CVE-2026-90542

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreHIGH confidence

Score 5.4 from GitHub Security Advisory published 2026-09-12. a secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: 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 fails to validate that logged-in users can access live schedules before creating reminders via remindMe.json.php. Authenticated attackers can create scheduler reminders for private live schedules they cannot view and learn the private schedule title from the generated email job.

CVSS v3
5.4
EG Score
5.4(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
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 Missing Authorization via remindMe.json.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wwbn-avideo-missing-authorization-via-remindme-json-php
github Patch Available🟡 PoC Available

Missing authorization: `plugin/Live/remindMe.json.php` creates scheduler reminders for another user's private live schedule · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-qf26-4xp7-q5h9

Vendor Advisories for CVE-2026-90542(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 23× in last 7d / 29× 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. 2026-09-20 23:35 UTCEG score recompute
  2. 2026-09-20 23:34 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-19 22:36 UTCEG score recompute
  5. 2026-09-19 22:35 UTCGHSA enrichment
  6. 2026-09-18 21:36 UTCEG score recompute
  7. 2026-09-18 21:36 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-17 20:37 UTCEG score recompute
  10. 2026-09-17 20:37 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-16 19:37 UTCEG score recompute
  13. 2026-09-16 19:37 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 18:35 UTCEG score recompute
  17. 2026-09-15 18:35 UTCGHSA enrichment
  18. 2026-09-15 17:24 UTCEG score recompute
  19. 2026-09-15 17:24 UTCGHSA enrichment
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 21:18 UTCGHSA enrichment
  22. 2026-09-14 15:23 UTCEG score recompute
  23. 2026-09-14 15:23 UTCGHSA enrichment
  24. 2026-09-13 16:48 UTCEPSS rescore
  25. 2026-09-13 14:24 UTCEG score recompute
Show 4 more
  1. 2026-09-13 14:24 UTCGHSA enrichment
  2. 2026-09-12 13:25 UTCEG score recompute
  3. 2026-09-12 12:19 UTCEG score recompute
  4. 2026-09-12 12:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90542?
CVE-2026-90542 is a medium vulnerability published on September 12, 2026. WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate that logged-in users can access live schedules before creating reminders via remindMe.json.php. Authenticated attackers can create scheduler reminders for private live schedules they cannot view and learn the…
When was CVE-2026-90542 disclosed?
CVE-2026-90542 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-2026-90542 actively exploited?
CVE-2026-90542 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 96.0% of all scored CVEs.
What is the CVSS score of CVE-2026-90542?
CVE-2026-90542 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2026-90542?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90542, 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-2026-90542

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