CVE-2025-51869

Name: CVE-2025-51869
Creator: NVD / NIST
Published: 2025-07-21T20:15:41.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2025-51869 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.44%

34.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

References

https://github.com/Secsys-FDU/CVE-2025-51869

Timeline

Published: Jul 21, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-51869?

How severe is CVE-2025-51869?

CVE-2025-51869 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2025-51869?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-51869?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST