CVE-2026-84818

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 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 Open User Map <= 1.4.50 versions.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 8, 2026

Advisory Details (1)

Auto-updated Sep 8, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-84818(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 27× in last 7d / 70× 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. 2026-09-25 11:09 UTCGHSA enrichment
  2. 2026-09-24 21:53 UTCEG score recompute
  3. 2026-09-24 21:53 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 08:17 UTCGHSA enrichment
  6. 2026-09-23 19:42 UTCEG score recompute
  7. 2026-09-23 19:42 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 06:51 UTCGHSA enrichment
  10. 2026-09-22 18:17 UTCEG score recompute
  11. 2026-09-22 18:16 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 05:41 UTCEG score recompute
  14. 2026-09-22 05:41 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 17:07 UTCGHSA enrichment
  17. 2026-09-21 03:58 UTCEG score recompute
  18. 2026-09-21 03:58 UTCGHSA enrichment
  19. 2026-09-20 20:16 UTCEPSS rescore
  20. 2026-09-20 15:23 UTCGHSA enrichment
  21. 2026-09-20 02:48 UTCEG score recompute
  22. 2026-09-20 02:48 UTCGHSA enrichment
  23. 2026-09-19 14:14 UTCGHSA enrichment
  24. 2026-09-19 01:40 UTCEG score recompute
  25. 2026-09-19 01:40 UTCGHSA enrichment
Show 45 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 13:04 UTCGHSA enrichment
  3. 2026-09-18 00:29 UTCEG score recompute
  4. 2026-09-18 00:29 UTCGHSA enrichment
  5. 2026-09-17 19:32 UTCEPSS rescore
  6. 2026-09-17 11:54 UTCGHSA enrichment
  7. 2026-09-16 23:19 UTCEG score recompute
  8. 2026-09-16 23:19 UTCGHSA enrichment
  9. 2026-09-16 14:09 UTCEPSS rescore
  10. 2026-09-16 10:44 UTCEG score recompute
  11. 2026-09-16 10:44 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 22:02 UTCGHSA enrichment
  14. 2026-09-15 09:27 UTCEG score recompute
  15. 2026-09-15 09:27 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 20:52 UTCGHSA enrichment
  19. 2026-09-14 08:18 UTCGHSA enrichment
  20. 2026-09-13 19:43 UTCEG score recompute
  21. 2026-09-13 19:43 UTCGHSA enrichment
  22. 2026-09-13 07:08 UTCGHSA enrichment
  23. 2026-09-12 18:34 UTCEG score recompute
  24. 2026-09-12 18:34 UTCGHSA enrichment
  25. 2026-09-12 05:59 UTCGHSA enrichment
  26. 2026-09-11 17:25 UTCEG score recompute
  27. 2026-09-11 17:25 UTCGHSA enrichment
  28. 2026-09-11 14:53 UTCEPSS rescore
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 04:49 UTCGHSA enrichment
  31. 2026-09-10 16:14 UTCEG score recompute
  32. 2026-09-10 16:14 UTCGHSA enrichment
  33. 2026-09-10 03:29 UTCGHSA enrichment
  34. 2026-09-09 14:54 UTCGHSA enrichment
  35. 2026-09-09 02:19 UTCEG score recompute
  36. 2026-09-09 02:18 UTCGHSA enrichment
  37. 2026-09-08 22:01 UTCEPSS rescore
  38. 2026-09-08 13:41 UTCGHSA enrichment
  39. 2026-09-08 11:32 UTCEG score recompute
  40. 2026-09-08 11:32 UTCGHSA enrichment
  41. 2026-09-08 10:51 UTCEG score recompute
  42. 2026-09-08 10:50 UTCGHSA enrichment
  43. 2026-09-08 08:34 UTCEG score recompute
  44. 2026-09-08 07:23 UTCEG score recompute
  45. 2026-09-08 07:23 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-84818?
CVE-2026-84818 is a high vulnerability published on September 8, 2026. Unauthenticated Cross Site Scripting (XSS) in Open User Map <= 1.4.50 versions.
When was CVE-2026-84818 disclosed?
CVE-2026-84818 was first published in the National Vulnerability Database on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84818 actively exploited?
CVE-2026-84818 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 85.3% of all scored CVEs.
What is the CVSS score of CVE-2026-84818?
CVE-2026-84818 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-84818?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84818, 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-2026-84818

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