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.

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
RightNow-AI OpenFang affected
Version Status Constraints
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 —
0.6.8 affected —
0.6.9 affected —

No data.

No data.

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Project Subscriptions

Vendors Products
Rightnow-ai Subscribe
Openfang Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

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

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

Link: CVE-2026-84888

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses