8.7

CVE-2026-13474: citrix netscaler_application_delivery_controller

CVSS: 8.7v4.0HighAnalyzed
Published 30-06-2026Last modified 30-06-2026
Open JSON

Vulnerability summary

CVE-2026-13474 is a high (CVSS 8.7) vulnerability in citrix netscaler_application_delivery_controller. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-06-2026
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Citrix2 products
Netscaler2 products
  • adc≥ 14.1, < 72.61 | ≥ 13.1, < 63.18 | ≥ 14.1 FIPS, < 72.61 | ≥ 13.1 FIPS and NDcPP, < 37.272
  • gateway≥ 14.1, < 72.61 | ≥ 13.1, < 63.18

2 vendors · 4 products

References

1 links