CVE-2025-51865

Name: CVE-2025-51865
Creator: NVD / NIST
Published: 2025-07-22T15:15:37.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2025-51865 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Ai2 playground web service (playground.allenai.org) LLM chat through 2025-06-03 is vulnerable to Insecure Direct Object Reference (IDOR), allowing attackers to gain sensitvie information via enumerating thread keys in the URL.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

Ai2 playground web service (playground.allenai.org) LLM chat through 2025-06-03 is vulnerable to Insecure Direct Object Reference (IDOR), allowing attackers to gain sensitvie information via enumerating thread keys in the URL.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.37%

28.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

References

https://github.com/Secsys-FDU/CVE-2025-51865

Timeline

Published: Jul 22, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-51865?

How severe is CVE-2025-51865?

CVE-2025-51865 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2025-51865?

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-2025-51865?

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

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Source: NVD / NIST