CVE-2026-4262Network attack vector

Private-message disclosure via unchecked download identifier

Published Mar 26, 2026 · Updated Mar 26, 2026

Incorrect authorization in all versions of HiJiffy Hotel Chatbot allows remote attackers to download other users' private messages by file ID. The /api/v1/download// endpoint accepts an attacker-selected ID and returns the associated message download without enforcing object-level ownership. No authentication or user interaction is required; exposure is limited to message confidentiality, and INCIBE reports no resulting data leak.

CVSS severity6.9
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in all versions of HiJiffy Hotel Chatbot allows remote attackers to download other users' private messages by file ID. The /api/v1/download// endpoint accepts an attacker-selected ID and returns the associated message download without enforcing object-level ownership. No authentication or user interaction is required; exposure is limited to message confidentiality, and INCIBE reports no resulting data leak.

The record

CVE
CVE-2026-4262
Published
Mar 26, 2026
Updated
Mar 26, 2026
Vendor
HiJiffy
Product
HiJiffy Hotel Chatbot
Classifications
CWE-863, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=all versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

HiJiffy · HiJiffy Hotel Chatbotversion=all versions

Published CVSS scores

6.9INCIBECVSS: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 describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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