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

Source: https://junglewise.ai/threats/cve-2026-103109-pexip-infinity-before-38-2-plus-39-0-39-1-and-40-0-is-affected  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/infinity). Vendors: [Pexip](https://junglewise.ai/threats/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

- [https://docs.pexip.com/admin/security_bulletins.htm](https://docs.pexip.com/admin/security_bulletins.htm)

## Related threats

- [Pexip Infinity improper input validation in media implementation](https://junglewise.ai/threats/cve-2026-103108-pexip-infinity-before-38-2-plus-39-0-39-1-and-40-0-is-affected)
- [Pexip Infinity privilege escalation in internal service](https://junglewise.ai/threats/cve-2026-103106-pexip-infinity-before-38-2-plus-39-0-39-1-and-40-0-is-affected)
- [Pexip Infinity improper access control on internal API](https://junglewise.ai/threats/cve-2026-103105-pexip-infinity-before-38-2-plus-39-0-39-1-and-40-0-is-affected)
- [Pexip Infinity improper input validation in media implementation](https://junglewise.ai/threats/cve-2026-103104-pexip-infinity-before-38-2-plus-39-0-39-1-and-40-0-is-affected)
- [Pexip Infinity improper input validation in signaling](https://junglewise.ai/threats/cve-2026-103102-pexip-infinity-before-41-0-is-affected-by-improper-input)