CVE-2026-47110— Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ueberdosis | tiptap-php | < 2.1.1 | affected |
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I. Basic Information for CVE-2026-47110
Vulnerability Information
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Vulnerability Title
Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute
Source: NVD (National Vulnerability Database)
Vulnerability Description
Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri() function when passed to preg_match(). Attackers can persist malformed JSON records that permanently crash the server-side HTML rendering pipeline for all subsequent viewers of that record until the database entry is manually repaired.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
非预期数据类型处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tiptap 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tiptap Tiptap是Tiptap组织开源的一个开源的无头编辑器框架，提供 100+ 扩展及协作、AI 智能体、文档转换等付费功能，帮助开发者快速构建自定义的富文本编辑器。 Tiptap 2.1.1之前版本存在输入验证错误漏洞，该漏洞源于输入验证存在缺陷，可能导致经过身份验证的攻击者通过提交包含特制attrs.href字段的Tiptap JSON，触发Link::isAllowedUri()函数中的未处理类型错误，从而造成拒绝服务。
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 |
|---|---|---|---|---|
| ueberdosis | tiptap-php | 0 ~ 2.1.1 | - |
II. Public POCs for CVE-2026-47110
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-47110 (2)
Vendor Advisories for CVE-2026-47110 (1)
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V. Comments for CVE-2026-47110
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