What is CVE-2025-51865?

CVE-2025-51865 is a high-severity vulnerability in N/a, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2025-07-22.

How severe is CVE-2025-51865?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-51865 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in N/a

CVE-2025-51865

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

References

cve@mitre.org

Frequently asked questions

What is CVE-2025-51865?: CVE-2025-51865 is a high-severity vulnerability in N/a, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2025-07-22.
How severe is CVE-2025-51865?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-51865 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.