CVE-2026-13474
Denial of service via malformed HTTP/2 requests
Description
Denial of service via malformed HTTP/2 requests in NetScaler ADC and NetScaler Gateway if HTTP/2 is enabled in HTTP Profile and associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
INFO
Published Date :
June 30, 2026, 1:03 p.m.
Last Modified :
June 30, 2026, 1:04 p.m.
Remotely Exploit :
Yes !
Source :
NetScaler
Affected Products
The following products are affected by CVE-2026-13474
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 | ||||
| CVSS 4.0 | HIGH | 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5 |
Solution
- Update NetScaler ADC and Gateway software.
- Disable HTTP/2 if not required.
- Review HTTP profiles and virtual servers.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-13474 vulnerability anywhere in the article.