CVE-2026-4263 describes an incorrect authorization vulnerability in the HiJiffy Chatbot, enabling an attacker to download private messages from other users by manipulating the 'visitor' parameter in the '/api/v1/webchat/message' endpoint. This medium severity issue (CVSS 6.9) has a low attack complexity and can be exploited over the network, primarily impacting the confidentiality of user communications. There is currently no evidence of active exploitation, no public exploit code available in common databases, and minimal community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| HiJiffy | HiJiffy Chatbot | all versionsCNA affecteddefault unaffected |
CVSS version used by this source: 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.