CVE-2026-90547

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-12. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: 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 user permissions in the Bookmark plugin getBookmarks.json.php endpoint, allowing unauthenticated attackers to read chapter names from password-protected videos. Attackers can query the endpoint with a video ID parameter to retrieve sensitive chapter metadata without authentication or password verification.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
55(Attend)
EG Risk 55/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
33%
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 getBookmarks.json.php | Advisories | VulnCheck

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

Missing authorization: `Bookmark/getBookmarks.json.php` returns chapter names for a password-protected VOD with no `canWatchVideo` check · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-xv29-q875-59jq

Vendor Advisories for CVE-2026-90547(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 22× in last 7d / 42× 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 00:56 UTCEG score recompute
  2. 2026-09-25 00:56 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 02:52 UTCEG score recompute
  5. 2026-09-24 02:52 UTCGHSA enrichment
  6. 2026-09-23 17:54 UTCEPSS rescore
  7. 2026-09-23 04:48 UTCEG score recompute
  8. 2026-09-23 04:48 UTCGHSA enrichment
  9. 2026-09-22 16:01 UTCEPSS rescore
  10. 2026-09-22 06:44 UTCEG score recompute
  11. 2026-09-22 06:44 UTCGHSA enrichment
  12. 2026-09-21 21:09 UTCEPSS rescore
  13. 2026-09-21 08:41 UTCEG score recompute
  14. 2026-09-21 08:40 UTCGHSA enrichment
  15. 2026-09-20 20:16 UTCEPSS rescore
  16. 2026-09-20 10:23 UTCEG score recompute
  17. 2026-09-20 10:23 UTCGHSA enrichment
  18. 2026-09-19 12:19 UTCEG score recompute
  19. 2026-09-19 12:19 UTCGHSA enrichment
  20. 2026-09-18 19:28 UTCEPSS rescore
  21. 2026-09-18 14:16 UTCEG score recompute
  22. 2026-09-18 14:16 UTCGHSA enrichment
  23. 2026-09-17 19:32 UTCEPSS rescore
  24. 2026-09-17 16:02 UTCGHSA enrichment
  25. 2026-09-16 17:58 UTCEG score recompute
Show 17 more
  1. 2026-09-16 17:58 UTCGHSA enrichment
  2. 2026-09-16 14:09 UTCEPSS rescore
  3. 2026-09-16 05:15 UTCEPSS rescore
  4. 2026-09-15 18:35 UTCEG score recompute
  5. 2026-09-15 18:35 UTCGHSA enrichment
  6. 2026-09-15 17:24 UTCEG score recompute
  7. 2026-09-15 17:24 UTCGHSA enrichment
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-14 21:17 UTCGHSA enrichment
  10. 2026-09-14 09:32 UTCEG score recompute
  11. 2026-09-14 09:32 UTCGHSA enrichment
  12. 2026-09-13 16:48 UTCEPSS rescore
  13. 2026-09-13 11:29 UTCEG score recompute
  14. 2026-09-13 11:29 UTCGHSA enrichment
  15. 2026-09-12 13:25 UTCEG score recompute
  16. 2026-09-12 12:19 UTCEG score recompute
  17. 2026-09-12 12:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90547?
CVE-2026-90547 is a medium vulnerability published on September 12, 2026. WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate user permissions in the Bookmark plugin getBookmarks.json.php endpoint, allowing unauthenticated attackers to read chapter names from password-protected videos. Attackers can query the endpoint with a video ID…
When was CVE-2026-90547 disclosed?
CVE-2026-90547 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-2026-90547 actively exploited?
CVE-2026-90547 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 67.2% of all scored CVEs.
What is the CVSS score of CVE-2026-90547?
CVE-2026-90547 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-90547?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90547, 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-2026-90547

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