IDOR in Comment API Allows Cross-Process Comment Read and Write

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Summary

CVECVE-2026-11369
StatePUBLISHED
Assignerlinqi
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-05 14:16:35 UTC
Updated2026-06-05 16:07:31 UTC
DescriptionThe Comment API (GET /api/Comment and POST /api/Comment) in the affected application fails to perform authorization checks to verify that the requesting user has access to the object identified by the relatedObjectId. This Insecure Direct Object Reference (IDOR) vulnerability allows any authenticated user to read and write comments on any process across all business units by supplying an arbitrary object GUID.

Risk And Classification

Primary CVSS: v4.0 7.1 HIGH from 86c47df7-7d28-48da-920a-6423c52fd3da

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/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

Problem Types: CWE-639 | CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
4.086c47df7-7d28-48da-920a-6423c52fd3daSecondary7.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linqi GmbH Linqi affected 1.4.8.5 custom Not specified

References

ReferenceSourceLinkTags
linqi.help/en/reference/security/security-advisories 86c47df7-7d28-48da-920a-6423c52fd3da linqi.help
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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