9.8
CRITICAL CVSS 3.1
CVE-2026-1728
Privilege Escalation via System REST APIs in Multiple WSO2 Products Permits Admin Account Takeover
Description

Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.

INFO

Published Date :

Aug. 6, 2026, 8:16 a.m.

Last Modified :

Aug. 6, 2026, 8:16 a.m.

Remotely Exploit :

Yes !

Source :

ed10eef1-636d-4fbe-9993-6890dfa878f8
Affected Products

The following products are affected by CVE-2026-1728 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wso2 api_manager
2 Wso2 api_control_plane
3 Wso2 traffic_manager
4 Wso2 universal_gateway
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL ed10eef1-636d-4fbe-9993-6890dfa878f8
CVSS 3.1 CRITICAL MITRE-CVE
Solution
Restrict access to admin APIs. Ensure tokens are properly validated for privilege.
  • Implement robust access control for REST APIs.
  • Validate user tokens for necessary privileges.
  • Apply vendor patches for the WSO2 product.
  • Limit low-privileged user token scope.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-1728.

URL Resource
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5077/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-1728 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-1728 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-1728 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-1728 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by ed10eef1-636d-4fbe-9993-6890dfa878f8

    Aug. 06, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'WSO2', 'product': 'WSO2 API Manager', 'versions': [{'status': 'unknown', 'version': '0', 'lessThan': '4.0.0', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.0.0', 'lessThan': '4.0.0.384', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.1.0', 'lessThan': '4.1.0.248', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.2.0', 'lessThan': '4.2.0.188', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.3.0', 'lessThan': '4.3.0.99', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.4.0', 'lessThan': '4.4.0.63', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.5.0', 'lessThan': '4.5.0.48', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.6.0', 'lessThan': '4.6.0.12', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'WSO2', 'product': 'WSO2 API Control Plane', 'versions': [{'status': 'affected', 'version': '4.5.0', 'lessThan': '4.5.0.49', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.6.0', 'lessThan': '4.6.0.13', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'WSO2', 'product': 'WSO2 Universal Gateway', 'versions': [{'status': 'affected', 'version': '4.5.0', 'lessThan': '4.5.0.48', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.6.0', 'lessThan': '4.6.0.12', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'WSO2', 'product': 'WSO2 Traffic Manager', 'versions': [{'status': 'affected', 'version': '4.5.0', 'lessThan': '4.5.0.47', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.6.0', 'lessThan': '4.6.0.12', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}, {'vendor': 'WSO2', 'product': 'WSO2 Carbon API Manager Rest API Common Functions', 'versions': [{'status': 'affected', 'version': '9.0.174', 'lessThan': '9.0.174.550', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.28.116', 'lessThan': '9.28.116.404', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.29.120', 'lessThan': '9.29.120.221', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.30.67', 'lessThan': '9.30.67.146', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.31.86', 'lessThan': '9.31.86.130', 'versionType': 'custom'}, {'status': 'affected', 'version': '9.32.147', 'lessThan': '9.32.147.26', 'versionType': 'custom'}, {'status': 'unaffected', 'version': '9.33.27', 'versionType': 'custom', 'lessThanOrEqual': '*'}], 'packageName': 'org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.rest.api.common', 'defaultStatus': 'unknown'}, {'vendor': 'WSO2', 'product': 'WSO2 Carbon API Manager Rest API Utility', 'versions': [{'status': 'affected', 'version': '9.20.74', 'lessThan': '9.20.74.392', 'versionType': 'custom'}, {'status': 'unaffected', 'version': '9.33.27', 'versionType': 'custom', 'lessThanOrEqual': '*'}], 'packageName': 'org.wso2.carbon.apimgt:org.wso2.carbon.apimgt.rest.api.util', 'defaultStatus': 'unknown'}]
    Added Description Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-269
    Added Reference https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2026-5077/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.