CVE-2026-59500

CRITICALPre-NVD 10.010.0
EchelonGraph scoreHIGH confidence

Score 10.0 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-13. a secondary CVSS source baseline 10.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
10.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 10.0Exploit: None knownExposed: 0

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

CWE-287: Improper Authentication

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity100% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 13, 2026

Vendor Advisories for CVE-2026-59500(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 56× in last 7d / 69× 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. 2026-08-20 23:46 UTCEG score recompute
  2. 2026-08-20 23:46 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 19:46 UTCGHSA enrichment
  5. 2026-08-20 15:46 UTCGHSA enrichment
  6. 2026-08-20 11:45 UTCGHSA enrichment
  7. 2026-08-20 07:44 UTCGHSA enrichment
  8. 2026-08-20 03:43 UTCGHSA enrichment
  9. 2026-08-19 23:43 UTCGHSA enrichment
  10. 2026-08-19 19:42 UTCEG score recompute
  11. 2026-08-19 19:42 UTCGHSA enrichment
  12. 2026-08-19 17:04 UTCEPSS rescore
  13. 2026-08-19 15:41 UTCGHSA enrichment
  14. 2026-08-19 11:41 UTCGHSA enrichment
  15. 2026-08-19 07:41 UTCGHSA enrichment
  16. 2026-08-19 03:41 UTCGHSA enrichment
  17. 2026-08-18 23:40 UTCGHSA enrichment
  18. 2026-08-18 19:39 UTCGHSA enrichment
  19. 2026-08-18 15:39 UTCEG score recompute
  20. 2026-08-18 15:38 UTCGHSA enrichment
  21. 2026-08-18 13:48 UTCEPSS rescore
  22. 2026-08-18 11:38 UTCGHSA enrichment
  23. 2026-08-18 07:37 UTCGHSA enrichment
  24. 2026-08-18 03:33 UTCGHSA enrichment
  25. 2026-08-17 23:32 UTCGHSA enrichment
Show 44 more
  1. 2026-08-17 19:31 UTCGHSA enrichment
  2. 2026-08-17 15:31 UTCEG score recompute
  3. 2026-08-17 15:31 UTCGHSA enrichment
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-17 11:30 UTCGHSA enrichment
  6. 2026-08-17 07:30 UTCGHSA enrichment
  7. 2026-08-17 03:30 UTCGHSA enrichment
  8. 2026-08-16 23:30 UTCGHSA enrichment
  9. 2026-08-16 19:30 UTCGHSA enrichment
  10. 2026-08-16 15:29 UTCEG score recompute
  11. 2026-08-16 15:29 UTCGHSA enrichment
  12. 2026-08-16 14:56 UTCEPSS rescore
  13. 2026-08-16 11:28 UTCGHSA enrichment
  14. 2026-08-16 07:28 UTCGHSA enrichment
  15. 2026-08-16 03:28 UTCEG score recompute
  16. 2026-08-16 03:28 UTCGHSA enrichment
  17. 2026-08-16 02:14 UTCEPSS rescore
  18. 2026-08-15 23:28 UTCGHSA enrichment
  19. 2026-08-15 19:28 UTCGHSA enrichment
  20. 2026-08-15 15:28 UTCGHSA enrichment
  21. 2026-08-15 11:28 UTCGHSA enrichment
  22. 2026-08-15 07:28 UTCGHSA enrichment
  23. 2026-08-15 03:28 UTCEG score recompute
  24. 2026-08-15 03:28 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
  26. 2026-08-14 23:28 UTCGHSA enrichment
  27. 2026-08-14 19:28 UTCGHSA enrichment
  28. 2026-08-14 15:27 UTCGHSA enrichment
  29. 2026-08-14 11:27 UTCGHSA enrichment
  30. 2026-08-14 07:27 UTCGHSA enrichment
  31. 2026-08-14 03:26 UTCGHSA enrichment
  32. 2026-08-13 23:27 UTCEG score recompute
  33. 2026-08-13 23:27 UTCGHSA enrichment
  34. 2026-08-13 22:00 UTCEPSS rescore
  35. 2026-08-13 19:26 UTCGHSA enrichment
  36. 2026-08-13 15:26 UTCEG score recompute
  37. 2026-08-13 15:26 UTCGHSA enrichment
  38. 2026-08-13 15:14 UTCEG score recompute
  39. 2026-08-13 15:14 UTCGHSA enrichment
  40. 2026-08-13 14:28 UTCEG score recompute
  41. 2026-08-13 14:28 UTCGHSA enrichment
  42. 2026-08-13 10:28 UTCEG score recompute
  43. 2026-08-13 09:21 UTCEG score recompute
  44. 2026-08-13 09:21 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-59500?
CVE-2026-59500 is a critical vulnerability published on August 13, 2026. CWE-287: Improper Authentication
When was CVE-2026-59500 disclosed?
CVE-2026-59500 was first published in the National Vulnerability Database on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59500 actively exploited?
CVE-2026-59500 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 68.5% of all scored CVEs.
What is the CVSS score of CVE-2026-59500?
CVE-2026-59500 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2026-59500?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59500, 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-2026-59500

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