SB2026071782 - Insufficient Type Distinction in TYPO3
Published: July 17, 2026
Security Bulletin ID
SB2026071782
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient Type Distinction (CVE-ID: CVE-2026-15305)
CWE-ID: CWE-351 - Insufficient Type Distinction
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient type distinction in Form Framework. A remote attacker can upload files with arbitrary MIME types.
Remediation
Install update from vendor's website.