EIP-2026-111799

PRE-CVE

Roundcube Webmail - Multiple Vulnerabilities

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-111799. PoCs published by j4ck & Globus.

AI-analyzed exploit summary This exploit demonstrates a reflected XSS vulnerability in RoundCube Webmail by injecting a malicious payload via the ERROR_MESSAGE parameter in the error.inc endpoint. The PoC also includes a method to leak the installation path via an additional endpoint.

Description

Roundcube Webmail - Multiple Vulnerabilities

Exploits (1)

exploitdb WORKING POC
by j4ck & Globus · textwebappsphp
https://www.exploit-db.com/exploits/11036

This exploit demonstrates a reflected XSS vulnerability in RoundCube Webmail by injecting a malicious payload via the ERROR_MESSAGE parameter in the error.inc endpoint. The PoC also includes a method to leak the installation path via an additional endpoint.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: RoundCube Webmail 0.2.X
No auth needed
Prerequisites: Access to the target RoundCube Webmail instance
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026