CVE-2025-51869

HIGH
Published Jul 21, 2025 Modified Apr 15, 2026 CWE-639

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.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-639 CWE-639

References

Frequently Asked Questions

What is CVE-2025-51869? +
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. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-51869? +
CVE-2025-51869 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
How do I check if I'm vulnerable to CVE-2025-51869? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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