{"id":"CVE-2025-15039","aliases":["EUVD-2025-210632","GHSA-76r4-x438-gm5w"],"status":"published","title":"Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products","description":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps.\n\nSuccessful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.","severity":{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00668,"percentile":0.5223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-693"],"published":"2026-08-06T07:33:23Z","modified":"2026-09-29T14:10:00Z","products":[{"vendor":"wso2","product":"api_control_plane"},{"vendor":"wso2","product":"api_manager"},{"vendor":"wso2","product":"identity_server"},{"vendor":"wso2","product":"identity_server_as_key_manager"},{"vendor":"wso2","product":"open_banking_am"},{"vendor":"wso2","product":"open_banking_iam"},{"vendor":"wso2","product":"open_banking_km"},{"vendor":"wso2","product":"traffic_manager"},{"vendor":"wso2","product":"universal_gateway"},{"vendor":"wso2","product":"wso2 api control plane"},{"vendor":"wso2","product":"wso2 api manager"},{"vendor":"wso2","product":"wso2 carbon identity application authentication framework"},{"vendor":"wso2","product":"wso2 identity server"},{"vendor":"wso2","product":"wso2 identity server as key manager"},{"vendor":"wso2","product":"wso2 open banking am"},{"vendor":"wso2","product":"wso2 open banking iam"},{"vendor":"wso2","product":"wso2 open banking km"},{"vendor":"wso2","product":"wso2 traffic manager"},{"vendor":"wso2","product":"wso2 universal gateway"}],"references":[{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4973/","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15039"},{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4973"},{"url":"https://github.com/advisories/GHSA-76r4-x438-gm5w"}],"sources":{"cve":[{"id":"CVE-2025-15039","title":"Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products","description":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps.\n\nSuccessful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.","status":"published","published":"2026-08-06T07:33:23.097Z","modified":"2026-08-06T12:31:43.779Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:32:37.680845Z"}],"euvd":[{"id":"EUVD-2025-210632","description":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps.\n\nSuccessful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.","status":"published","published":"2026-08-06T07:33:23Z","modified":"2026-08-06T12:31:43Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"updated_at":"2026-11-02T18:02:09.043832Z"}],"ghsa":[{"id":"GHSA-76r4-x438-gm5w","title":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the...","description":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps.\n\nSuccessful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.","status":"published","published":"2026-08-06T09:30:31Z","modified":"2026-08-06T09:30:39Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:10:09.171432Z"}],"nvd":[{"id":"CVE-2025-15039","description":"The Conditional Authentication (Adaptive Authentication) script does not correctly enforce the completion of all required authentication steps when a specific multi-step pattern involving certain authenticators is configured. This allows an attacker to bypass intermediate authentication challenges by exploiting how the script handles callbacks and re-execution of authentication steps.\n\nSuccessful exploitation allows a malicious actor to gain unauthorized access to a targeted user account. This vulnerability can only be exploited when all of the following conditions are met: the application login flow contains a specific secondary authenticator, the Conditional Authentication script is configured with particular event callbacks and re-executes an authentication step, the targeted user has one of the impacted authenticators enrolled, and the attacker successfully completes any preceding authentication steps.","status":"published","published":"2026-08-06T08:16:29.147Z","modified":"2026-09-29T14:10:00.117Z","cvss":[{"version":"3.1","score":9.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L","level":"critical","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:12:03.20248Z"}]}}