# CVE-2026-103101: Pexip Infinity input validation improper in web server

Source: https://junglewise.ai/threats/cve-2026-103101-pexip-infinity-30-0-through-40-x-before-41-0-is-affected-by  
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-2026-103101 · Severity: high · CVSS 8.6 · Published 2026-09-30

Pexip Infinity is a video conferencing platform used by enterprises to host secure meetings and virtual events. An improper input validation flaw in its web server allows a remote attacker to disable a Pexip Infinity node, causing service disruption for conferencing users who depend on that node. No user interaction or credentials are required to exploit this vulnerability.

Technologies: [Pexip Infinity](https://junglewise.ai/threats/technologies/infinity). Vendors: [Pexip](https://junglewise.ai/threats/vendors/pexip).

## Quick answers

**Is CVE-2026-103101 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-103101 being exploited in the wild.

**How severe is CVE-2026-103101?** High severity, with a CVSS score of 8.6, published 30 September 2026.

**Which products and versions are affected?** Pexip Infinity 30.0 through 40.x before 41.0.

**Is there a fix for CVE-2026-103101?** A patch was published on 2026-07: Available in versions 38.2, 39.2, 40.1, and 41.0 and later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-103101 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-103101?** 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

The vulnerability exists in the web server component due to improper input validation of network-provided data. A remote, unauthenticated attacker can send a specially crafted request to render a Pexip Infinity node inaccessible, constituting a denial-of-service attack on conferencing infrastructure. Pexip has issued patches for versions 38.2, 39.2, 40.1, and 41.0 and later.

## Affected products

- Pexip Infinity 30.0 through 40.x before 41.0

## Timeline

- 2026-09-30: disclosed
- 2026-07: patched: Available in versions 38.2, 39.2, 40.1, and 41.0 and later

## References

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

## Related threats

- [Pexip Infinity input validation in media implementation denial of service](https://junglewise.ai/threats/cve-2026-103109-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-2026-103108-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)