CVE-2026-11369: IDOR in Comment API Allows Cross-Process Comment Read and Write

Severity: high (CVSS 7.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-05 · updated 2026-06-17
Weakness: CWE-639

Description

The 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.

Affected products

linqi GmbH linqi: through 1.4.8.5

References

https://linqi.help/en/reference/security/security-advisories/#security-advisory-insecure-direct-object-reference-idor-in-comment-api-in-linqi

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