CVE-2026-4263

Incorrect authorization in HiJiffy Chatbot

CVSS 6.9 MEDIUMEPSS 0.3%CWE-863

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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'.

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

Affected products

HiJiffy · HiJiffy Chatbot

References

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