CVE-2026-15734

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-07. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

A Server-Side Template Injection (SSTI) vulnerability in WGDashboard version 4.3.2 and earlier, allows authenticated attackers to execute arbitrary code as root.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
51%
KEV
Not listed

Published

August 6, 2026

Last Modified

September 3, 2026

Advisory Details (2)

Auto-updated Sep 17, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - Stuub/WGDashboard-v4.3.2-SSTI-to-Root-RCE-PoC · GitHub

https://github.com/Stuub/WGDashboard-v4.3.2-SSTI-to-Root-RCE-PoC
generic

GitHub - WGDashboard/WGDashboard: Simple dashboard for WireGuard VPN written in Python & Vue.js · GitHub

https://github.com/WGDashboard/WGDashboard

Vendor Advisories for CVE-2026-15734(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 45× in last 7d / 200× 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.

Showing the most recent 100 of 315 total refreshes for this CVE.

  1. 2026-09-19 07:28 UTCGHSA enrichment
  2. 2026-09-19 03:10 UTCGHSA enrichment
  3. 2026-09-18 22:17 UTCEG score recompute
  4. 2026-09-18 22:17 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 17:35 UTCGHSA enrichment
  7. 2026-09-18 11:59 UTCGHSA enrichment
  8. 2026-09-18 08:16 UTCGHSA enrichment
  9. 2026-09-18 04:36 UTCGHSA enrichment
  10. 2026-09-18 00:56 UTCEG score recompute
  11. 2026-09-18 00:56 UTCGHSA enrichment
  12. 2026-09-17 15:14 UTCGHSA enrichment
  13. 2026-09-17 08:17 UTCGHSA enrichment
  14. 2026-09-17 04:37 UTCGHSA enrichment
  15. 2026-09-17 00:57 UTCEG score recompute
  16. 2026-09-17 00:57 UTCGHSA enrichment
  17. 2026-09-16 14:07 UTCEPSS rescore
  18. 2026-09-16 11:11 UTCGHSA enrichment
  19. 2026-09-16 06:38 UTCEG score recompute
  20. 2026-09-16 06:38 UTCGHSA enrichment
  21. 2026-09-16 05:14 UTCEPSS rescore
  22. 2026-09-16 02:57 UTCGHSA enrichment
  23. 2026-09-15 14:24 UTCGHSA enrichment
  24. 2026-09-15 06:43 UTCEG score recompute
  25. 2026-09-15 06:43 UTCGHSA enrichment
Show 75 more
  1. 2026-09-15 01:08 UTCGHSA enrichment
  2. 2026-09-14 15:56 UTCGHSA enrichment
  3. 2026-09-14 12:16 UTCGHSA enrichment
  4. 2026-09-14 08:36 UTCGHSA enrichment
  5. 2026-09-14 04:56 UTCGHSA enrichment
  6. 2026-09-14 01:16 UTCGHSA enrichment
  7. 2026-09-13 21:37 UTCGHSA enrichment
  8. 2026-09-13 17:57 UTCEG score recompute
  9. 2026-09-13 17:57 UTCGHSA enrichment
  10. 2026-09-13 16:46 UTCEPSS rescore
  11. 2026-09-13 14:17 UTCGHSA enrichment
  12. 2026-09-13 10:37 UTCGHSA enrichment
  13. 2026-09-13 06:57 UTCGHSA enrichment
  14. 2026-09-13 03:10 UTCGHSA enrichment
  15. 2026-09-12 23:30 UTCGHSA enrichment
  16. 2026-09-12 19:50 UTCGHSA enrichment
  17. 2026-09-12 16:10 UTCEG score recompute
  18. 2026-09-12 16:10 UTCGHSA enrichment
  19. 2026-09-12 15:00 UTCEPSS rescore
  20. 2026-09-12 12:30 UTCGHSA enrichment
  21. 2026-09-12 08:50 UTCGHSA enrichment
  22. 2026-09-12 05:10 UTCGHSA enrichment
  23. 2026-09-12 01:30 UTCGHSA enrichment
  24. 2026-09-11 21:51 UTCGHSA enrichment
  25. 2026-09-11 18:11 UTCEG score recompute
  26. 2026-09-11 18:11 UTCGHSA enrichment
  27. 2026-09-11 14:52 UTCEPSS rescore
  28. 2026-09-11 14:31 UTCEG score recompute
  29. 2026-09-11 14:31 UTCGHSA enrichment
  30. 2026-09-11 09:36 UTCEPSS rescore
  31. 2026-09-11 08:31 UTCGHSA enrichment
  32. 2026-09-11 04:51 UTCGHSA enrichment
  33. 2026-09-11 01:11 UTCGHSA enrichment
  34. 2026-09-10 21:28 UTCGHSA enrichment
  35. 2026-09-10 17:43 UTCGHSA enrichment
  36. 2026-09-10 13:55 UTCGHSA enrichment
  37. 2026-09-10 09:58 UTCEG score recompute
  38. 2026-09-10 09:58 UTCGHSA enrichment
  39. 2026-09-10 09:34 UTCEPSS rescore
  40. 2026-09-10 05:49 UTCGHSA enrichment
  41. 2026-09-10 02:09 UTCGHSA enrichment
  42. 2026-09-09 18:51 UTCGHSA enrichment
  43. 2026-09-09 09:46 UTCGHSA enrichment
  44. 2026-09-09 06:06 UTCEG score recompute
  45. 2026-09-09 06:06 UTCGHSA enrichment
  46. 2026-09-08 22:00 UTCEPSS rescore
  47. 2026-09-08 04:52 UTCGHSA enrichment
  48. 2026-09-08 01:12 UTCGHSA enrichment
  49. 2026-09-07 21:32 UTCGHSA enrichment
  50. 2026-09-07 17:52 UTCEG score recompute
  51. 2026-09-07 17:52 UTCGHSA enrichment
  52. 2026-09-07 16:01 UTCEPSS rescore
  53. 2026-09-06 21:43 UTCGHSA enrichment
  54. 2026-09-06 18:01 UTCGHSA enrichment
  55. 2026-09-06 14:20 UTCEG score recompute
  56. 2026-09-06 14:20 UTCGHSA enrichment
  57. 2026-09-06 13:47 UTCEPSS rescore
  58. 2026-09-06 10:40 UTCGHSA enrichment
  59. 2026-09-06 07:00 UTCGHSA enrichment
  60. 2026-09-06 03:21 UTCEG score recompute
  61. 2026-09-06 03:21 UTCGHSA enrichment
  62. 2026-09-05 23:40 UTCGHSA enrichment
  63. 2026-09-05 20:00 UTCGHSA enrichment
  64. 2026-09-05 16:20 UTCEG score recompute
  65. 2026-09-05 16:20 UTCGHSA enrichment
  66. 2026-09-05 10:59 UTCGHSA enrichment
  67. 2026-09-05 07:09 UTCGHSA enrichment
  68. 2026-09-05 03:28 UTCGHSA enrichment
  69. 2026-09-04 16:47 UTCEG score recompute
  70. 2026-09-04 16:47 UTCGHSA enrichment
  71. 2026-09-04 12:51 UTCGHSA enrichment
  72. 2026-09-04 09:11 UTCEG score recompute
  73. 2026-09-04 09:11 UTCGHSA enrichment
  74. 2026-09-04 05:06 UTCEPSS rescore
  75. 2026-09-04 02:06 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-15734?
CVE-2026-15734 is a critical vulnerability published on August 6, 2026. A Server-Side Template Injection (SSTI) vulnerability in WGDashboard version 4.3.2 and earlier, allows authenticated attackers to execute arbitrary code as root.
When was CVE-2026-15734 disclosed?
CVE-2026-15734 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15734 actively exploited?
CVE-2026-15734 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 49.3% of all scored CVEs.
What is the CVSS score of CVE-2026-15734?
CVE-2026-15734 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15734?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15734, 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-2026-15734

Explore →

Is Your Infrastructure Affected by CVE-2026-15734?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs