CVE-2026-91814— Foxit PDF 编辑器/阅读器签名验证绕过
一分钟漏洞结论
影响对象
Foxit Software Inc. Foxit PDF Editor
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially
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一、 漏洞 CVE-2026-91814 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Security vulnerability: Foxit PDF Editor/Reader Fails to Detect Modifications to Signed Documents Displaying Newly Added Content
来源: CVE Program / CVE List V5
Vulnerability Description
A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the document continues to appear validly signed.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlier | - |
|
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier | - |
|
二、漏洞 CVE-2026-91814 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
未找到公开 POC。
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同批安全公告 · Foxit Software Inc. · 2026-09-23 · 共 31 条
| CVE-2026-91803 | 8.8 HIGH | Foxit PDF Editor/Reader 更新器 DLL 劫持漏洞 |
| CVE-2026-91800 | 8.8 HIGH | Foxit PDF Editor 安装程序本地提权漏洞 |
| CVE-2026-91798 | 8.8 HIGH | Foxit PDF Editor/Reader 更新器权限提升漏洞 |
| CVE-2026-91813 | 8.8 HIGH | Foxit PDF Editor FoxitUpdater 本地提权漏洞 |
| CVE-2026-91812 | 7.9 HIGH | Foxit PDF 更新器证书验证本地提权漏洞 |
| CVE-2026-91809 | 7.8 HIGH | Foxit PDF 编辑器/阅读器注解信息泄露漏洞 |
| CVE-2026-91811 | 7.8 HIGH | Foxit PDF Editor/Reader 远程代码执行漏洞 |
| CVE-2026-91804 | 7.8 HIGH | Foxit PDF Editor/Reader 渲染时越界写入漏洞 |
| CVE-2026-91806 | 7.8 HIGH | Foxit PDF编辑器阅读器信息泄露漏洞 |
| CVE-2026-91801 | 7.8 HIGH | Foxit PDF 富媒体注释目录遍历远程代码执行漏洞 |
| CVE-2026-91797 | 7.8 HIGH | Foxit PDF Editor/Reader 目录遍历远程代码执行漏洞 |
| CVE-2026-91789 | 7.8 HIGH | Foxit PDF Editor U3D文件解析远程代码执行漏洞 |
| CVE-2026-91791 | 7.8 HIGH | Foxit PDF Editor 注解释放后使用漏洞 |
| CVE-2026-91816 | 7.8 HIGH | Foxit PDF Editor/Reader AcroForm 远程代码执行漏洞 |
| CVE-2026-91793 | 7.8 HIGH | Foxit PDF Editor/Reader 信息泄露漏洞 |
| CVE-2026-91792 | 7.8 HIGH | Foxit PDF编辑器/阅读器释放后使用远程代码执行漏洞 |
| CVE-2026-91802 | 7.8 HIGH | Foxit PDF Editor/Reader WebP解码堆溢出漏洞 |
| CVE-2026-91805 | 7.8 HIGH | Foxit PDF编辑器/阅读器释放后使用漏洞 |
| CVE-2026-91795 | 7.8 HIGH | Foxit PDF Editor/Reader 远程代码执行漏洞 |
| CVE-2026-91799 | 7.8 HIGH | Foxit Editor/Reader 重置表单释放后使用漏洞 |
显示前 20 条，共 31 条。 查看全部 → →
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V. Comments for CVE-2026-91814
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