CVE-2026-90537

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-12. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: Elevated riskExposed: 0

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

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/Scheduler/sendEmail.json.php that allows unauthenticated attackers to access scheduler email jobs by providing a site-wide daily token. Attackers can enumerate scheduler jobs, read private live titles and email addresses, and trigger email sending by supplying any valid daily token obtained from Live pages.

CVSS v3
8.2
EG Score
8.2(high)
EG Risk
68(Attend)
EG Risk 68/100SSVC: 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
Severity82% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

September 12, 2026

Last Modified

September 15, 2026

Advisory Details (2)

Auto-updated Sep 12, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

WWBN AVideo Scheduler sendEmail Missing Authorization via Token | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wwbn-avideo-scheduler-sendemail-missing-authorization-via-token
github Patch Available🟡 PoC Available

Missing authorization: `plugin/Scheduler/sendEmail.json.php` dumps and sends any scheduler email job using the site-wide `getToken()` · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-qq59-3jwp-hgj9

Vendor Advisories for CVE-2026-90537(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 26× in last 7d / 55× 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 04:41 UTCGHSA enrichment
  2. 2026-09-24 16:04 UTCEG score recompute
  3. 2026-09-24 16:04 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 03:27 UTCEG score recompute
  6. 2026-09-24 03:27 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 14:50 UTCGHSA enrichment
  9. 2026-09-23 02:12 UTCEG score recompute
  10. 2026-09-23 02:12 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 13:35 UTCGHSA enrichment
  13. 2026-09-22 00:58 UTCEG score recompute
  14. 2026-09-22 00:58 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 12:21 UTCGHSA enrichment
  17. 2026-09-20 23:44 UTCEG score recompute
  18. 2026-09-20 23:44 UTCGHSA enrichment
  19. 2026-09-20 20:16 UTCEPSS rescore
  20. 2026-09-20 11:07 UTCGHSA enrichment
  21. 2026-09-19 22:30 UTCEG score recompute
  22. 2026-09-19 22:30 UTCGHSA enrichment
  23. 2026-09-19 09:53 UTCGHSA enrichment
  24. 2026-09-18 21:17 UTCEG score recompute
  25. 2026-09-18 21:17 UTCGHSA enrichment
Show 30 more
  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 08:40 UTCGHSA enrichment
  3. 2026-09-17 20:03 UTCEG score recompute
  4. 2026-09-17 20:03 UTCGHSA enrichment
  5. 2026-09-17 19:32 UTCEPSS rescore
  6. 2026-09-17 07:23 UTCGHSA enrichment
  7. 2026-09-16 18:46 UTCEG score recompute
  8. 2026-09-16 18:46 UTCGHSA enrichment
  9. 2026-09-16 14:09 UTCEPSS rescore
  10. 2026-09-16 06:09 UTCEG score recompute
  11. 2026-09-16 06:09 UTCGHSA enrichment
  12. 2026-09-16 05:15 UTCEPSS rescore
  13. 2026-09-15 17:33 UTCEG score recompute
  14. 2026-09-15 17:33 UTCGHSA enrichment
  15. 2026-09-15 17:03 UTCEG score recompute
  16. 2026-09-15 17:03 UTCGHSA enrichment
  17. 2026-09-15 09:55 UTCEG score recompute
  18. 2026-09-15 09:55 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 21:18 UTCGHSA enrichment
  21. 2026-09-14 15:57 UTCGHSA enrichment
  22. 2026-09-14 03:20 UTCEG score recompute
  23. 2026-09-14 03:20 UTCGHSA enrichment
  24. 2026-09-13 16:48 UTCEPSS rescore
  25. 2026-09-13 14:43 UTCGHSA enrichment
  26. 2026-09-13 02:02 UTCEG score recompute
  27. 2026-09-13 02:02 UTCGHSA enrichment
  28. 2026-09-12 13:25 UTCEG score recompute
  29. 2026-09-12 12:19 UTCEG score recompute
  30. 2026-09-12 12:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90537?
CVE-2026-90537 is a high vulnerability published on September 12, 2026. WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authorization vulnerability in plugin/Scheduler/sendEmail.json.php that allows unauthenticated attackers to access scheduler email jobs by providing a site-wide daily token. Attackers can enumerate scheduler…
When was CVE-2026-90537 disclosed?
CVE-2026-90537 was first published in the National Vulnerability Database on September 12, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90537 actively exploited?
CVE-2026-90537 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 73.0% of all scored CVEs.
What is the CVSS score of CVE-2026-90537?
CVE-2026-90537 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-90537?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90537, 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

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