Medium 4.3Published Sep 2, 2026

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

Updated under an hour ago (2026-10-19 09:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for RightNow-AI OpenFang

Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-789, CWE-400
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Sep 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

RightNow-AI OpenFang rightnow-ai:openfang	0.6.0; 0.6.1; 0.6.2; 0.6.3; 0.6.4; 0.6.5; 0.6.6; 0.6.7; and 2 more ranges	CNA record

References

https://vuldb.com/vuln/398138vdb-entry, technical-description
https://vuldb.com/vuln/398138/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-84888third-party-advisory
https://vuldb.com/submit/886466third-party-advisory
https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Reportexploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.