CVE-2026-90539

MEDIUMPre-NVD 5.35.3
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

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, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 5.3Exploit: None knownExposed services: Not assessed

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

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authentication vulnerability in the plugin/TopMenu/menuItems.json.php endpoint that allows unauthenticated attackers to read inactive admin menu items by submitting a POST request with a menuId parameter. Attackers can retrieve hidden menu item URLs including embedded admin-tool secret query parameters not exposed in the public navbar.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
39
EG Risk 39/100

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 (value × EchelonGraph’s weight)
Severity53% × 45%
The EG Score, 5.3 of 10.
Exploitation0.4% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
33rd
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 12, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Sep 12, 2026
No fix on record yet. Sources: github.
Web page

WWBN AVideo Missing Authentication via menuItems.json.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wwbn-avideo-missing-authentication-via-menuitems-json-php
GitHub advisoryMentions a patch (unverified)

Missing authentication: POST `plugin/TopMenu/menuItems.json.php` dumps items on inactive admin menus including secret query URLs · Advisory · WWBN/AVideo · GitHub

https://github.com/WWBN/AVideo/security/advisories/GHSA-h964-rxm2-fpgj

Vendor Advisories for CVE-2026-90539(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 21× in last 7d / 88× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 95 is merged into the row it repeats.

  1. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  2. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  3. 2026-10-12 16:16 UTCEG score recompute
  4. 2026-10-12 16:16 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  5. 2026-10-12 14:46 UTCEG score recompute
  6. 2026-10-11 22:45 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  7. 2026-10-11 19:14 UTCEG score recompute
  8. 2026-10-11 16:30 UTCEG score recompute
  9. 2026-10-11 13:50 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  10. 2026-10-11 13:45 UTCEG score recompute
  11. 2026-10-10 23:05 UTCEG score recompute
  12. 2026-10-10 23:05 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  13. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  14. 2026-10-09 22:47 UTCEG score recompute
  15. 2026-10-09 22:47 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  16. 2026-10-09 20:08 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  17. 2026-10-08 23:08 UTCEG score recompute
  18. 2026-10-08 23:08 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  19. 2026-10-08 17:14 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  20. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  21. 2026-10-07 23:09 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  22. 2026-10-06 23:30 UTCEG score recompute
  23. 2026-10-06 23:30 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  24. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  25. 2026-10-05 23:53 UTCEG score recompute
Show 69 more
  1. 2026-10-05 23:53 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  2. 2026-10-05 17:44 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  3. 2026-10-04 23:52 UTCEG score recompute
  4. 2026-10-04 23:52 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  5. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  6. 2026-10-04 00:14 UTCEG score recompute
  7. 2026-10-04 00:14 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  8. 2026-10-03 00:36 UTCEG score recompute
  9. 2026-10-03 00:36 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  10. 2026-10-02 00:58 UTCEG score recompute
  11. 2026-10-02 00:58 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  12. 2026-10-01 19:51 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  13. 2026-10-01 01:16 UTCEG score recompute
  14. 2026-10-01 01:16 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  15. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  16. 2026-09-30 01:37 UTCEG score recompute
  17. 2026-09-30 01:37 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  18. 2026-09-28 20:17 UTCEG score recompute
  19. 2026-09-28 20:17 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  20. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  21. 2026-09-27 20:17 UTCEG score recompute
  22. 2026-09-27 20:17 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  23. 2026-09-27 13:49 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  24. 2026-09-26 20:39 UTCEG score recompute
  25. 2026-09-26 20:38 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  26. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  27. 2026-09-25 21:00 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  28. 2026-09-24 19:03 UTCEG score recompute
  29. 2026-09-24 19:03 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  30. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  31. 2026-09-23 19:25 UTCEG score recompute
  32. 2026-09-23 19:25 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  33. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  34. 2026-09-22 19:48 UTCEG score recompute
  35. 2026-09-22 19:48 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  36. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  37. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  38. 2026-09-21 20:10 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  39. 2026-09-20 20:33 UTCEG score recompute
  40. 2026-09-20 20:33 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  41. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  42. 2026-09-19 20:55 UTCEG score recompute
  43. 2026-09-19 20:55 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  44. 2026-09-18 21:17 UTCEG score recompute
  45. 2026-09-18 21:17 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  46. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  47. 2026-09-17 20:51 UTCEG score recompute
  48. 2026-09-17 20:51 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  49. 2026-09-17 19:32 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  50. 2026-09-16 21:13 UTCEG score recompute
  51. 2026-09-16 21:13 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  52. 2026-09-16 14:09 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  53. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  54. 2026-09-15 20:56 UTCEG score recompute
  55. 2026-09-15 20:56 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  56. 2026-09-15 03:12 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  57. 2026-09-14 21:18 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  58. 2026-09-14 19:21 UTCEG score recompute
  59. 2026-09-14 19:21 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  60. 2026-09-14 18:28 UTCEG score recompute
  61. 2026-09-14 18:28 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  62. 2026-09-14 12:41 UTCEG score recompute
  63. 2026-09-14 12:41 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  64. 2026-09-13 16:48 UTCEPSS rescoreEPSS 0.2% · 15th percentile
  65. 2026-09-13 13:03 UTCEG score recompute
  66. 2026-09-13 13:03 UTCGHSA enrichmentGHSA-92wf-68v3-h8h4 · GitHub CVSS 5.3
  67. 2026-09-12 13:25 UTCEG score recompute
  68. 2026-09-12 12:19 UTCEG score recomputeFirst assessed: 5.3 MEDIUM
  69. 2026-09-12 12:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90539?
CVE-2026-90539 is a medium-severity vulnerability; its CVE record was published on September 12, 2026. WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a missing authentication vulnerability in the plugin/TopMenu/menuItems.json.php endpoint that allows unauthenticated attackers to read inactive admin menu items by submitting a POST request with a menuId parameter.…
When was CVE-2026-90539 made public?
CVE-2026-90539 was made public on August 28, 2026: that is the date its CVE record's CNA, VulnCheck, gives for when the vulnerability was made public. The CVE record itself was published on September 12, 2026. EchelonGraph's copy of the record carries a last-modified date of September 14, 2026; the record at its source may have been updated since.
Is CVE-2026-90539 actively exploited?
CVE-2026-90539 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (33rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-90539?
CVE-2026-90539 has a CVSS base score of 5.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-90539?
No fix for CVE-2026-90539 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-90539 are linked in the Vendor Advisories panel on this page.

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