Quick answers
- Is CVE-2026-107408 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-107408 being exploited in the wild.
- How severe is CVE-2026-107408?
- Informational severity, published 13 November 2026.
- Which products and versions are affected?
- Citrix NetScaler ADC; Citrix NetScaler Gateway.
- Is there a fix for CVE-2026-107408?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-107408 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-107408?
- Check whether you run Citrix NetScaler ADC or Citrix NetScaler Gateway. 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
A memory corruption flaw exists in the DNS/DoH processing component of NetScaler ADC and Gateway. The vulnerability can be triggered remotely via crafted DNS or DoH requests, leading to unpredictable behavior, erroneous DNS responses, or denial of service. No patch information is currently available.
Affected products
- Citrix NetScaler ADC
- Citrix NetScaler Gateway
Timeline
- 2026-11-13: advisory