CVE-2025-51865 | BDVDB-2026-287159 Detail

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-639 Authorization Bypass Through User-Controlled Key

References#

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

Exploit#

No public exploit known

History#

Version 12025-07-22Record published in the CVE List.

Published

Published: 2025-07-22
Last modified: 2025-07-22

Vendor information

Vendor: Not stated
Product: Not stated

Score

8.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 37.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Direct Object Reference

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).