CVE-2026-56006

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. the CNA's CVSS baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:github_m, epss, ghsa
Trending — 3 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

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

Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.

Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.

CVSS v3
7.1
EG Score
7.1(high)
EPSS
7.2%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 25, 2026

Vendor Advisories for CVE-2026-56006(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 40× in last 7d / 68× 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 23:02 UTCEG score recompute
  2. 2026-07-06 23:01 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 12:12 UTCEG score recompute
  6. 2026-07-06 12:12 UTCGHSA enrichment
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-06 01:19 UTCEG score recompute
  10. 2026-07-06 01:19 UTCGHSA enrichment
  11. 2026-07-05 14:30 UTCEG score recompute
  12. 2026-07-05 14:30 UTCGHSA enrichment
  13. 2026-07-05 03:41 UTCEG score recompute
  14. 2026-07-05 03:40 UTCGHSA enrichment
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 16:49 UTCEG score recompute
  18. 2026-07-04 16:49 UTCGHSA enrichment
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-04 05:37 UTCEG score recompute
  22. 2026-07-04 05:37 UTCGHSA enrichment
  23. 2026-07-03 18:47 UTCEG score recompute
  24. 2026-07-03 18:47 UTCGHSA enrichment
  25. 2026-07-03 07:58 UTCEG score recompute
Show 43 more
  1. 2026-07-03 07:58 UTCGHSA enrichment
  2. 2026-07-02 21:08 UTCEG score recompute
  3. 2026-07-02 21:08 UTCGHSA enrichment
  4. 2026-07-02 10:17 UTCEG score recompute
  5. 2026-07-02 10:16 UTCGHSA enrichment
  6. 2026-07-01 23:27 UTCEG score recompute
  7. 2026-07-01 23:27 UTCGHSA enrichment
  8. 2026-07-01 15:07 UTCEPSS rescore
  9. 2026-07-01 12:38 UTCEG score recompute
  10. 2026-07-01 12:38 UTCGHSA enrichment
  11. 2026-07-01 01:49 UTCEG score recompute
  12. 2026-07-01 01:49 UTCGHSA enrichment
  13. 2026-06-30 23:22 UTCEPSS rescore
  14. 2026-06-30 14:59 UTCEG score recompute
  15. 2026-06-30 14:59 UTCGHSA enrichment
  16. 2026-06-30 04:10 UTCEG score recompute
  17. 2026-06-30 04:10 UTCGHSA enrichment
  18. 2026-06-29 17:18 UTCEG score recompute
  19. 2026-06-29 17:18 UTCGHSA enrichment
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 06:25 UTCEG score recompute
  23. 2026-06-29 06:25 UTCGHSA enrichment
  24. 2026-06-28 19:34 UTCEG score recompute
  25. 2026-06-28 19:34 UTCGHSA enrichment
  26. 2026-06-28 14:07 UTCEPSS rescore
  27. 2026-06-28 08:44 UTCEG score recompute
  28. 2026-06-28 08:44 UTCGHSA enrichment
  29. 2026-06-28 04:56 UTCEPSS rescore
  30. 2026-06-28 04:56 UTCEPSS rescore
  31. 2026-06-27 21:55 UTCEG score recompute
  32. 2026-06-27 21:55 UTCGHSA enrichment
  33. 2026-06-27 11:06 UTCEG score recompute
  34. 2026-06-27 11:06 UTCGHSA enrichment
  35. 2026-06-27 03:08 UTCEPSS rescore
  36. 2026-06-27 00:17 UTCEG score recompute
  37. 2026-06-27 00:16 UTCGHSA enrichment
  38. 2026-06-26 13:26 UTCEG score recompute
  39. 2026-06-26 13:26 UTCGHSA enrichment
  40. 2026-06-26 02:37 UTCEG score recompute
  41. 2026-06-26 02:37 UTCGHSA enrichment
  42. 2026-06-25 15:47 UTCEG score recompute
  43. 2026-06-25 15:47 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56006?
CVE-2026-56006 is a high vulnerability published on June 25, 2026. Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions. Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.
When was CVE-2026-56006 disclosed?
CVE-2026-56006 was first published in the National Vulnerability Database on June 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56006 actively exploited?
CVE-2026-56006 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-56006?
CVE-2026-56006 has a CVSS v4.0 base score of 7.1 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-56006?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56006, 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-2026-56006

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