CVE-2026-103109: Pexip Infinity input validation in media implementation denial of service

CVE-2026-103109 · Severity: high · CVSS 7.7 · Published 2026-09-30

Pexip Infinity is a video conferencing platform used for remote meetings and collaboration. A flaw in how the platform processes media streams allows an attacker to send a specially crafted video or audio stream that crashes the system, causing service outages and disrupting all active video conferences on the affected node.

Technologies: Pexip Infinity. Vendors: Pexip.

Quick answers

Is CVE-2026-103109 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-103109 being exploited in the wild.
How severe is CVE-2026-103109?
High severity, with a CVSS score of 7.7, published 30 September 2026.
Which products and versions are affected?
Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0.
Is there a fix for CVE-2026-103109?
A patch was published on 2026-07: Fixed in versions 38.2, 39.2, 40.1, 41.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-103109 attacked?
It is attacked over the network.
Am I affected by CVE-2026-103109?
Check whether you run Pexip Infinity at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

CVE-2026-103109 is an improper input validation flaw in Pexip Infinity's media implementation that accepts malformed media streams without sufficient bounds checking. A remote unauthenticated attacker can send a crafted media stream over the network, triggering either a controlled abort (denial of service) or potential memory corruption during stream processing. The vulnerability is fixed in versions 38.2, 39.2, 40.1, and 41.0 or later.

Affected products

  • Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0

Timeline

  • 2026-07: disclosed: PEXTEMP-2026-260102
  • 2026-07: patched: Fixed in versions 38.2, 39.2, 40.1, 41.0

References

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