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CVE-2026-13474

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:164984cc152df1eda3a7660004c6eb32e10ade2717766363775d3817bf732eb9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Gateway","vendor":"NetScaler","versions":[{"lessThan":"72.61","status":"affected","version":"14.1","versionType":"patch"},{"lessThan":"63.18","status":"affected","version":"13.1","versionType":"patch"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"ADC","vendor":"NetScaler","versions":[{"lessThan":"72.61","status":"affected","version":"14.1","versionType":"patch"},{"lessThan":"63.18","status":"affected","version":"13.1","versionType":"patch"},{"lessThan":"72.61","status":"affected","version":"14.1 FIPS","versionType":"patch"},{"lessThan":"37.272","status":"affected","version":"13.1 FIPS and NDcPP","versionType":"patch"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Gateway","vendor":"NetScaler","versions":[{"lessThan":"72.61","status":"affected","version":"14.1","versionType":"patch"},{"lessThan":"63.18","status":"affected","version":"13.1","versionType":"patch"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"ADC","vendor":"NetScaler","versions":[{"lessThan":"72.61","status":"affected","version":"14.1","versionType":"patch"},{"lessThan":"63.18","status":"affected","version":"13.1","versionType":"patch"},{"lessThan":"72.61","status":"affected","version":"14.1 FIPS","versionType":"patch"},{"lessThan":"37.272","status":"affected","version":"13.1 FIPS and NDcPP","versionType":"patch"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-401","description":"CWE-401 Missing release of memory after effective lifetime","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:05e71463c2f11f107f128d80334f8a8a80f842a5ff3073bc7bd29283f389342e · sha256:2baa7704b3eb26c3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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