CVE-2026-21962

CRITICALNVD 10.010.0—
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-08-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 10.0 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 42%CVSS: 10.0Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 0

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

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in accessible data. Note: Affected version for Weblogic Server Proxy Plug-in for IIS is 12.2.1.4.0 only. CVSS 3.1 Base Score 10.0 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N).

CVSS v3
10.0
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: Act

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
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
42%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

January 20, 2026

Last Modified

August 25, 2026

Advisory Details (3)

Auto-updated Sep 22, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic

André Baptista on X: "It's crazy how hallucinated AI CVE PoCs keep ending up in @NIST NVD references. One recent example is CVE-2026-21962, a 10.0 CVE in Oracle HTTP Server / Apache Proxy Plugin. https://t.co/u33KjhBxTZ links to a GitHub repository with a fake PoC. This also propagates to @githu… / X

https://x.com/0xacb/status/2015473216844620280
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21962
generic

Stop wasting everyone's time with fake PoCs · Issue #1 · Ashwesker/Ashwesker-CVE-2026-21962 · GitHub

https://web.archive.org/web/20260129165916/https://github.com/Ashwesker/Ashwesker-CVE-2026-21962/issues/1

Vendor Advisories for CVE-2026-21962(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 58× in last 7d / 247× 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.

Showing the most recent 100 of 366 total refreshes for this CVE.

  1. 2026-09-22 14:40 UTCGHSA enrichment
  2. 2026-09-22 10:56 UTCGHSA enrichment
  3. 2026-09-22 07:13 UTCGHSA enrichment
  4. 2026-09-22 03:30 UTCGHSA enrichment
  5. 2026-09-21 23:47 UTCEG score recompute
  6. 2026-09-21 23:47 UTCGHSA enrichment
  7. 2026-09-21 20:04 UTCGHSA enrichment
  8. 2026-09-21 19:09 UTCCISA KEV update
  9. 2026-09-21 16:21 UTCGHSA enrichment
  10. 2026-09-21 12:38 UTCGHSA enrichment
  11. 2026-09-21 08:55 UTCGHSA enrichment
  12. 2026-09-21 05:11 UTCGHSA enrichment
  13. 2026-09-21 01:27 UTCGHSA enrichment
  14. 2026-09-20 21:43 UTCGHSA enrichment
  15. 2026-09-20 17:59 UTCGHSA enrichment
  16. 2026-09-20 14:16 UTCGHSA enrichment
  17. 2026-09-20 10:32 UTCGHSA enrichment
  18. 2026-09-20 06:48 UTCGHSA enrichment
  19. 2026-09-20 03:02 UTCGHSA enrichment
  20. 2026-09-19 23:19 UTCGHSA enrichment
  21. 2026-09-19 19:36 UTCGHSA enrichment
  22. 2026-09-19 15:52 UTCEG score recompute
  23. 2026-09-19 15:52 UTCGHSA enrichment
  24. 2026-09-19 12:05 UTCGHSA enrichment
  25. 2026-09-19 08:21 UTCGHSA enrichment
Show 75 more
  1. 2026-09-19 04:38 UTCGHSA enrichment
  2. 2026-09-19 00:54 UTCGHSA enrichment
  3. 2026-09-18 21:11 UTCEG score recompute
  4. 2026-09-18 21:11 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 19:20 UTCCISA KEV update
  7. 2026-09-18 17:28 UTCGHSA enrichment
  8. 2026-09-18 14:15 UTCCISA KEV update
  9. 2026-09-18 13:45 UTCGHSA enrichment
  10. 2026-09-18 10:02 UTCGHSA enrichment
  11. 2026-09-18 06:19 UTCGHSA enrichment
  12. 2026-09-18 02:36 UTCGHSA enrichment
  13. 2026-09-17 22:52 UTCEG score recompute
  14. 2026-09-17 22:52 UTCGHSA enrichment
  15. 2026-09-17 19:07 UTCGHSA enrichment
  16. 2026-09-17 15:23 UTCGHSA enrichment
  17. 2026-09-17 11:40 UTCGHSA enrichment
  18. 2026-09-17 07:57 UTCGHSA enrichment
  19. 2026-09-17 04:13 UTCGHSA enrichment
  20. 2026-09-17 00:30 UTCGHSA enrichment
  21. 2026-09-16 20:46 UTCGHSA enrichment
  22. 2026-09-16 16:59 UTCEG score recompute
  23. 2026-09-16 16:59 UTCGHSA enrichment
  24. 2026-09-16 14:10 UTCCISA KEV update
  25. 2026-09-16 14:07 UTCEPSS rescore
  26. 2026-09-16 13:16 UTCGHSA enrichment
  27. 2026-09-16 09:31 UTCGHSA enrichment
  28. 2026-09-16 05:47 UTCEG score recompute
  29. 2026-09-16 05:47 UTCGHSA enrichment
  30. 2026-09-16 05:15 UTCEPSS rescore
  31. 2026-09-16 02:04 UTCGHSA enrichment
  32. 2026-09-15 22:20 UTCGHSA enrichment
  33. 2026-09-15 18:37 UTCGHSA enrichment
  34. 2026-09-15 14:54 UTCGHSA enrichment
  35. 2026-09-15 11:11 UTCGHSA enrichment
  36. 2026-09-15 07:28 UTCGHSA enrichment
  37. 2026-09-15 03:45 UTCEG score recompute
  38. 2026-09-15 03:45 UTCGHSA enrichment
  39. 2026-09-15 00:02 UTCGHSA enrichment
  40. 2026-09-14 20:19 UTCGHSA enrichment
  41. 2026-09-14 19:24 UTCCISA KEV update
  42. 2026-09-14 16:36 UTCGHSA enrichment
  43. 2026-09-14 12:53 UTCGHSA enrichment
  44. 2026-09-14 09:09 UTCGHSA enrichment
  45. 2026-09-14 05:26 UTCGHSA enrichment
  46. 2026-09-14 01:42 UTCGHSA enrichment
  47. 2026-09-13 21:59 UTCGHSA enrichment
  48. 2026-09-13 18:16 UTCGHSA enrichment
  49. 2026-09-13 14:33 UTCGHSA enrichment
  50. 2026-09-13 10:50 UTCGHSA enrichment
  51. 2026-09-13 07:06 UTCGHSA enrichment
  52. 2026-09-13 03:23 UTCGHSA enrichment
  53. 2026-09-12 23:41 UTCGHSA enrichment
  54. 2026-09-12 19:58 UTCGHSA enrichment
  55. 2026-09-12 16:15 UTCEG score recompute
  56. 2026-09-12 16:15 UTCGHSA enrichment
  57. 2026-09-12 15:01 UTCEPSS rescore
  58. 2026-09-12 12:32 UTCGHSA enrichment
  59. 2026-09-12 08:49 UTCGHSA enrichment
  60. 2026-09-12 05:05 UTCGHSA enrichment
  61. 2026-09-12 01:22 UTCGHSA enrichment
  62. 2026-09-11 21:39 UTCGHSA enrichment
  63. 2026-09-11 18:49 UTCCISA KEV update
  64. 2026-09-11 17:56 UTCEG score recompute
  65. 2026-09-11 17:56 UTCGHSA enrichment
  66. 2026-09-11 14:52 UTCEPSS rescore
  67. 2026-09-11 14:12 UTCGHSA enrichment
  68. 2026-09-11 10:28 UTCEG score recompute
  69. 2026-09-11 10:28 UTCGHSA enrichment
  70. 2026-09-11 06:43 UTCGHSA enrichment
  71. 2026-09-11 03:00 UTCGHSA enrichment
  72. 2026-09-10 23:17 UTCGHSA enrichment
  73. 2026-09-10 19:34 UTCGHSA enrichment
  74. 2026-09-10 19:28 UTCCISA KEV update
  75. 2026-09-10 15:51 UTCGHSA enrichment

Publicly available exploits

(9 references)

Working exploit code is in the public domain (9 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCKaiserdesMonats/CVE-2026-21962-Blog
    First seen Aug 29, 2026

    CVE-2026-21962 Açığı için blog sayfası oluşturdum.

    Open source ↗
  • GitHub PoCzeetee1235/CVE-2026-21962
    First seen Aug 27, 2026
    Open source ↗
  • GitHub PoC0xBlackash/CVE-2026-21962
    First seen Apr 24, 2026

    CVE-2026-21962

    Open source ↗
  • GitHub PoCnaozibuhao/CVE-2026-21962_Java_GUI_Exploit_Tool
    First seen Mar 21, 2026
    Open source ↗
  • GitHub PoCgregk4sec/cve-2026-21962
    First seen Mar 8, 2026
    Open source ↗
  • GitHub PoCGeorge0Papasotiriou/CVE-2026-21962-Oracle-HTTP-Server-WebLogic-Proxy-Plug-in-Critical-
    First seen Feb 9, 2026

    Oracle Fusion Middleware Oracle HTTP Server / WebLogic Server Proxy Plug-in has an easily exploitable, unauthenticated, network-reachable flaw allowing compromise over HTTP. Affected supported versions include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0.

    Open source ↗
  • GitHub PoCThumpBo/CVE-2026-21962
    First seen Jan 26, 2026

    CVE-2026-21962-EXP

    Open source ↗
  • GitHub PoCsamael0x4/CVE-2026-21962
    First seen Jan 22, 2026

    Unauthenticated vulnerability that may allow remote attackers to compromise confidentiality and integrity, potentially leading to full system compromise.

    Open source ↗
  • GitHub PoCboroeurnprach/Ashwesker-CVE-2026-21962
    First seen Jan 22, 2026

    CVE-2026-21962

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-21962?
CVE-2026-21962 is a critical vulnerability published on January 20, 2026. Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0.…
When was CVE-2026-21962 disclosed?
CVE-2026-21962 was first published in the National Vulnerability Database on January 20, 2026, with the most recent update on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-21962 actively exploited?
Yes. CISA added CVE-2026-21962 to the Known Exploited Vulnerabilities catalog on August 24, 2026, affecting Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-21962?
CVE-2026-21962 has a CVSS v3 base score of 10.0 (NVD).
Which products are affected by CVE-2026-21962?
CVE-2026-21962 affects Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2026-21962?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-21962, 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-2026-21962

Explore →

Is Your Infrastructure Affected by CVE-2026-21962?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs