CVE-2026-4263 | HiJiffy Chatbot Private Message /api/v1/webchat/message authorization

VDB-353572 · CVE-2026-4263 · GCVE-0-2026-4263 HIJIFFY CHATBOT PRIVATE MESSAGE /API/V1/WEBCHAT/MESSAGE AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 3.31+ Summaryinfo A vulnerability, which was classified as problematic, was found in HiJiffy Chatbot. Affected is an unknown function of the file /api/v1/webchat/message of the component Private Message Handler. Executing a manipulation can lead to authorization. This vulnerability is tracked as CVE-2026-4263. The attack can be launched remotely. No exploit exists. Detailsinfo A vulnerability was found in HiJiffy Chatbot (affected version not known). It has been declared as problematic. This vulnerability affects some unknown functionality of the file /api/v1/webchat/message of the component Private Message Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality. CVE summarizes: 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'. The weakness was disclosed by David Utón Amaya. The advisory is shared for download at incibe.es. This vulnerability was named CVE-2026-4263 since 03/16/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/26/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Chat Software Vendor HiJiffy Name Chatbot CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.3 VulDB Base Score: 5.3 VulDB Temp Score: 5.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-863 / CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/16/2026 CVE reserved 03/26/2026 +10 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Advisory: incibe.es Researcher: David Utón Amaya Status: Not defined CVE: CVE-2026-4263 (🔒) GCVE (CVE): GCVE-0-2026-4263 GCVE (VulDB): GCVE-100-353572 Entryinfo Created: 03/26/2026 11:37 Changes: 03/26/2026 11:37 (66) Complete: 🔍 Cache ID: 99:125:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸