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Attack ChainAIDerived

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

  1. Access
    Obtain admin credentials via phishing or lateral movement
  2. Delivery
    Gain adjacent network access to Carbon Console
  3. Exploit
    Submit crafted input to vulnerable administrative operation
  4. Execution
    OS command injection bypasses input validation
  5. Persist
    Execute arbitrary commands as WSO2 server process
  6. Impact
    Achieve full host compromise with lateral movement potential

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

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

Exploitation Conditions

Exploitation requires two explicit prerequisites: (1) the attacker must possess valid administrative credentials to the WSO2 Carbon Console - PR:H confirms high-privilege authentication is required, not a bypass; (2) the attacker must have network adjacency to the Carbon Console management interface, meaning the Carbon Console must be reachable from the attacker's network position (AV:A). Carbon Console is typically bound to internal/management network interfaces rather than internet-facing ports, so internet-based exploitation is not the default exposure. No user interaction is required once admin access is achieved (UI:N). The scope change (S:C) means impact extends beyond the WSO2 process to the host OS and potentially adjacent infrastructure. Limiting factors: no unauthenticated path exists; the AV:A constraint means perimeter-isolated deployments are not directly reachable from the internet.

Impact

The CVSS 8.4 score reflects a scope-changing, full-compromise outcome (C:H/I:H/A:H/S:C) that elevates the score despite the high-privilege requirement (PR:H) and adjacent network vector (AV:A). In practical terms, exploitation requires an attacker to already possess administrative credentials to the Carbon Console and to be positioned on a network segment with access to the management interface - both significant prerequisites that meaningfully constrain real-world exposure. No CISA KEV listing and no public proof-of-concept exploit have been identified at time of analysis, and no EPSS score was provided. The primary threat actors are malicious insiders, compromised admin accounts, or attackers who have achieved lateral movement to the management network and credential theft. Despite the high CVSS score, the AV:A + PR:H combination places this firmly in the 'high-privilege insider or post-breach escalation' category rather than an opportunistic internet-facing threat. The scope change is the key risk multiplier: once exploited, the attacker transcends the application boundary and may pivot to other systems.

Exploit ScenarioDerived

An attacker who has obtained WSO2 Carbon Console administrative credentials - via phishing, credential stuffing, or lateral movement from a compromised internal host - accesses the console from the management network segment and crafts a malicious input in a vulnerable administrative operation (such as a configuration field or management form). The unsanitized input is passed to an OS command, executing attacker-controlled shell commands with the privileges of the WSO2 server process. No public proof-of-concept exploit has been identified at time of analysis, but the vulnerability class (CWE-78) is well-understood and straightforward to exploit once administrative access is obtained.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 03, 2026

OS command injection (CWE-78) in WSO2's shared Carbon Console administrative interface allows an authenticated administrator with adjacent network access to execute arbitrary operating system commands, leading to complete compromise of the affected system. The vulnerability spans at least eight WSO2 middleware products - including API Manager, Identity Server, Open Banking components, Traffic Manager, Universal Gateway, and API Control Plane - all of which share the Carbon Console administrative layer. The CVSS scope-change flag (S:C) indicates that successful exploitation extends impact beyond the WSO2 application boundary to the underlying host and potentially adjacent systems.

RemediationAI

Consult the WSO2 security advisory at https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4771/ for confirmed fixed versions across each affected product - exact patch version numbers are not independently confirmed from the available CPE data, which uses wildcard version ranges. As an immediate compensating control, restrict network access to Carbon Console management ports to trusted administrator IP ranges only, leveraging firewall or network ACL rules; this directly exploits the AV:A vector limitation and prevents unapproved adjacent-network actors from reaching the interface even with stolen credentials. Enforce multi-factor authentication on all Carbon Console administrative accounts to raise the bar for credential compromise. Audit administrative account usage for anomalous activity. Until patched, consider disabling specific administrative operations identified in the advisory as the injection vectors if WSO2 documents them.

Affected VersionsENISA

WSO2 Identity Server 7.1.0 <7.1.0.38
WSO2 API Manager 4.2.0 <4.2.0.176
WSO2 API Control Plane 4.5.0 <4.5.0.36
WSO2 Traffic Manager 4.5.0 <4.5.0.34
WSO2 Universal Gateway 4.6.0 <4.6.0.1
WSO2 Identity Server 5.10.0 <5.10.0.378
WSO2 Identity Server as Key Manager 5.10.0 <5.10.0.369
WSO2 Identity Server 6.1.0 <6.1.0.253
WSO2 API Manager 4.1.0 <4.1.0.236
WSO2 API Manager 4.5.0 <4.5.0.35
WSO2 Identity Server 6.0.0 <6.0.0.252
WSO2 API Manager 4.3.0 <4.3.0.88
WSO2 Open Banking AM 2.0.0 <2.0.0.398
WSO2 Identity Server 7.2.0 <7.2.0.1
WSO2 API Manager 4.4.0 <4.4.0.52
WSO2 Identity Server 7.0.0 <7.0.0.130
WSO2 Traffic Manager 4.6.0 <4.6.0.1
WSO2 API Control Plane 4.6.0 <4.6.0.1
WSO2 API Manager 3.1.0 <3.1.0.349
WSO2 API Manager 3.2.0 <3.2.0.453
WSO2 Open Banking IAM 2.0.0 <2.0.0.418
WSO2 Identity Server 5.11.0 <5.11.0.425
WSO2 API Manager 3.2.1 <3.2.1.73
WSO2 API Manager 4.0.0 <4.0.0.373
WSO2 Universal Gateway 4.5.0 <4.5.0.34
WSO2 API Manager 4.6.0 <4.6.0.1

Affected Packages

euvd wso2_api_control_plane fix: 4.5.0.36, 4.6.0.1
euvd wso2_api_manager fix: 3.1.0.349, 3.2.0.453, 3.2.1.73, 4.0.0.373, 4.1.0.236, 4.2.0.176, 4.3.0.88, 4.4.0.52, 4.5.0.35, 4.6.0.1
euvd wso2_identity_server fix: 5.10.0.378, 5.11.0.425, 6.0.0.252, 6.1.0.253, 7.0.0.130, 7.1.0.38, 7.2.0.1
euvd wso2_identity_server_as_key_manager fix: 5.10.0.369
euvd wso2_open_banking_am fix: 2.0.0.398
euvd wso2_open_banking_iam fix: 2.0.0.418
euvd wso2_traffic_manager fix: 4.5.0.34, 4.6.0.1
euvd wso2_universal_gateway fix: 4.5.0.34, 4.6.0.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 8 packages in euvd

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

Technical ContextAI · show details

Carbon Console is WSO2's shared web-based administrative UI, built on the open-source WSO2 Carbon framework and bundled into virtually every WSO2 middleware product. CWE-78 (Improper Neutralization of Special Elements used in an OS Command) identifies the root cause: one or more administrative operations pass user-supplied input to OS-level command execution without adequate sanitization or escaping. The adjacent attack vector (AV:A) aligns with Carbon Console's typical deployment on a management or internal network segment, not the public internet. Affected products span the full WSO2 ecosystem per CPE: wso2_api_manager, wso2_identity_server, wso2_identity_server_as_key_manager, wso2_open_banking_am, wso2_open_banking_iam, wso2_traffic_manager, wso2_universal_gateway, and wso2_api_control_plane. Exact vulnerable version ranges are not specified in the CPE data (wildcard versions).

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (WSO2) PRIMARY 8.4 HIGH
AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
vuln.today AI 8.4 HIGH

Vendor-supplied vector is accurate: admin credentials required (PR:H), management network adjacency needed (AV:A), full host compromise with scope change (S:C/C:H/I:H/A:H).

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

Primary rating from Vendor (WSO2).

CVSS VectorVendor: WSO2

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Patch available
Sep 03, 2026 - 15:01 EUVD
CVE Published
Sep 03, 2026 - 13:02 cve.org
HIGH 8.4

DescriptionCVE.org

The administrative operations within the Carbon Console do not adequately validate specific user-supplied input. This oversight allows a malicious actor with administrative privileges to inject and execute arbitrary code remotely.

Successful exploitation enables a threat actor with administrative privileges and Carbon Console access to execute remote arbitrary code through specific administrative operations, leading to a complete compromise of the affected system.

Executive ViewAI

Why It Matters

WSO2's shared administrative console (spanning API Manager, Identity Server, Open Banking, Traffic Manager, and four other middleware products) contains an OS command injection vulnerability accessible to authenticated administrators with adjacent network access; no public exploit identified at time of analysis. Successful exploitation grants full OS-level control, threatening data confidentiality, system integrity, and continuous operation across your entire WSO2 infrastructure.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Implement network isolation as primary control: route all administrative console traffic through hardened bastion hosts (not direct access), enforce multi-factor authentication on all administrative accounts, and logically segment the administrative network from systems vulnerable to lateral movement. Activate real-time audit logging and alerting on all console activities to detect compromise attempts. These controls significantly reduce exploitability but do not eliminate risk until a patch is deployed by WSO2.

Threat Intelligence Overview

EPSS Score
0.2%
Top 87% exploitable
Prevalence
Medium
widely used in financial and API management sectors
Data Quality
5 sources
Confidence: Medium

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 HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation
None
System Exposure· derived
Controlled
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +42
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

CVE-2026-5430 CRITICAL POC
10.0 Aug 06

Authentication bypass in WSO2 API Manager and related components (Universal Gateway, Traffic Manager, API Control Plane,

CVE-2026-2053 CRITICAL
10.0 Jun 26

Server-side request forgery in WSO2 API Manager lets unauthenticated remote attackers coerce the gateway into making ser

CVE-2026-1728 CRITICAL
9.8 Aug 06

Privilege escalation in WSO2 API Manager and related Carbon-based products allows a low-privileged user, using a validly

CVE-2025-15039 CRITICAL
9.4 Aug 06

Authentication bypass in WSO2 Identity Server and multiple WSO2 platform products (API Manager, Open Banking AM/IAM/KM,

CVE-2025-8325 HIGH
8.8 May 11

Missing role-based authorization on WSO2 API Manager's Gateway REST API lets any authenticated user invoke privileged Ga

CVE-2026-4249 HIGH
8.6 Jul 06

Persistent denial of service in multiple WSO2 products - including WSO2 API Manager, WSO2 Universal Gateway, WSO2 Traffi

CVE-2025-14260 HIGH
8.3 Oct 28

Server-side request forgery in WSO2 API Manager and related WSO2 products lets a remote attacker direct the server to ar

CVE-2026-3416 HIGH
7.5 Sep 03

Predictable HMAC shared secrets generated by the API Publisher component of WSO2 API Manager allow a sophisticated attac

CVE-2025-8154 HIGH
7.5 May 11

HTTP response header injection in WSO2 API Manager and its companion WSO2 gateway components (Universal Gateway, Traffic

CVE-2024-2374 HIGH
7.5 Apr 16

The XML parsers within multiple WSO2 products accept user-supplied XML data without properly configuring to prevent the

CVE-2025-13173 MEDIUM
6.5 Oct 19

WSO2 Carbon OAuth, as shipped in WSO2 Identity Server, API Manager, and related WSO2 products, can leave session-bound t

CVE-2025-8591 MEDIUM
6.1 Jul 06

Reflected cross-site scripting across at least eight WSO2 platform products - including Identity Server, API Manager, AP

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