Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessCraft malicious request or link
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ExploitInduce target user interaction
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ExecutionTrigger improper request data handling in Connections
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ImpactReceive sensitive data outside requester's entitlement
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection PII protection
|
| Exploitation Conditions | User interaction is required (UI:R per CVSS vector) - a victim user must perform an action as part of the attack. Attack complexity is high (AC:H), meaning conditions beyond the attacker's direct control must align, such as specific session states or request timing. The CVSS vector shows PR:N (no prior privileges required for the attacker), though this should be verified against the vendor advisory as the description does not explicitly confirm anonymous exploitability. Exploitation is meaningfully limited by: mandatory user interaction, high attack complexity, and confidentiality impact restricted to partial data disclosure (C:L) with no integrity or availability impact. No specific configuration flag or feature enablement is identified in the description as a prerequisite. |
| Impact | The aggregate risk signal for this vulnerability is low. The CVSS 3.1 base score of 3.1 is driven by AC:H (conditions outside attacker control must be met), UI:R (a victim user must take an action), and C:L (only limited data is exposed). There is no integrity or availability impact. No EPSS score is available in the provided data, and the vulnerability is absent from the CISA KEV catalog, with no public proof-of-concept code identified. These signals consistently indicate a low-priority issue unlikely to be exploited opportunistically. The primary real-world risk is targeted misuse by a sophisticated attacker with prior knowledge of the environment. The absence of a confirmed fixed version in the input data introduces some uncertainty about remediation status, which defenders should verify directly against the HCL advisory. |
| Exploit ScenarioDerived | A sophisticated attacker who can engineer a specific interaction from a target user - such as clicking a crafted link or visiting a manipulated Connections page - could cause the application to respond with sensitive data belonging to other users or data beyond the requester's entitlement. The AC:H requirement means the attacker must also control or predict specific application conditions (such as timing, session state, or request sequencing) that are not entirely within attacker control. No public exploit code exists to lower this bar. |
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Alert meAnalysisAIv1 – Aug 31, 2026
HCL Connections exposes sensitive information to unauthorized users through improper handling of request data, classified under CWE-359 (Exposure of Private Personal Information to an Unauthorized Actor). The vulnerability affects all tracked versions per the wildcard CPE and is exploitable over the network, though high attack complexity (AC:H) and required user interaction (UI:R) substantially constrain real-world exploitability. No public exploit code or active exploitation has been identified at the time of analysis, and the CVSS score of 3.1 reflects the limited confidentiality impact and constrained attack prerequisites.
RemediationAI
Consult the HCL Software advisory at https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130164 for the authoritative patched version and upgrade instructions; no specific fix version is identifiable from the provided input data. Patch available per vendor advisory - exact version not independently confirmed from available data. As a compensating control pending patch application, administrators should audit HCL Connections role-based access controls and request routing rules to ensure that data-access permissions are enforced server-side and cannot be bypassed by crafted requests. Additionally, monitoring and logging of unusual data-access patterns can help detect exploitation attempts, with low operational overhead.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
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Technical ContextAI · show details
HCL Connections (formerly IBM Connections) is an enterprise social collaboration and intranet platform by HCL Software. The vulnerability is rooted in CWE-359, which describes the failure to properly restrict access to private or personal data during request processing - the application returns or exposes data belonging to other users or roles when handling certain crafted requests. The affected CPE cpe:2.3:a:hclsoftware:connections:*:*:*:*:*:*:*:* uses a wildcard version specifier, indicating HCL has not bounded the affected version range in the NVD submission. The description's repeated clause ('caused by improper handling of request data') suggests a data handling flaw in the request routing or access-control layer of the application rather than a cryptographic or injection class issue.
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Severity by source
AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Network-accessible application with only partial data exposure; AC:H and UI:R reflect constrained attack prerequisites; no integrity or availability impact applies.
Primary rating from Vendor (HCL).
CVSS VectorVendor: HCL
DescriptionCVE.org
HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data they are not entitled to, caused by improper handling of request data.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
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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EUVD-2026-68615
GHSA-xq3v-phjg-8r8x
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB