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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Rightnow-ai
  • Openfang

No data.

No data.

References
Link Providers
https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Report cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-84888 cve-icon cve-icon
https://vuldb.com/submit/886466 cve-icon cve-icon
https://vuldb.com/vuln/398138 cve-icon cve-icon
https://vuldb.com/vuln/398138/cti cve-icon cve-icon
History

Thu, 03 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 02 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
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.
Title RightNow-AI OpenFang tool_runner.rs shell_exec memory allocation
First Time appeared Rightnow-ai
Rightnow-ai openfang
Weaknesses CWE-400
CWE-789
CPEs cpe:2.3:a:rightnow-ai:openfang:*:*:*:*:*:*:*:*
Vendors & Products Rightnow-ai
Rightnow-ai openfang
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': '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'}

cvssV3_1

{'score': 4.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-09-02T21:15:08.369Z

Updated: 2026-09-03T14:31:00.717Z

Reserved: 2026-09-02T14:18:28.059Z

Link: CVE-2026-84888

cve-icon Vulnrichment

Updated: 2026-09-03T13:16:03.591Z

cve-icon NVD

Status : Deferred

Published: 2026-09-03T05:16:47.493

Modified: 2026-09-03T17:25:25.113

Link: CVE-2026-84888

cve-icon Redhat

No data.