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Tencent CVE-2026-5585

| EUVDEUVD-2026-19115 MEDIUM
Information Exposure (CWE-200)
2026-04-05 VulDB
5.5
CVSS 4.0 · Vendor: VulDB
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

While the CVSS score of 5.5 indicates moderate severity with low confidentiality impact (VC:L), several factors elevate real-world risk: the attack vector is network-based with low complexity (AV:N/AC:L), requires no authentication (PR:N), and no user interaction (UI:N). The exploitation probability is marked as 'P' (PoC available) with publicly available exploit code on GitHub. However, the impact is limited to information disclosure without integrity or availability impact (VI:N/VA:N/SI:N/SA:N). The vendor's complete non-response despite early notification suggests no patch timeline exists. SSVC assessment would classify this as 'Attend' rather than 'Critical' due to limited functional impact, but the public exploit availability and remote unauthenticated attack vector create practical exploitation risk for exposed instances.

Exploit ScenarioDerived

A remote attacker without authentication or user interaction can send a crafted request to the Task Detail Endpoint via WebSocket to manipulate an unknown function in task_manager.go, triggering information disclosure. A publicly available proof-of-concept exploit is documented on GitHub (https://gist.github.com/YLChen-007/fe4b834144ad535d167507c2008d4011), making it straightforward for an attacker to retrieve sensitive task details or other protected information exposed through the vulnerable endpoint.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Apr 05, 2026

Tencent AI-Infra-Guard 4.0 discloses sensitive information through an unknown function in the Task Detail Endpoint (common/websocket/task_manager.go) that can be manipulated by remote, unauthenticated attackers. The vulnerability has a CVSS score of 5.5 with publicly available exploit code, though no patch has been released despite early vendor notification.

RemediationAI

No vendor-released patch has been identified as of this analysis. Users should implement network-level access controls to restrict remote access to the WebSocket Task Detail Endpoint (common/websocket/task_manager.go) if possible. Monitor Tencent's official security advisories for patch releases, though the vendor's non-response suggests remediation timeline is unclear. As an interim measure, disable or isolate the Task Detail Endpoint if not required for critical operations, and implement authentication or IP whitelisting at the network boundary to restrict access to trusted sources only.

Affected VersionsENISA

AI-Infra-Guard 4.0

Affected Packages

euvd ai_infra_guard no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The vulnerability exists in the WebSocket task management component of Tencent AI-Infra-Guard, specifically within the Task Detail Endpoint handler. The root cause is classified as CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), indicating improper access controls or data validation in the task_manager.go file. The vulnerability affects version 4.0 and potentially earlier versions based on the CPE wildcard pattern. The WebSocket protocol is used for task communication, and the manipulation of an unknown function within this endpoint allows attackers to access information that should be restricted.

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Severity by source

Vendor (VulDB) PRIMARY 5.5 MEDIUM
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:P

Primary rating from Vendor (VulDB) · only source for this CVE.

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
None
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
PoC Detected
Apr 07, 2026 - 13:20 vuln.today
Public exploit code
CVE Published
Apr 05, 2026 - 17:30 nvd
MEDIUM 5.5

DescriptionCVE.org

A vulnerability was found in Tencent AI-Infra-Guard 4.0. The affected element is an unknown function of the file common/websocket/task_manager.go of the component Task Detail Endpoint. Performing a manipulation results in information disclosure. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Exploit
POC
Public exploit code exists
Social Media
1
Sightings
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment CIRCL GitHub VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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