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CVE-2026-4947— Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign

CVSS 7.1 · High EPSS 0.04% · P11
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I. Basic Information for CVE-2026-4947

Vulnerability Information
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Vulnerability Title
Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign
Source: NVD (National Vulnerability Database)
Vulnerability Description
Addressed a potential insecure direct object reference (IDOR) vulnerability in the signing invitation acceptance process. Under certain conditions, this issue could have allowed an attacker to access or modify unauthorized resources by manipulating user-supplied object identifiers, potentially leading to forged signatures and compromising the integrity and authenticity of documents undergoing the signing process. The issue was caused by insufficient authorization validation on referenced resources during request processing.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Foxit PDF Reader和Foxit PDF Editor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Reader和Foxit PDF Editor都是中国福昕（Foxit）公司的产品。Foxit PDF Reader是一款PDF阅读器。Foxit PDF Editor是一款PDF编辑器。 Foxit PDF Reader和Foxit PDF Editor存在安全漏洞，该漏洞源于签名邀请接受过程中存在潜在的不安全的直接对象引用，可能导致攻击者通过操作用户提供的对象标识符访问或修改未授权资源，从而造成签名伪造并损害文档完整性。
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

VendorProductAffected VersionsCPESubscribe
Foxit Software Inc.na1.foxitesign.foxit.com before 2026-03-26 -

II. Public POCs for CVE-2026-4947

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III. Intelligence Information for CVE-2026-4947

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Same Patch Batch · Foxit Software Inc. · 2026-04-01 · 8 CVEs total

CVE-2026-37757.8 HIGHFoxit PDF Editor/Reader Update Service Uncontrolled Search Path Element Local Privilege Es
CVE-2026-37797.8 HIGHFoxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability
CVE-2026-37807.3 HIGHFoxit PDF Editor/Reader Installer Uncontrolled Search Path Privilege Escalation
CVE-2026-37786.2 MEDIUMStack exhaustion caused by cyclic references in Foxit PDF Editor/Reader
CVE-2026-37765.5 MEDIUMNull pointer dereference in Foxit PDF Editor/Reader when accessing stamp annotation
CVE-2026-37775.5 MEDIUMUse after free of view cache in Foxit PDF Editor/Reader
CVE-2026-37744.7 MEDIUMSelf-Modifications Affecting Altered Printing and Redaction in Foxit PDF Editor

IV. Related Vulnerabilities

Same product: na1.foxitesign.foxit.com
Same vendor: Foxit Software Inc.
Same weakness: CWE-284

V. Comments for CVE-2026-4947

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