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CVE-2026-84888— RightNow-AI OpenFang tool_runner.rs shell_exec memory allocation

Quick assessment

Affected
RightNow-AI OpenFang
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.

RightNow OpenFang是RightNow组织的一款网络安全防护软件。 RightNow OpenFang 0.6.9及之前版本存在资源管理错误漏洞，该漏洞源于crates/openfang-runtime/src/tool_runner.rs文件中shell_exec函数存在不受控制的内存分配问题，可能导致远程拒绝服务攻击。

CVSS 4.3 · Medium EPSS 0.47% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
RightNow-AI OpenFang 0.6.0 affected
0.6.1 affected
0.6.2 affected
0.6.3 affected
0.6.4 affected
0.6.5 affected
0.6.6 affected
0.6.7 affected
… +2 more rows
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I. Basic Information for CVE-2026-84888

Vulnerability Information
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Vulnerability Title
RightNow-AI OpenFang tool_runner.rs shell_exec memory allocation
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in RightNow-AI OpenFang up to 0.6.9. This vulnerability affects the function shell_exec of the file crates/openfang-runtime/src/tool_runner.rs. This manipulation causes uncontrolled memory allocation. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
Source: CVE Program / CVE List V5
Vulnerability Title
RightNow OpenFang 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RightNow OpenFang是RightNow组织的一款网络安全防护软件。 RightNow OpenFang 0.6.9及之前版本存在资源管理错误漏洞，该漏洞源于crates/openfang-runtime/src/tool_runner.rs文件中shell_exec函数存在不受控制的内存分配问题，可能导致远程拒绝服务攻击。
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
RightNow-AI OpenFang 0.6.0 cpe:2.3:a:rightnow-ai:openfang:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84888

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-84888

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Proof of Concept for CVE-2026-84888 (1)

Other References for CVE-2026-84888 (3)

IV. Related Vulnerabilities

Same weakness: CWE-789

V. Comments for CVE-2026-84888

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