RightNow-AI OpenFang up to 0.6.9 tool_runner.rs shell_exec memory allocation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k1.59+

Summaryinfo

A vulnerability was found in RightNow-AI OpenFang up to 0.6.9. It has been declared as problematic. This issue affects the function shell_exec of the file crates/openfang-runtime/src/tool_runner.rs. Such manipulation leads to memory allocation. This vulnerability is listed as CVE-2026-84888. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in RightNow-AI OpenFang up to 0.6.9 and classified as problematic. Affected by this issue is the function shell_exec of the file crates/openfang-runtime/src/tool_runner.rs. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-84888. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/02/2026 Advisory disclosed
09/02/2026 +0 days VulDB entry created
09/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-84888 (🔒)
GCVE (CVE): GCVE-0-2026-84888
GCVE (VulDB): GCVE-100-398138
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/02/2026 16:24
Changes: 09/02/2026 16:24 (57)
Complete: 🔍
Submitter: outlookgp
Cache ID: 216::103

Submitinfo

Accepted

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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