CVE-2026-86489

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-09-07. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: 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 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations

CVSS v3
6.5
EG Score
6.5(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 8, 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-2026-86489(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 20× in last 7d / 40× 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. 2026-09-20 20:16 UTCEPSS rescore
  2. 2026-09-20 15:19 UTCEG score recompute
  3. 2026-09-20 15:19 UTCGHSA enrichment
  4. 2026-09-19 15:23 UTCEG score recompute
  5. 2026-09-19 15:22 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 15:28 UTCEG score recompute
  8. 2026-09-18 15:28 UTCGHSA enrichment
  9. 2026-09-17 19:32 UTCEPSS rescore
  10. 2026-09-17 15:30 UTCGHSA enrichment
  11. 2026-09-16 15:35 UTCEG score recompute
  12. 2026-09-16 15:35 UTCGHSA enrichment
  13. 2026-09-16 14:09 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 15:38 UTCEG score recompute
  16. 2026-09-15 15:38 UTCGHSA enrichment
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 15:45 UTCEG score recompute
  20. 2026-09-14 15:45 UTCGHSA enrichment
  21. 2026-09-13 15:53 UTCGHSA enrichment
  22. 2026-09-12 16:01 UTCEG score recompute
  23. 2026-09-12 16:01 UTCGHSA enrichment
  24. 2026-09-11 16:08 UTCEG score recompute
  25. 2026-09-11 16:08 UTCGHSA enrichment
Show 15 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-10 16:14 UTCEG score recompute
  4. 2026-09-10 16:14 UTCGHSA enrichment
  5. 2026-09-09 16:05 UTCEG score recompute
  6. 2026-09-09 16:05 UTCGHSA enrichment
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-08 15:53 UTCGHSA enrichment
  9. 2026-09-08 11:41 UTCEG score recompute
  10. 2026-09-08 11:41 UTCGHSA enrichment
  11. 2026-09-08 10:58 UTCEG score recompute
  12. 2026-09-08 10:58 UTCGHSA enrichment
  13. 2026-09-07 17:23 UTCEG score recompute
  14. 2026-09-07 16:35 UTCEG score recompute
  15. 2026-09-07 16:35 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-86489?
CVE-2026-86489 is a medium vulnerability published on September 7, 2026. In JetBrains YouTrack before 2026.2.18634 an IDOR in the user profile API disclosed private issues and starred folders across organizations
When was CVE-2026-86489 disclosed?
CVE-2026-86489 was first published in the National Vulnerability Database on September 7, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-86489 actively exploited?
CVE-2026-86489 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 89.7% of all scored CVEs.
What is the CVSS score of CVE-2026-86489?
CVE-2026-86489 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-86489?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86489, 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-2026-86489

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