CVE-2026-4263 PUBLISHED

Incorrect authorization in HiJiffy Chatbot

Assigner: INCIBE
Reserved: 16.03.2026 Published: 26.03.2026 Updated: 26.03.2026

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'.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	HiJiffy
Product	HiJiffy Chatbot
Versions	Default: unaffected Version all versions is affected

Solutions

Update the product to the latest version.

Credits

David Utón Amaya (m3n0sd0n4ld) finder

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-hijiffy-chatbot

Problem Types

CWE-863 CWE