CVE-2026-84888

RightNow-AI OpenFang tool_runner.rs shell_exec memory allocation

State: Published
Severity: 5.3 Medium
Published: Sep 2, 2026
Updated: Sep 3, 2026
Reserved: Sep 2, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
3.0	4.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-789 Uncontrolled Memory Allocation
CWE-400 Resource Consumption

Affected Products

Product	Versions
OpenFangRightNow-AI	0.6.0Affected 0.6.1Affected 0.6.2Affected 0.6.3Affected 0.6.4Affected 0.6.5Affected 0.6.6Affected 0.6.7Affected 0.6.8Affected 0.6.9Affected

References

VDB-398138 | RightNow-AI OpenFang tool_runner.rs shell_exec memory allocationvdb-entrytechnical-description
VDB-398138 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-84888 | CVE Analysis and Reportthird-party-advisory
Submit #886466 | OpenFang 0.6.9 Denial of Servicethird-party-advisory
https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Reportexploit

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