Vulnerability · Published Sep 2, 2026 · Assigned by VulDB

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

Medium 4.3

In plain English

A medium-severity uncontrolled resource consumption in OpenFang from RightNow-AI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 59.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
RightNow-AI OpenFang 0.6.00.6.10.6.20.6.30.6.40.6.50.6.60.6.7

Weakness: CWE-789, CWE-400 · 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

References