CVE-2026-123541— OpenAM before 16.1.4 Open Redirect via SAML 1.x Trusted-Partner Matching

Quick assessment

Affected

OpenIdentityPlatform OpenAM

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenAM 16.1.4 之前的版本存在一个开放重定向漏洞。远程攻击者可利用对可信合作伙伴目标地址的宽松匹配机制，在用户完成 SAML 1.x 单点登录（SSO）后将其重定向至攻击者控制的钓鱼网站。攻击者可以构造指向或的链接，其中目标主机地址被设计为与可信合作伙伴相似，从而诱导已认证用户访问恶意站点。

CVSS 4.7 · Medium Updated Nov 08, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

OpenAM before 16.1.4 Open Redirect via SAML 1.x Trusted-Partner Matching

Source: CVE Program / CVE List V5

Vulnerability Description

OpenAM before 16.1.4 contains an open redirect vulnerability that allows remote attackers to redirect users after SAML 1.x single sign-on by exploiting loose trusted-partner destination matching. Attackers can craft links to /SAMLAwareServlet or /SAMLPOSTProfileServlet with a destination host resembling a trusted partner to send authenticated users to attacker-controlled phishing sites.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

指向未可信站点的URL重定向(开放重定向)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
OpenIdentityPlatform	OpenAM	0 ~ 16.1.4	-

II. Public POCs for CVE-2026-123541

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-123541

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Other References for CVE-2026-123541 (2)

https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-rw43-r238-4c7j vendor-advisory
https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-via-saml-1-x-trusted-partner-matching third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-123541

Same Patch Batch · OpenIdentityPlatform · 2026-11-08 · 18 CVEs total

CVE-2026-123551	10.0 CRITICAL	OpenAM 14.0.0 before 16.1.4 Session Token Disclosure via Notification WebSocket
CVE-2026-123550	9.8 CRITICAL	OpenAM before 16.1.4 SAML Authentication Bypass via Unsigned Assertions
CVE-2026-123549	9.8 CRITICAL	OpenAM before 16.1.4 Privilege Escalation via Self-Registration Attribute Bypass
CVE-2026-123543	7.5 HIGH	OpenAM before 16.1.4 Unauthenticated DoS via Unbounded Java Deserialisation
CVE-2026-123545	7.1 HIGH	OpenAM 14.5.1 before 16.1.4 CSRF in OAuth 2.0 Device Flow
CVE-2026-123544	6.8 MEDIUM	OpenAM before 16.1.4 Insufficient Response Validation in Internal SOAP Channel
CVE-2026-123542	6.8 MEDIUM	OpenAM before 16.1.4 PKCE Bypass in OAuth 2.0 Device Authorization Flow
CVE-2026-123538	6.6 MEDIUM	OpenAM before 16.1.4 SAML 1.x Signature Verification Issuer Impersonation
CVE-2026-123552	6.5 MEDIUM	OpenAM before 16.1.4 SSRF and CRL Tampering via Certificate CRL Distribution Point
CVE-2026-123553	6.5 MEDIUM	OpenAM before 16.1.4 Default Credentials in Built-in Accounts Allow Unauthenticated Login
CVE-2026-123546	6.1 MEDIUM	OpenAM before 16.1.4 Open Redirect and XSS via goto and gotoOnFail
CVE-2026-123537	5.0 MEDIUM	OpenAM before 16.1.4 SSRF via UMA Scope Description URLs
CVE-2026-123539	4.8 MEDIUM	OpenAM before 16.1.4 Stored XSS via OAuth 2.0 Consent Page Display Name
CVE-2026-123548	4.7 MEDIUM	OpenAM before 16.1.4 Open Redirect via WS-Federation and SAML v2.0 Pages
CVE-2026-123547	4.7 MEDIUM	OpenAM before 16.1.4 Open Redirect via SAML v2.0 RelayState
CVE-2026-123536	4.1 MEDIUM	OpenAM before 16.1.4 SSRF via Federation Configuration Wizard Metadata URLs
CVE-2026-123540	2.0 LOW	OpenAM before 16.1.4 Incomplete Attribute Encoding in SAML 1.x Form POST

IV. Related Vulnerabilities

Same product: OpenAM

Same vendor: OpenIdentityPlatform

Same weakness: CWE-601