CVE-2026-86479

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-07. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

In JetBrains YouTrack before 2026.2.18788, 2026.1.14055, 2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Sep 7, 2026
No patch confirmed yet.
generic

Fixed security issues

https://www.jetbrains.com/privacy-security/issues-fixed/

Vendor Advisories for CVE-2026-86479(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 26× in last 7d / 77× 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 01:27 UTCEG score recompute
  2. 2026-09-25 01:27 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-24 12:26 UTCGHSA enrichment
  5. 2026-09-23 23:24 UTCEG score recompute
  6. 2026-09-23 23:24 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 10:07 UTCGHSA enrichment
  9. 2026-09-22 21:06 UTCEG score recompute
  10. 2026-09-22 21:06 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 08:06 UTCEG score recompute
  13. 2026-09-22 08:06 UTCGHSA enrichment
  14. 2026-09-21 21:09 UTCEPSS rescore
  15. 2026-09-21 19:04 UTCGHSA enrichment
  16. 2026-09-21 06:03 UTCEG score recompute
  17. 2026-09-21 06:03 UTCGHSA enrichment
  18. 2026-09-20 20:16 UTCEPSS rescore
  19. 2026-09-20 17:02 UTCGHSA enrichment
  20. 2026-09-20 04:00 UTCEG score recompute
  21. 2026-09-20 04:00 UTCGHSA enrichment
  22. 2026-09-19 14:58 UTCGHSA enrichment
  23. 2026-09-19 01:57 UTCEG score recompute
  24. 2026-09-19 01:57 UTCGHSA enrichment
  25. 2026-09-18 19:28 UTCEPSS rescore
Show 52 more
  1. 2026-09-18 12:57 UTCGHSA enrichment
  2. 2026-09-17 23:56 UTCEG score recompute
  3. 2026-09-17 23:56 UTCGHSA enrichment
  4. 2026-09-17 19:32 UTCEPSS rescore
  5. 2026-09-17 10:19 UTCGHSA enrichment
  6. 2026-09-16 21:18 UTCEG score recompute
  7. 2026-09-16 21:18 UTCGHSA enrichment
  8. 2026-09-16 14:09 UTCEPSS rescore
  9. 2026-09-16 07:27 UTCEG score recompute
  10. 2026-09-16 07:27 UTCGHSA enrichment
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-15 18:26 UTCGHSA enrichment
  13. 2026-09-15 05:23 UTCEG score recompute
  14. 2026-09-15 05:22 UTCGHSA enrichment
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-14 16:18 UTCGHSA enrichment
  18. 2026-09-14 03:17 UTCEG score recompute
  19. 2026-09-14 03:17 UTCGHSA enrichment
  20. 2026-09-13 14:17 UTCGHSA enrichment
  21. 2026-09-13 01:16 UTCEG score recompute
  22. 2026-09-13 01:16 UTCGHSA enrichment
  23. 2026-09-12 12:15 UTCGHSA enrichment
  24. 2026-09-11 23:14 UTCEG score recompute
  25. 2026-09-11 23:13 UTCGHSA enrichment
  26. 2026-09-11 14:53 UTCEPSS rescore
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 09:36 UTCGHSA enrichment
  29. 2026-09-10 20:35 UTCEG score recompute
  30. 2026-09-10 20:35 UTCGHSA enrichment
  31. 2026-09-10 07:34 UTCGHSA enrichment
  32. 2026-09-09 18:33 UTCGHSA enrichment
  33. 2026-09-09 05:32 UTCEG score recompute
  34. 2026-09-09 05:32 UTCGHSA enrichment
  35. 2026-09-09 05:24 UTCNVD updateCVSS v3 → 8.1
  36. 2026-09-09 04:41 UTCEG score recompute
  37. 2026-09-09 04:41 UTCGHSA enrichment
  38. 2026-09-09 04:26 UTCMITRE cvelistV5CVSS v3 → 8
  39. 2026-09-08 22:01 UTCEPSS rescore
  40. 2026-09-08 15:56 UTCGHSA enrichment
  41. 2026-09-08 11:42 UTCEG score recompute
  42. 2026-09-08 11:41 UTCGHSA enrichment
  43. 2026-09-08 11:29 UTCNVD updateCVSS v3 → 8.1
  44. 2026-09-08 10:59 UTCEG score recompute
  45. 2026-09-08 10:58 UTCGHSA enrichment
  46. 2026-09-08 10:46 UTCMITRE cvelistV5CVSS v3 → 8
  47. 2026-09-08 06:24 UTCEG score recompute
  48. 2026-09-08 06:24 UTCGHSA enrichment
  49. 2026-09-07 17:23 UTCEG score recompute▲ 0.10
  50. 2026-09-07 17:23 UTCNVD updateCVSS v3 → 8.1
  51. 2026-09-07 16:35 UTCEG score recompute
  52. 2026-09-07 16:35 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86479?
CVE-2026-86479 is a high vulnerability published on September 7, 2026. In JetBrains YouTrack before 2026.2.18788, 2026.1.14055, 2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR
When was CVE-2026-86479 disclosed?
CVE-2026-86479 was first published in the National Vulnerability Database on September 7, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86479 actively exploited?
CVE-2026-86479 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 74.2% of all scored CVEs.
What is the CVSS score of CVE-2026-86479?
CVE-2026-86479 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-86479?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86479, 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-2026-86479

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