remote, unauthenticated attacker can trigger a software abort in the affected component, disrupting availability. The issue carries a CVSS v3.1 base score of 8.6 (High) and affects all Pexip Infinity versions prior to 41.0.

Technical details

  • Root cause: Improper input validation (CWE-770, Allocation of Resources Without Limits or Throttling) in Pexip Infinity’s signaling implementation.
  • Trigger conditions: Exploitation requires accessing a gateway call from a WebRTC/API client, which allows an attacker to send malformed or unbounded input to the signaling handler.
  • Attack vector: Network-based, no privileges required, no user interaction needed (AV:N/AC:L/PR:N/UI:N).
  • Impact: Causes a software abort in the affected process, resulting in a denial of service (high availability impact); there is no confidentiality or integrity impact.

Affected software

  • Pexip Infinity: all versions prior to 41.0.0

Severity

  • CVSS v3.1 Base Score: 8.6 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Mitigation and recommended actions

  • Immediate: Upgrade Pexip Infinity to version 41.0 or later, which resolves the issue.
  • If no patch can be applied immediately: No official workaround is available; Pexip’s advisory states there is no mitigation prior to upgrading. Restricting or monitoring external access to gateway call/WebRTC-API endpoints may reduce exposure until the upgrade can be completed.

References

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