SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-2087

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

EXPLOITHIGH 7.4EPSS 9.49%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 9.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

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.

CVSS 3.0
7.4 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
9.49% probability · 95th percentile
Public exploits
1 in Exploit-DB · first 4 April 2016
CISA KEV
Not listed
Weakness
CWE-22
Affected
hexchat project/hexchat
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 7.72%22 September 2026: 9.52%26 October 2026: 9.49%21 September 202626 October 2026

EPSS moved from 7.7% on 21 September 2026 to 9.5% on 26 October 2026, peaking at 9.5% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-39656source ↗Hexchat IRC Client 2.11.0 - Directory Traversalmultiple · PizzaHatHackerlocal4 April 2016no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.