Authorization Bypass via Adaptive Authentication in WSO2 Identity Server Allows Cross-Organization Account Takeover

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Summary

CVECVE-2025-9973
StatePUBLISHED
AssignerWSO2
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-11 12:16:11 UTC
Updated2026-05-11 16:17:29 UTC
DescriptionDue to not validating the organization context when executing adaptive authentication flows, the WSO2 Identity Server allows adaptive authentication logic to be triggered on unintended organizations. A malicious actor with privileges to configure adaptive authentication within one organization can leverage this functionality to execute authentication logic on other organizations and sub-organizations. This flaw allows bypassing authorization boundaries between organizations, leading to unauthorized access to critical operations and user accounts in other organizations. When adaptive authentication is enabled in a multi-organization deployment, a malicious actor with privileges to configure adaptive authentication in one organization could exploit this feature to perform critical operations in other organizations without authorization. This may result in privilege escalation, unauthorized access to resources, and potential account takeover across organizations.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from ed10eef1-636d-4fbe-9993-6890dfa878f8

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

EPSS: 0.000220000 probability, percentile 0.063120000 (date 2026-05-11)

Problem Types: CWE-284 | CWE-863 | CWE-284 CWE-284 Improper Access Control | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1ed10eef1-636d-4fbe-9993-6890dfa878f8Secondary6.4MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
3.1CNACVSS6.4MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WSO2 WSO2 Identity Server affected 7.1.0 7.1.0.26 custom Not specified
CNA WSO2 Conditional Authentication User And Roles Related Functions affected 1.2.76 1.2.76.1 custom Not specified
CNA WSO2 Conditional Authentication User And Roles Related Functions unaffected 1.2.82 * custom Not specified

References

ReferenceSourceLinkTags
security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO... ed10eef1-636d-4fbe-9993-6890dfa878f8 security.docs.wso2.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4530/#solution

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