CVE-2026-86492

HIGHPre-NVD 8.58.5—
EchelonGraph scoreHIGH confidence

Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-07. a secondary CVSS source baseline 8.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.5Exploit: 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 a shared token cache allowed cross-tenant theft of GitHub App installation tokens

CVSS v3
8.5
EG Score
8.5(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity85% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
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-2026-86492(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 28× in last 7d / 52× 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. 2026-09-19 06:51 UTCEG score recompute
  2. 2026-09-19 06:51 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 19:21 UTCGHSA enrichment
  5. 2026-09-18 07:50 UTCGHSA enrichment
  6. 2026-09-17 20:20 UTCEG score recompute
  7. 2026-09-17 20:20 UTCGHSA enrichment
  8. 2026-09-17 19:32 UTCEPSS rescore
  9. 2026-09-17 08:48 UTCGHSA enrichment
  10. 2026-09-16 21:18 UTCEG score recompute
  11. 2026-09-16 21:18 UTCGHSA enrichment
  12. 2026-09-16 14:09 UTCEPSS rescore
  13. 2026-09-16 08:59 UTCEG score recompute
  14. 2026-09-16 08:59 UTCGHSA enrichment
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 20:51 UTCGHSA enrichment
  17. 2026-09-15 09:04 UTCEG score recompute
  18. 2026-09-15 09:04 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 21:34 UTCGHSA enrichment
  22. 2026-09-14 09:58 UTCGHSA enrichment
  23. 2026-09-13 22:24 UTCEG score recompute
  24. 2026-09-13 22:24 UTCGHSA enrichment
  25. 2026-09-13 10:55 UTCGHSA enrichment
Show 27 more
  1. 2026-09-12 23:25 UTCEG score recompute
  2. 2026-09-12 23:25 UTCGHSA enrichment
  3. 2026-09-12 11:55 UTCGHSA enrichment
  4. 2026-09-12 00:25 UTCEG score recompute
  5. 2026-09-12 00:25 UTCGHSA enrichment
  6. 2026-09-11 14:53 UTCEPSS rescore
  7. 2026-09-11 14:53 UTCEPSS rescore
  8. 2026-09-11 12:55 UTCEG score recompute
  9. 2026-09-11 12:55 UTCGHSA enrichment
  10. 2026-09-11 01:25 UTCGHSA enrichment
  11. 2026-09-10 13:55 UTCEG score recompute
  12. 2026-09-10 13:55 UTCGHSA enrichment
  13. 2026-09-10 02:25 UTCGHSA enrichment
  14. 2026-09-09 14:55 UTCGHSA enrichment
  15. 2026-09-09 03:24 UTCEG score recompute
  16. 2026-09-09 03:24 UTCGHSA enrichment
  17. 2026-09-08 22:01 UTCEPSS rescore
  18. 2026-09-08 15:53 UTCGHSA enrichment
  19. 2026-09-08 11:41 UTCEG score recompute
  20. 2026-09-08 11:40 UTCGHSA enrichment
  21. 2026-09-08 10:58 UTCEG score recompute
  22. 2026-09-08 10:58 UTCGHSA enrichment
  23. 2026-09-08 04:53 UTCEG score recompute
  24. 2026-09-08 04:53 UTCGHSA enrichment
  25. 2026-09-07 17:23 UTCEG score recompute
  26. 2026-09-07 16:35 UTCEG score recompute
  27. 2026-09-07 16:35 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-86492?
CVE-2026-86492 is a high vulnerability published on September 7, 2026. In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
When was CVE-2026-86492 disclosed?
CVE-2026-86492 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-2026-86492 actively exploited?
CVE-2026-86492 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.6% of all scored CVEs.
What is the CVSS score of CVE-2026-86492?
CVE-2026-86492 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2026-86492?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86492, 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-2026-86492

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