CVE-2026-59506

CRITICALPre-NVD 9.39.3—
EchelonGraph scoreHIGH confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-13. a secondary CVSS source baseline 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.3Exploit: None knownExposed: 0

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

CWE-306: Missing Authentication for Critical Function

CVSS v3
9.3
EG Score
9.3(high)
EG Risk
57(Track)
EG Risk 57/100SSVC: 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
Severity93% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

August 13, 2026

Last Modified

August 13, 2026

References (1)

Vendor Advisories for CVE-2026-59506(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 54× in last 7d / 68× 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. 2026-08-21 04:08 UTCGHSA enrichment
  2. 2026-08-20 23:58 UTCEG score recompute
  3. 2026-08-20 23:58 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 19:49 UTCGHSA enrichment
  6. 2026-08-20 15:39 UTCGHSA enrichment
  7. 2026-08-20 11:30 UTCGHSA enrichment
  8. 2026-08-20 07:20 UTCGHSA enrichment
  9. 2026-08-20 03:10 UTCGHSA enrichment
  10. 2026-08-19 23:00 UTCGHSA enrichment
  11. 2026-08-19 18:50 UTCEG score recompute
  12. 2026-08-19 18:50 UTCGHSA enrichment
  13. 2026-08-19 17:04 UTCEPSS rescore
  14. 2026-08-19 14:40 UTCGHSA enrichment
  15. 2026-08-19 10:30 UTCGHSA enrichment
  16. 2026-08-19 06:21 UTCGHSA enrichment
  17. 2026-08-19 01:50 UTCGHSA enrichment
  18. 2026-08-18 21:38 UTCGHSA enrichment
  19. 2026-08-18 17:13 UTCEG score recompute
  20. 2026-08-18 17:12 UTCGHSA enrichment
  21. 2026-08-18 13:48 UTCEPSS rescore
  22. 2026-08-18 12:41 UTCGHSA enrichment
  23. 2026-08-18 08:06 UTCGHSA enrichment
  24. 2026-08-18 03:53 UTCGHSA enrichment
  25. 2026-08-17 23:43 UTCGHSA enrichment
Show 43 more
  1. 2026-08-17 19:32 UTCGHSA enrichment
  2. 2026-08-17 15:22 UTCEG score recompute
  3. 2026-08-17 15:22 UTCGHSA enrichment
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-17 11:10 UTCGHSA enrichment
  6. 2026-08-17 07:01 UTCGHSA enrichment
  7. 2026-08-17 02:52 UTCGHSA enrichment
  8. 2026-08-16 22:42 UTCGHSA enrichment
  9. 2026-08-16 18:32 UTCEG score recompute
  10. 2026-08-16 18:32 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 14:22 UTCGHSA enrichment
  13. 2026-08-16 10:12 UTCGHSA enrichment
  14. 2026-08-16 06:03 UTCEG score recompute
  15. 2026-08-16 06:03 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-16 01:54 UTCGHSA enrichment
  18. 2026-08-15 21:44 UTCGHSA enrichment
  19. 2026-08-15 17:34 UTCGHSA enrichment
  20. 2026-08-15 13:24 UTCGHSA enrichment
  21. 2026-08-15 09:14 UTCGHSA enrichment
  22. 2026-08-15 05:04 UTCEG score recompute
  23. 2026-08-15 05:04 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-15 00:54 UTCGHSA enrichment
  26. 2026-08-14 20:44 UTCGHSA enrichment
  27. 2026-08-14 16:35 UTCGHSA enrichment
  28. 2026-08-14 12:16 UTCGHSA enrichment
  29. 2026-08-14 08:06 UTCGHSA enrichment
  30. 2026-08-14 03:56 UTCGHSA enrichment
  31. 2026-08-13 23:47 UTCEG score recompute
  32. 2026-08-13 23:47 UTCGHSA enrichment
  33. 2026-08-13 22:00 UTCEPSS rescore
  34. 2026-08-13 19:35 UTCGHSA enrichment
  35. 2026-08-13 15:25 UTCEG score recompute
  36. 2026-08-13 15:25 UTCGHSA enrichment
  37. 2026-08-13 15:14 UTCEG score recompute
  38. 2026-08-13 15:14 UTCGHSA enrichment
  39. 2026-08-13 14:38 UTCEG score recompute
  40. 2026-08-13 14:38 UTCGHSA enrichment
  41. 2026-08-13 10:28 UTCEG score recompute
  42. 2026-08-13 09:47 UTCEG score recompute
  43. 2026-08-13 09:46 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59506?
CVE-2026-59506 is a critical vulnerability published on August 13, 2026. CWE-306: Missing Authentication for Critical Function
When was CVE-2026-59506 disclosed?
CVE-2026-59506 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-2026-59506 actively exploited?
CVE-2026-59506 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 67.0% of all scored CVEs.
What is the CVSS score of CVE-2026-59506?
CVE-2026-59506 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-59506?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59506, 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

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