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Exploits
ID:12434 - Exploit for Incorrect Regular Expression in fast-xml-parser - CVE-2026-25896
ID:12434 - Exploit for Incorrect Regular Expression in fast-xml-parser - CVE-2026-25896
Published: February 23, 2026
Vulnerability identifier: #VU123128
Vulnerability risk: Medium
CVE-ID: CVE-2026-25896
CWE-ID: CWE-185
Exploitation vector: Remote access
Vulnerable software:
fast-xml-parser
fast-xml-parser
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient input validation when processing regular expressions in DOCTYPE entity names. A remote attacker can bypass the XML entity encoding.
Remediation
Install updates from vendor's website.