CVE-2025-51869

High

Description

Insecure Direct Object Reference (IDOR) vulnerability in Liner thru 2025-06-03 allows attackers to gain sensitive information via crafted space_id, thread_id, and message_id parameters to the v1/space/{space_id}/thread/{thread_id}/message/{message_id} endpoint.

SeverityHigh

CVSS7.5

Exploit probability—

ProductLiner

PublishedJul 21, 2025

First seenJul 21, 2025

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
Liner	v ≤ 2025-06-03	—

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