CVE-2016-2087

HIGH

HexChat 2.11.0 - Path Traversal via IRC Server Name

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-2087. PoCs published by PizzaHatHacker.

AI-analyzed exploit summary This exploit demonstrates a directory traversal vulnerability in HexChat IRC client (CVE-2016-2087) by sending a malicious server name to create arbitrary directories. It requires specific client-side logging configuration to trigger the flaw.

Description

Directory traversal vulnerability in the client in HexChat 2.11.0 allows remote IRC servers to read or modify arbitrary files via a .. (dot dot) in the server name.

Exploits (1)

exploitdb WORKING POC
by PizzaHatHacker · pythonlocalmultiple
https://www.exploit-db.com/exploits/39656

This exploit demonstrates a directory traversal vulnerability in HexChat IRC client (CVE-2016-2087) by sending a malicious server name to create arbitrary directories. It requires specific client-side logging configuration to trigger the flaw.

Classification
Working Poc 100%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: HexChat 2.11.0
No auth needed
Prerequisites: HexChat with logging enabled and a custom log filepath pattern containing '%s'
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/39656/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/95881

Scores

CVSS v3 7.4
EPSS 0.0945
EPSS Percentile 94.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-22
Status published
Products (1)
hexchat_project/hexchat 2.11.0
Published Jan 18, 2017
Tracked Since Feb 18, 2026