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CVE-2026-103110 – Unauthenticated RCE – Pexip Infinity before 38.2/39.2/40.1/41.0

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Summary

CVE-2026-103110 is a critical improper input validation vulnerability in Pexip Infinity that allows a remote, unauthenticated attacker to execute arbitrary code as an unprivileged user on a Pexip Infinity Conferencing Node. The flaw carries a CVSS v3.1 base score of 9.8 (Critical) and requires no authentication or user interaction to exploit over the network.

Technical details

  • Root cause: improper validation of attacker-supplied input processed by the Pexip Infinity Conferencing Node.
  • Trigger conditions: a remote attacker sends crafted input to an exposed Conferencing Node; no authentication or user interaction is required.
  • Attack vector: network-based, low attack complexity, no privileges required.
  • Impact: remote code execution as an unprivileged user on the Conferencing Node, with high impact to confidentiality, integrity, and availability.

Affected software

  • Pexip Infinity: all versions prior to 38.2
  • Pexip Infinity: 39.0
  • Pexip Infinity: 39.1
  • Pexip Infinity: 40.0

Severity

  • CVSS v3.1 Base Score: 9.8 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and recommended actions

  • Immediate: upgrade Pexip Infinity to one of the fixed releases: 38.2, 39.2, 40.1, or 41.0.
  • If no patch: if an upgrade is not immediately possible, contact your Pexip authorized support representative to discuss mitigation options.

References

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