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CVE-2026-82271— R2R Missing Ownership Check Allows Modifying Other Users' Conversations

Quick assessment

Affected
SciPhi-AI R2R
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.

SciPhi-AI R2R是SciPhi-AI组织的一个将检索与生成流程进行编排的智能引擎。 SciPhi-AI R2R 3.6.5及之前版本存在授权问题漏洞，该漏洞源于对话更新和消息处理程序未正确验证用户所有权，可能导致经过身份验证的用户修改其他用户的对话，通过提供任意对话标识符重命名对话并向其他用户的对话历史追加消息，破坏状态并注入恶意内容。

CVSS 6.5 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1021 · Remote Services

Affected Version Matrix 1

VendorProduct Version RangeStatus
SciPhi-AI R2R ≤ 3.6.5 affected
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I. Basic Information for CVE-2026-82271

Vulnerability Information
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Vulnerability Title
R2R Missing Ownership Check Allows Modifying Other Users' Conversations
Source: CVE Program / CVE List V5
Vulnerability Description
R2R through 3.6.5 fails to properly validate user ownership in conversation update and message handlers, allowing authenticated users to modify other users' conversations. Attackers can supply arbitrary conversation identifiers to rename conversations and append messages to other users' conversation histories, corrupting state and injecting malicious content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
SciPhi-AI R2R 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SciPhi-AI R2R是SciPhi-AI组织的一个将检索与生成流程进行编排的智能引擎。 SciPhi-AI R2R 3.6.5及之前版本存在授权问题漏洞，该漏洞源于对话更新和消息处理程序未正确验证用户所有权，可能导致经过身份验证的用户修改其他用户的对话，通过提供任意对话标识符重命名对话并向其他用户的对话历史追加消息，破坏状态并注入恶意内容。
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
SciPhi-AI R2R 0 ~ 3.6.5 -

II. Public POCs for CVE-2026-82271

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III. Intelligence Information for CVE-2026-82271

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Vendor Advisories for CVE-2026-82271 (1)

Other References for CVE-2026-82271 (2)

IV. Related Vulnerabilities

Same product: R2R
Same vendor: SciPhi-AI
Same weakness: CWE-639

V. Comments for CVE-2026-82271

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