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CVE-2026-42456— AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

Quick assessment

Affected
Mintplex-Labs anything-llm
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AnythingLLM是Mintplex开源的一个一体化AI应用程序。 AnythingLLM 1.12.1之前版本存在信息泄露漏洞，该漏洞源于GET /api/workspace/:slug/tts/:chatId路由验证工作区成员资格但未强制聊天行所有权，可能导致经过身份验证的用户访问其他用户的私人助手响应音频。

CVSS 4.3 · Medium EPSS 0.30% · P23

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Mintplex-Labs anything-llm < 1.12.1 affected
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I. Basic Information for CVE-2026-42456

Vulnerability Information
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Vulnerability Title
AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)
Source: CVE Program / CVE List V5
Vulnerability Description
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace because the route validates workspace membership but does not enforce ownership of the targeted chat row. As a result, an authenticated user can access another user's private assistant response in audio form if the chatId is known or guessed. This constitutes an insecure direct object reference (IDOR) affecting private chat response content exposed through the TTS endpoint. This issue has been patched in version 1.12.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
AnythingLLM 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AnythingLLM是Mintplex开源的一个一体化AI应用程序。 AnythingLLM 1.12.1之前版本存在信息泄露漏洞，该漏洞源于GET /api/workspace/:slug/tts/:chatId路由验证工作区成员资格但未强制聊天行所有权，可能导致经过身份验证的用户访问其他用户的私人助手响应音频。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mintplex-Labs anything-llm < 1.12.1 -

II. Public POCs for CVE-2026-42456

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III. Intelligence Information for CVE-2026-42456

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Patches & Fixes for CVE-2026-42456 (1)

Vendor Advisories for CVE-2026-42456 (1)

Vendor Pages for CVE-2026-42456 (1)

IV. Related Vulnerabilities

Same product: anything-llm
Same vendor: Mintplex-Labs
Same weakness: CWE-200

V. Comments for CVE-2026-42456

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