CVE-2026-20518

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreHIGH confidence

Score 4.4 from GitHub Security Advisory published 2026-09-07. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 4.4Exploit: None knownExposed services: Not assessed

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

In geniezone, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10867524 / ALPS10876355; Issue ID: MSV-6674.

CVSS v3
4.4
EG Score
4.4MEDIUMhigh confidence
EG Risk
20
EG Risk 20/100CISA SSVC

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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 7, 2026

Last Modified

September 28, 2026

Advisory Details (1)

Auto-updated Sep 7, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

September 2026 MediaTek Security Bulletin

https://www.mediatek.com/product-security-bulletin/September-2026

Vendor Advisories for CVE-2026-20518(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 18× in last 7d / 75× 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. 2026-10-04 04:13 UTCEG score recompute
  2. 2026-10-04 04:13 UTCGHSA enrichment
  3. 2026-10-03 04:04 UTCEG score recompute
  4. 2026-10-03 04:04 UTCGHSA enrichment
  5. 2026-10-02 03:37 UTCEG score recompute
  6. 2026-10-02 03:37 UTCGHSA enrichment
  7. 2026-10-01 19:49 UTCEPSS rescore
  8. 2026-10-01 02:42 UTCEG score recompute
  9. 2026-10-01 02:42 UTCGHSA enrichment
  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-30 02:33 UTCEG score recompute
  12. 2026-09-30 02:33 UTCGHSA enrichment
  13. 2026-09-29 15:21 UTCEPSS rescore
  14. 2026-09-28 23:16 UTCEG score recompute
  15. 2026-09-28 23:16 UTCGHSA enrichment
  16. 2026-09-28 13:51 UTCEPSS rescore
  17. 2026-09-28 02:42 UTCEG score recompute
  18. 2026-09-28 02:42 UTCGHSA enrichment
  19. 2026-09-27 13:47 UTCEPSS rescore
  20. 2026-09-27 02:33 UTCEG score recompute
  21. 2026-09-27 02:33 UTCGHSA enrichment
  22. 2026-09-26 15:58 UTCEPSS rescore
  23. 2026-09-26 02:23 UTCEG score recompute
  24. 2026-09-26 02:23 UTCGHSA enrichment
  25. 2026-09-26 00:26 UTCEPSS rescore
Show 50 more
  1. 2026-09-25 02:06 UTCEG score recompute
  2. 2026-09-25 02:06 UTCGHSA enrichment
  3. 2026-09-24 14:03 UTCEPSS rescore
  4. 2026-09-24 01:56 UTCEG score recompute
  5. 2026-09-24 01:56 UTCGHSA enrichment
  6. 2026-09-23 01:47 UTCEG score recompute
  7. 2026-09-23 01:47 UTCGHSA enrichment
  8. 2026-09-22 01:38 UTCEG score recompute
  9. 2026-09-22 01:38 UTCGHSA enrichment
  10. 2026-09-21 01:28 UTCGHSA enrichment
  11. 2026-09-20 01:19 UTCEG score recompute
  12. 2026-09-20 01:19 UTCGHSA enrichment
  13. 2026-09-19 01:10 UTCEG score recompute
  14. 2026-09-19 01:10 UTCGHSA enrichment
  15. 2026-09-18 19:27 UTCEPSS rescore
  16. 2026-09-18 01:00 UTCEG score recompute
  17. 2026-09-18 01:00 UTCGHSA enrichment
  18. 2026-09-17 00:51 UTCEG score recompute
  19. 2026-09-17 00:51 UTCGHSA enrichment
  20. 2026-09-16 14:07 UTCEPSS rescore
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-16 00:41 UTCEG score recompute
  23. 2026-09-16 00:41 UTCGHSA enrichment
  24. 2026-09-15 00:27 UTCGHSA enrichment
  25. 2026-09-14 00:17 UTCEG score recompute
  26. 2026-09-14 00:17 UTCGHSA enrichment
  27. 2026-09-13 16:47 UTCEPSS rescore
  28. 2026-09-13 00:08 UTCEG score recompute
  29. 2026-09-13 00:08 UTCGHSA enrichment
  30. 2026-09-12 15:01 UTCEPSS rescore
  31. 2026-09-11 23:59 UTCEG score recompute
  32. 2026-09-11 23:59 UTCGHSA enrichment
  33. 2026-09-11 14:52 UTCEPSS rescore
  34. 2026-09-10 23:50 UTCEG score recompute
  35. 2026-09-10 23:50 UTCGHSA enrichment
  36. 2026-09-10 09:34 UTCEPSS rescore
  37. 2026-09-09 23:18 UTCEG score recompute
  38. 2026-09-09 23:18 UTCGHSA enrichment
  39. 2026-09-08 22:00 UTCEPSS rescore
  40. 2026-09-08 19:53 UTCGHSA enrichment
  41. 2026-09-08 11:43 UTCEG score recompute
  42. 2026-09-08 11:43 UTCGHSA enrichment
  43. 2026-09-07 16:01 UTCEPSS rescore
  44. 2026-09-07 11:21 UTCGHSA enrichment
  45. 2026-09-07 10:32 UTCEG score recompute▲ 4.40
  46. 2026-09-07 10:32 UTCGHSA enrichment
  47. 2026-09-07 10:31 UTCMITRE cvelistV5CVSS v3 → 4.4 · severity → MEDIUM
  48. 2026-09-07 02:29 UTCNVD update
  49. 2026-09-07 02:04 UTCEG score recompute
  50. 2026-09-07 02:01 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20518?
CVE-2026-20518 is a medium vulnerability published on September 7, 2026. In geniezone, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10867524 / ALPS10876355; Issue ID:…
When was CVE-2026-20518 disclosed?
CVE-2026-20518 was first published on September 7, 2026, with the most recent update on September 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20518 actively exploited?
CVE-2026-20518 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-20518?
CVE-2026-20518 has a CVSS v3.1 base score of 4.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-20518?
No fix for CVE-2026-20518 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-2026-20518 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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