CVE-2026-47110: Improper Handling of Unexpected Data Type in ueberdosis tiptap-php
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.
AI Analysis
Technical Summary
CVE-2026-47110 affects ueberdosis tiptap-php before version 2.1.1. The vulnerability arises from improper handling of unexpected data types in the attrs.href field of Tiptap JSON input. When an authenticated attacker submits JSON with attrs.href as an array rather than a string, the Link::isAllowedUri() function calls preg_match() with an invalid argument type, causing an unhandled TypeError. This results in a denial of service by crashing the server-side HTML rendering pipeline. The malformed JSON record remains in the database, causing persistent crashes for all subsequent viewers until manual database repair is performed.
Potential Impact
An authenticated attacker can cause a denial of service by submitting malformed JSON that crashes the server-side rendering process. This denial of service affects all users viewing the affected record until the database entry is manually repaired. There is no indication of remote code execution or data disclosure. The impact is limited to availability disruption of the HTML rendering pipeline.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid accepting or processing untrusted JSON input with unexpected data types in the attrs.href field. Manual repair of malformed database entries is required to restore service after exploitation.
CVE-2026-47110: Improper Handling of Unexpected Data Type in ueberdosis tiptap-php
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.
CVSS v4.0
Score 7.1high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-47110 affects ueberdosis tiptap-php before version 2.1.1. The vulnerability arises from improper handling of unexpected data types in the attrs.href field of Tiptap JSON input. When an authenticated attacker submits JSON with attrs.href as an array rather than a string, the Link::isAllowedUri() function calls preg_match() with an invalid argument type, causing an unhandled TypeError. This results in a denial of service by crashing the server-side HTML rendering pipeline. The malformed JSON record remains in the database, causing persistent crashes for all subsequent viewers until manual database repair is performed.
Potential Impact
An authenticated attacker can cause a denial of service by submitting malformed JSON that crashes the server-side rendering process. This denial of service affects all users viewing the affected record until the database entry is manually repaired. There is no indication of remote code execution or data disclosure. The impact is limited to availability disruption of the HTML rendering pipeline.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid accepting or processing untrusted JSON input with unexpected data types in the attrs.href field. Manual repair of malformed database entries is required to restore service after exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-05-18T19:22:26.748Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3c501d4853345fc1e45bb8
Added to database: 06/24/2026, 21:46:05 UTC
Last enriched: 07/15/2026, 10:04:11 UTC
Last updated: 08/09/2026, 00:41:15 UTC
Views: 76
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