Vulnerability-Lookup

CVE-2026-84888 (GCVE-0-2026-84888)

Vulnerability from cvelistv5 – Published: 2026-09-02 21:15 – Updated: 2026-09-03 14:31

Title

RightNow-AI OpenFang tool_runner.rs shell_exec memory allocation

Summary

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.

Severity

5.3 (Medium)


                        
                          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

4.3 (Medium)


                        
                          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

4.3 (Medium)


                        
                          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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 13:15 UTC

CWE

CWE-789 - Uncontrolled Memory Allocation
CWE-400 - Resource Consumption

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/398138	vdb-entrytechnical-description
https://vuldb.com/vuln/398138/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-84888	third-party-advisory
https://vuldb.com/submit/886466	third-party-advisory
https://github.com/outlookgp/CVE/tree/main/OpenFa…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
RightNow-AI	OpenFang	Affected: 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 cpe:2.3:a:rightnow-ai:openfang::::::::

Credits

outlookgp (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-84888

Vulnerability from fkie_nvd - Published: 2026-09-03 05:16 - Updated: 2026-09-03 17:25

Severity

4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Report
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-84888
	cna@vuldb.com	https://vuldb.com/submit/886466
	cna@vuldb.com	https://vuldb.com/vuln/398138
	cna@vuldb.com	https://vuldb.com/vuln/398138/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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        {
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            "cpe:2.3:a:rightnow-ai:openfang:*:*:*:*:*:*:*:*"
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            },
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            },
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    }
  ],
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  "lastModified": "2026-09-03T17:25:25.113",
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        "source": "cna@vuldb.com",
        "type": "Secondary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-84888",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-03T13:15:59.450668Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-03T05:16:47.493",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Report"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-84888"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/886466"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398138"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/398138/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        },
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

GHSA-699F-5QVF-VJWG

Vulnerability from github – Published: 2026-09-03 06:30 – Updated: 2026-09-03 06:30

Details

Severity

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

2.1 (Low)


                  
                    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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-84888"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T05:16:47Z",
    "severity": "LOW"
  },
  "details": "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.",
  "id": "GHSA-699f-5qvf-vjwg",
  "modified": "2026-09-03T06:30:22Z",
  "published": "2026-09-03T06:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84888"
    },
    {
      "type": "WEB",
      "url": "https://github.com/outlookgp/CVE/tree/main/OpenFang_ShellExec_Output_Buffer_DoS_Report"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-84888"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/886466"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398138"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/398138/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-84888 (GCVE-0-2026-84888)

FKIE_CVE-2026-84888

GHSA-699F-5QVF-VJWG

Tags

Sightings

Nomenclature