Medium severity · published Mar 26, 2026
CVE-2026-4263
Incorrect authorization in HiJiffy Chatbot
6.9
CVSS
0.3%
EPSS
No
On KEV
Description
Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter  'visitor' in '/api/v1/webchat/message'.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
HiJiffy Chatbot · HiJiffy
all versions · source: vendor