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TI-2026-77141 Aliases CVE-2026-87300GHSA-fg4p-p74v-f2jq

Improper access control in Oracle WebLogic Server Proxy Plug-in

Priority MEDIUM 40CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Oracle WebLogic Server Proxy Plug-in versions 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0 are affected. An improper access control flaw (CWE-284) lets an unauthenticated attacker with network access over HTTP create, delete or modify critical data. The attack is difficult to carry out and may also affect additional products.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vulnerability in the Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: WebLogic Server Proxy Plug-In for Third-Party Web Servers). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in 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 Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle Weblogic Server Proxy Plug-in accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleOracle Weblogic Server Proxy Plug-in12.2.1.4.0; 14.1.1.0.0; 14.1.2.0.0—No fix listedCNA
  • Oracle Weblogic Server Proxy Plug-in VendorOracle Affected 12.2.1.4.0; 14.1.1.0.0; 14.1.2.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0:*:*:*:*:*:*:*14.1.1.0.0VulnerableOracle
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0:*:*:*:*:*:*:*14.1.2.0.0VulnerableOracle
  • cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0:*:*:*:*:*:*:* Versions 14.1.1.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0:*:*:*:*:*:*:* Versions 14.1.2.0.0 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle WebLogic Server Proxy Plug-in.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Oracle Weblogic Server Proxy Plug-in — oracle.com/security-alerts/cpuoct2026.html

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-77089 Improper access control in Oracle WebLogic Server Proxy Plug-inPriority LOW 39
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-87300
  2. 2026-10-21 Alias added: GHSA-fg4p-p74v-f2jq
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-27 Weakness changed · CISA ADP
  5. 2026-10-27 CISA SSVC decision points changed
  6. 2026-10-27 Priority changed: LOW → MEDIUM
  7. 2026-10-28 Priority changed: MEDIUM → LOW
  8. 2026-11-07 Priority changed: LOW → MEDIUM

References

Advisory 1

  • TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-43065 Missing authentication in Oracle HTTP Server CVSS 3.1CRITICAL 10.0
  • TI-2026-43064 Improper access control in Oracle HTTP Server CVSS 3.1CRITICAL 9.8
  • TI-2020-17861 Improper signature verification in Dell BSAFE Crypto-C Micro Edition CVSS 3.1CRITICAL 9.8
  • TI-2020-17859 Information disclosure in Dell BSAFE Crypto-C Micro Edition CVSS 3.1CRITICAL 9.8
  • TI-2020-17855 Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition… CVSS 3.1CRITICAL 9.8
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences