CVE-2026-83031

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-15. a secondary CVSS source baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: None knownExposed: 0

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

Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Sites. While the vulnerability is in Oracle WebCenter Sites, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle WebCenter Sites. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
45(Track)
EG Risk 45/100SSVC: 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
Severity99% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 23, 2026

References (1)

Vendor Advisories for CVE-2026-83031(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 53× in last 7d / 76× 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 10:02 UTCGHSA enrichment
  2. 2026-09-25 05:53 UTCGHSA enrichment
  3. 2026-09-25 01:44 UTCGHSA enrichment
  4. 2026-09-24 21:34 UTCGHSA enrichment
  5. 2026-09-24 16:42 UTCEG score recompute
  6. 2026-09-24 16:42 UTCGHSA enrichment
  7. 2026-09-24 14:04 UTCEPSS rescore
  8. 2026-09-24 12:24 UTCGHSA enrichment
  9. 2026-09-24 08:14 UTCGHSA enrichment
  10. 2026-09-24 04:05 UTCGHSA enrichment
  11. 2026-09-23 23:55 UTCGHSA enrichment
  12. 2026-09-23 19:46 UTCEG score recompute
  13. 2026-09-23 19:46 UTCGHSA enrichment
  14. 2026-09-23 17:54 UTCEPSS rescore
  15. 2026-09-23 15:36 UTCGHSA enrichment
  16. 2026-09-23 12:55 UTCGHSA enrichment
  17. 2026-09-23 08:46 UTCGHSA enrichment
  18. 2026-09-23 04:37 UTCGHSA enrichment
  19. 2026-09-23 00:28 UTCGHSA enrichment
  20. 2026-09-22 20:17 UTCGHSA enrichment
  21. 2026-09-22 16:07 UTCEG score recompute
  22. 2026-09-22 16:07 UTCGHSA enrichment
  23. 2026-09-22 16:01 UTCEPSS rescore
  24. 2026-09-22 11:58 UTCGHSA enrichment
  25. 2026-09-22 07:48 UTCGHSA enrichment
Show 51 more
  1. 2026-09-22 03:37 UTCGHSA enrichment
  2. 2026-09-21 23:28 UTCEG score recompute
  3. 2026-09-21 23:28 UTCGHSA enrichment
  4. 2026-09-21 21:09 UTCEPSS rescore
  5. 2026-09-21 19:19 UTCGHSA enrichment
  6. 2026-09-21 15:10 UTCGHSA enrichment
  7. 2026-09-21 11:00 UTCGHSA enrichment
  8. 2026-09-21 06:51 UTCGHSA enrichment
  9. 2026-09-21 02:42 UTCGHSA enrichment
  10. 2026-09-20 22:32 UTCEG score recompute
  11. 2026-09-20 22:32 UTCGHSA enrichment
  12. 2026-09-20 20:16 UTCEPSS rescore
  13. 2026-09-20 18:23 UTCGHSA enrichment
  14. 2026-09-20 14:14 UTCGHSA enrichment
  15. 2026-09-20 10:05 UTCGHSA enrichment
  16. 2026-09-20 05:56 UTCGHSA enrichment
  17. 2026-09-20 01:46 UTCGHSA enrichment
  18. 2026-09-19 21:37 UTCGHSA enrichment
  19. 2026-09-19 17:27 UTCEG score recompute
  20. 2026-09-19 17:27 UTCGHSA enrichment
  21. 2026-09-19 13:18 UTCGHSA enrichment
  22. 2026-09-19 09:08 UTCGHSA enrichment
  23. 2026-09-19 04:59 UTCGHSA enrichment
  24. 2026-09-19 00:49 UTCGHSA enrichment
  25. 2026-09-18 20:39 UTCEG score recompute
  26. 2026-09-18 20:39 UTCGHSA enrichment
  27. 2026-09-18 19:28 UTCEPSS rescore
  28. 2026-09-18 16:28 UTCGHSA enrichment
  29. 2026-09-18 12:15 UTCGHSA enrichment
  30. 2026-09-18 08:06 UTCGHSA enrichment
  31. 2026-09-18 03:57 UTCGHSA enrichment
  32. 2026-09-17 23:48 UTCEG score recompute
  33. 2026-09-17 23:47 UTCGHSA enrichment
  34. 2026-09-17 18:30 UTCGHSA enrichment
  35. 2026-09-17 12:55 UTCGHSA enrichment
  36. 2026-09-17 08:26 UTCGHSA enrichment
  37. 2026-09-17 04:16 UTCGHSA enrichment
  38. 2026-09-17 00:06 UTCGHSA enrichment
  39. 2026-09-16 19:56 UTCGHSA enrichment
  40. 2026-09-16 17:43 UTCEG score recompute
  41. 2026-09-16 17:42 UTCGHSA enrichment
  42. 2026-09-16 16:45 UTCEG score recompute
  43. 2026-09-16 16:44 UTCGHSA enrichment
  44. 2026-09-16 14:08 UTCEPSS rescore
  45. 2026-09-16 13:13 UTCGHSA enrichment
  46. 2026-09-16 09:01 UTCGHSA enrichment
  47. 2026-09-16 04:52 UTCGHSA enrichment
  48. 2026-09-16 00:43 UTCEG score recompute
  49. 2026-09-16 00:43 UTCGHSA enrichment
  50. 2026-09-15 20:33 UTCEG score recompute
  51. 2026-09-15 20:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-83031?
CVE-2026-83031 is a critical vulnerability published on September 15, 2026. Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle…
When was CVE-2026-83031 disclosed?
CVE-2026-83031 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-83031 actively exploited?
CVE-2026-83031 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 65.2% of all scored CVEs.
What is the CVSS score of CVE-2026-83031?
CVE-2026-83031 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2026-83031?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-83031, 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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