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Oracle WebLogic Server EUVDEUVD-2026-46614

| CVE-2026-60208 CRITICAL
Uncontrolled Resource Consumption (CWE-400)
2026-07-21 oracle GHSA-jpjp-wq38-65mq
9.1
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Locate internet-facing WebLogic HTTP listener
  2. Delivery
    Send crafted request bypassing authentication
  3. Exploit
    Reach privileged Core functionality unauthenticated
  4. Execution
    Read and modify all accessible data
  5. Impact
    Exfiltrate or tamper with critical data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

The required condition is simply network reachability of the Oracle WebLogic Server HTTP interface - the CVSS vector AV:N/AC:L/PR:N/UI:N and the Authentication Bypass tag indicate no special configuration, credentials, or user interaction are needed against affected deployments of versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. What LIMITS exploitation: the target must run one of those affected versions and expose its HTTP listener to the attacker; instances that are fully internal, firewalled to trusted networks, or already patched via the July 2026 CPU are not reachable. Availability is not impacted (A:N), so the vulnerability enables data compromise rather than service disruption.

Impact

The signals are consistent and point to a genuine high priority: the CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N gives remote, low-complexity, unauthenticated, no-interaction exploitation, and the C:H/I:H impact (with A:N) means full read and write to all server-accessible data - a 9.1 base score. The Authentication Bypass tag reinforces that no credentials are required. Tempering the urgency: no EPSS score was provided, the CVE is not in CISA KEV, and no public POC is identified, so this is not confirmed as actively exploited - the risk is currently severe-but-theoretical rather than observed in the wild. Availability impact is None, so this is a data compromise (confidentiality/integrity) rather than a denial-of-service vector. Given WebLogic's history of rapid exploit weaponization after CPU disclosure, treat the low-effort exploitation profile as the dominant factor and patch promptly, especially for internet-exposed instances.

Exploit ScenarioDerived

An attacker locates an internet-facing Oracle WebLogic Server HTTP listener, sends a crafted request that bypasses authentication in the Core component, and gains unauthenticated read/write access to all server-accessible data - exfiltrating sensitive records and tampering with or deleting critical data. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N, no credentials, user interaction, or special complexity is needed; no public POC is currently identified, but the low exploitation barrier makes weaponization plausible once details circulate.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 21, 2026

Remote unauthenticated compromise of Oracle WebLogic Server (Fusion Middleware Core component) lets network attackers read, create, delete, or modify any server-accessible data over HTTP. Tagged as an authentication bypass and scored CVSS 3.1 9.1, it affects supported versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0 and was disclosed in Oracle's July 2026 Critical Patch Update. There is no public exploit identified at time of analysis and it is not in CISA KEV, but the trivial exploitability (AC:L/PR:N/UI:N) makes it a high-priority patch for internet-facing deployments.

RemediationAI

Apply the fixes delivered in the Oracle Critical Patch Update of July 2026 (https://www.oracle.com/security-alerts/cpujul2026.html); patch available per vendor advisory - Oracle ships these as version-specific Patch Set Updates/bundle patches for 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0, so select the CPU bundle matching your exact release rather than an invented version number. Until patched, reduce exposure by removing the WebLogic HTTP/administration listeners from the public internet and restricting access to trusted management networks or a VPN, and place the server behind a WAF or reverse proxy that can filter anomalous requests to the affected endpoints; note that network restrictions may break legitimate remote administration or federated integrations, and WAF rules for an undisclosed vector are only a partial, signature-dependent stopgap. Because the issue is an authentication bypass in the Core component, disabling optional application features is unlikely to fully close it - prioritize the vendor patch.

Affected VersionsENISA

Oracle WebLogic Server 12.2.1.4.0
Oracle WebLogic Server 14.1.1.0.0
Oracle WebLogic Server 15.1.1.0.0
Oracle WebLogic Server 14.1.2.0.0

Affected Packages

euvd oracle_weblogic_server no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Oracle WebLogic Server is a Java EE/Jakarta EE application server that is a core runtime for Oracle Fusion Middleware and a common backend for enterprise web and integration workloads. The flaw resides in the Core component and is classified in the intelligence tags as an Authentication Bypass, meaning an attacker can reach privileged functionality without valid credentials - historically WebLogic Core/authentication issues have stemmed from insecure deserialization, IIOP/T3 protocol handling, or request-routing/authorization filter bypasses, though Oracle does not publish an exact CWE for this entry (CWE listed as N/A). The single CPE, cpe:2.3:a:oracle_corporation:oracle_weblogic_server, confirms the affected surface is the WebLogic Server product itself rather than a bundled library. Because exploitation is over HTTP against the network-facing management/application interfaces, any WebLogic instance whose HTTP listener is reachable is within scope.

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Severity by source

Vendor (oracle) PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI 9.1 CRITICAL

Unauthenticated remote HTTP exploitation with no user interaction gives AV:N/AC:L/PR:N/UI:N; full data read/write yields C:H/I:H, with no service disruption so A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

DescriptionCVE.org

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Executive ViewAI

Why It Matters

Oracle WebLogic Server (Fusion Middleware Core) contains a critical unauthenticated authentication bypass (CVE-2026-60208, CVSS 9.1) allowing remote attackers to read, modify, and delete data without credentials across affected versions 12.2.1.4.0 through 15.1.1.0.0. Organizations with internet-facing WebLogic deployments face immediate data breach risk, particularly since no vendor patch is currently available. The trivial exploitability profile (network-accessible, low complexity, no user interaction required) makes this a business-critical vulnerability requiring urgent mitigation.

Business Impact: Severe
Compensating Controls

Network segmentation restricting HTTP/HTTPS access to WebLogic ports (7001, 7002) to administratively-controlled IP ranges only; Web Application Firewall (WAF) with rules to detect and block exploit signatures targeting authentication bypass vectors; disable unnecessary WebLogic Console and administrative interfaces if operationally feasible; implement real-time log monitoring to detect unauthorized data access attempts; consider running affected WebLogic instances in isolated network zones with restricted data access privileges until patch availability.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
High
widely deployed enterprise Java application server in large organizations
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Out-of-Cycle
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
Very High
Technical Impact
Total

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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