CVE-2026-13474

HIGHNVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-30. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
7.5(high)
EPSS
35.4%
KEV
Not listed

Published

June 30, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jun 30, 2026
No patch confirmed yet.
generic

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https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

Vendor Advisories for CVE-2026-13474(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 38× in last 7d / 38× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 22:53 UTCEG score recompute
  2. 2026-07-06 22:53 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 12:01 UTCEG score recompute
  5. 2026-07-06 12:01 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 01:05 UTCEG score recompute
  8. 2026-07-06 01:05 UTCGHSA enrichment
  9. 2026-07-05 14:10 UTCEG score recompute
  10. 2026-07-05 14:10 UTCGHSA enrichment
  11. 2026-07-05 03:19 UTCEG score recompute
  12. 2026-07-05 03:18 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 16:26 UTCEG score recompute
  16. 2026-07-04 16:25 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 05:33 UTCEG score recompute
  19. 2026-07-04 05:33 UTCGHSA enrichment
  20. 2026-07-03 18:41 UTCEG score recompute
  21. 2026-07-03 18:41 UTCGHSA enrichment
  22. 2026-07-03 07:48 UTCEG score recompute
  23. 2026-07-03 07:48 UTCGHSA enrichment
  24. 2026-07-02 20:54 UTCEG score recompute▼ 1.20
  25. 2026-07-02 20:54 UTCGHSA enrichment
Show 13 more
  1. 2026-07-02 16:57 UTCNVD updateCVSS v3 → 7.5
  2. 2026-07-02 10:03 UTCEG score recompute
  3. 2026-07-02 10:03 UTCGHSA enrichment
  4. 2026-07-01 23:11 UTCEG score recompute
  5. 2026-07-01 23:10 UTCGHSA enrichment
  6. 2026-07-01 15:06 UTCEPSS rescore
  7. 2026-07-01 15:06 UTCEPSS rescore
  8. 2026-07-01 12:17 UTCEG score recompute
  9. 2026-07-01 12:17 UTCGHSA enrichment
  10. 2026-07-01 01:26 UTCEG score recompute
  11. 2026-07-01 01:26 UTCGHSA enrichment
  12. 2026-06-30 14:33 UTCEG score recompute
  13. 2026-06-30 14:32 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-13474?
CVE-2026-13474 is a high vulnerability published on June 30, 2026. 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
When was CVE-2026-13474 disclosed?
CVE-2026-13474 was first published in the National Vulnerability Database on June 30, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13474 actively exploited?
CVE-2026-13474 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13474?
CVE-2026-13474 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-13474?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13474, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-13474

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