CVE-2022-39299— Signature bypass via multiple root elements in Passport-SAML
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I. Basic Information for CVE-2022-39299
Vulnerability Information
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Vulnerability Title
Signature bypass via multiple root elements in Passport-SAML
Source: NVD (National Vulnerability Database)
Vulnerability Description
Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered. Users should upgrade to passport-saml version 3.2.2 or newer. The issue was also present in the beta releases of `node-saml` before version 4.0.0-beta.5. If you cannot upgrade, disabling SAML authentication may be done as a workaround.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Passport-SAML 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Passport-SAML是Passport的SAML 2.0身份验证提供程序，Node.js 身份验证库。 Passport-SAML存在数据伪造问题漏洞，该漏洞源于远程攻击者可以使用passport-saml绕过网站上的SAML身份验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| node-saml | passport-saml | < 3.2.2 | - |
II. Public POCs for CVE-2022-39299
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A Simple CVE-2022-39299 PoC exploit generator to bypass authentication in SAML SSO Integrations using vulnerable versions of passport-saml | https://github.com/doyensec/CVE-2022-39299_PoC_Generator | POC Details |
| 2 | CVE-2022-39299 취약점에 대한 Research 정리 | https://github.com/KaztoRay/CVE-2022-39299-Research | POC Details |
| 3 | CVE-2022-39299 취약점에 대한 Research 정리 | https://github.com/AventurineJun/CVE-2022-39299-Research | POC Details |
| 4 | CVE-2022-39299 취약점에 대한 Research 정리 | https://github.com/Haruaventure/CVE-2022-39299-Research | POC Details |
| 5 | CVE-2022-39299 취약점에 대한 Research 정리 | https://github.com/AventurineJ/CVE-2022-39299-Research | POC Details |
| 6 | CVE-2022-39299 취약점에 대한 Research 정리 | https://github.com/Viperazor/CVE-2022-39299-Research | POC Details |
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IV. Related Vulnerabilities
Same vendor: node-saml
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Node-SAML SAML Authentication Bypass - CVE-2025-54419
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xml-crypto Vulnerable to XML Signature Verification Bypass v - CVE-2025-29774
xml-crypto Vulnerable to XML Signature Verification Bypass v - CVE-2024-32962
XML signature verification bypass due improper verification
Same weakness: CWE-347
- CVE-2026-42193
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ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type - CVE-2026-41669
Admidio: SAML Signature Validation Result Ignored — Forged A - CVE-2026-7689
Dolibarr ERP CRM Online Signature security.lib.php dol_verif - CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic
V. Comments for CVE-2022-39299
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