CVE-2026-86494

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-07. a secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: 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 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

September 7, 2026

Last Modified

September 8, 2026

Advisory Details (1)

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

Vendor Advisories for CVE-2026-86494(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 27× in last 7d / 72× 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 11:15 UTCGHSA enrichment
  2. 2026-09-24 23:12 UTCEG score recompute
  3. 2026-09-24 23:12 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 10:28 UTCGHSA enrichment
  6. 2026-09-23 22:25 UTCEG score recompute
  7. 2026-09-23 22:25 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 10:23 UTCGHSA enrichment
  10. 2026-09-22 22:19 UTCEG score recompute
  11. 2026-09-22 22:19 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 10:15 UTCGHSA enrichment
  14. 2026-09-21 22:13 UTCEG score recompute
  15. 2026-09-21 22:13 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 10:09 UTCGHSA enrichment
  18. 2026-09-20 22:07 UTCEG score recompute
  19. 2026-09-20 22:07 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 10:04 UTCGHSA enrichment
  22. 2026-09-19 21:58 UTCEG score recompute
  23. 2026-09-19 21:58 UTCGHSA enrichment
  24. 2026-09-19 09:55 UTCGHSA enrichment
  25. 2026-09-18 21:21 UTCEG score recompute
Show 47 more
  1. 2026-09-18 21:21 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 08:22 UTCGHSA enrichment
  4. 2026-09-17 20:20 UTCEG score recompute
  5. 2026-09-17 20:20 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-17 06:45 UTCGHSA enrichment
  8. 2026-09-16 18:19 UTCEG score recompute
  9. 2026-09-16 18:19 UTCGHSA enrichment
  10. 2026-09-16 14:09 UTCEPSS rescore
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-16 04:51 UTCGHSA enrichment
  13. 2026-09-15 16:48 UTCGHSA enrichment
  14. 2026-09-15 04:46 UTCEG score recompute
  15. 2026-09-15 04:45 UTCGHSA enrichment
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-15 03:12 UTCEPSS rescore
  18. 2026-09-14 16:37 UTCGHSA enrichment
  19. 2026-09-14 04:34 UTCEG score recompute
  20. 2026-09-14 04:34 UTCGHSA enrichment
  21. 2026-09-13 16:32 UTCGHSA enrichment
  22. 2026-09-13 04:29 UTCGHSA enrichment
  23. 2026-09-12 16:26 UTCEG score recompute
  24. 2026-09-12 16:26 UTCGHSA enrichment
  25. 2026-09-12 04:23 UTCGHSA enrichment
  26. 2026-09-11 16:20 UTCEG score recompute
  27. 2026-09-11 16:20 UTCGHSA enrichment
  28. 2026-09-11 14:53 UTCEPSS rescore
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 04:17 UTCGHSA enrichment
  31. 2026-09-10 16:14 UTCEG score recompute
  32. 2026-09-10 16:14 UTCGHSA enrichment
  33. 2026-09-10 04:08 UTCGHSA enrichment
  34. 2026-09-09 16:05 UTCGHSA enrichment
  35. 2026-09-09 03:56 UTCEG score recompute
  36. 2026-09-09 03:56 UTCGHSA enrichment
  37. 2026-09-08 22:01 UTCEPSS rescore
  38. 2026-09-08 15:53 UTCGHSA enrichment
  39. 2026-09-08 11:40 UTCEG score recompute
  40. 2026-09-08 11:39 UTCGHSA enrichment
  41. 2026-09-08 10:58 UTCEG score recompute
  42. 2026-09-08 10:57 UTCGHSA enrichment
  43. 2026-09-08 05:30 UTCEG score recompute
  44. 2026-09-08 05:30 UTCGHSA enrichment
  45. 2026-09-07 17:23 UTCEG score recompute
  46. 2026-09-07 16:35 UTCEG score recompute
  47. 2026-09-07 16:35 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-86494?
CVE-2026-86494 is a high vulnerability published on September 7, 2026. In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues
When was CVE-2026-86494 disclosed?
CVE-2026-86494 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-2026-86494 actively exploited?
CVE-2026-86494 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 79.9% of all scored CVEs.
What is the CVSS score of CVE-2026-86494?
CVE-2026-86494 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-86494?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-86494, 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-2026-86494

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