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CVE-2026-9368

📛 CVE Title

NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox

⬇ Download JSON ⚠ View as Threat

Description

A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 6.9 / 10 6.9 6.9 / 10
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Effective score
6.9 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-265, CWE-264
Reserved
2026-05-23
Published
2026-05-24 08:45 UTC
Last updated
2026-05-24 08:45 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/9xxx/CVE-2026-9368.json
Linked Threat
CVE-2026-9368 — CVE-2026-9368

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

EPSS score
0.0007 (probability of exploitation in next 30 days)
EPSS percentile
21.22% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 00:17 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-31582
Assigner
VulDB
Published
May 24, 2026, 8:45:09 AM
Updated
May 26, 2026, 4:17:36 PM
EUVD base score (CVSS 4.0)
6.9 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS
0.0900
Vendors
NousResearch
Products
hermes-agent (2026.4.11)
hermes-agent (2026.4.0)
hermes-agent (2026.4.13)
hermes-agent (2026.4.8)
hermes-agent (2026.4.14)
hermes-agent (2026.4.4)
hermes-agent (2026.4.1)
hermes-agent (2026.4.16)
hermes-agent (2026.4.7)
hermes-agent (2026.4.3)
hermes-agent (2026.4.2)
hermes-agent (2026.4.10)
hermes-agent (2026.4.15)
hermes-agent (2026.4.12)
hermes-agent (2026.4.9)
hermes-agent (2026.4.5)
hermes-agent (2026.4.6)
Aliases
GHSA-wm96-9gfh-vvgq

ENISA description: A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

EUVD references (4)

Affected products (1)
VendorProductVersionsPlatforms
NousResearch hermes-agent 2026.4.0 (affected), 2026.4.1 (affected), 2026.4.2 (affected), 2026.4.3 (affected), 2026.4.4 (affected), 2026.4.5 (affected), 2026.4.6 (affected), 2026.4.7 (affected), 2026.4.8 (affected), 2026.4.9 (affected), 2026.4.10 (affected), 2026.4.11 (affected), 2026.4.12 (affected), 2026.4.13 (affected), 2026.4.14 (affected), 2026.4.15 (affected), 2026.4.16 (affected) —

Vendor references (4)

References embedded in the original CVE record by the assigning CNA.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

Remediations (20)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • Pennsylvania Access To Criminal History - Home
    web:epatch.pa.gov

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    2026-05-24 14:50 UTC
  • Security Update Guide - Microsoft Security Response Center
    web:msrc.microsoft.com

    Security Update Guide - Microsoft Security Response Center

    2026-05-24 14:50 UTC
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    web:nvd.nist.gov

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    2026-05-24 14:50 UTC
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    web:patch.com

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    2026-05-24 14:50 UTC
  • Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days
    web:www.bleepingcomputer.com

    Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

    2026-05-24 14:50 UTC
  • CVE: Common Vulnerabilities and Exposures
    web:www.cve.org

    At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

    2026-05-24 14:50 UTC
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    web:www.fixtrading.org

    Learn more Standards and Guidelines FIX standards have driven electronic trading for 30 years and are constantly updated to support industry needs Learn more Events and Community Our member-driven global educational and networking events bring the industry together Learn more

    2026-05-24 14:50 UTC
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    web:www.leagueoflegends.com

    League of Legends Patch 26.5 Notes Welcome to the official patch of First Stand, the first major international tournament of the year!

    2026-05-24 14:50 UTC
  • Oracle Critical Patch Update Advisory - January 2026
    web:www.oracle.com

    Oracle Critical Patch Update Advisory - January 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...

    2026-05-24 14:50 UTC
  • Home - PATCH Hawaii
    web:www.patchhawaii.org

    PATCH provides access to registered and licensed child care, offers child care subsidies to eligible families, provides child development training and ECE scholarship opportunities, and assists those interested in starting a family child care business. PATCH is a free resource hub for families, child care professionals and communities of Hawaii.

    2026-05-24 14:50 UTC
  • Microsoft Patch Tuesday April 2026 - 168 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.

    2026-06-03 22:33 UTC
  • Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...
    web:cybersecuritynews.com

    Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

    2026-06-03 22:33 UTC
  • Security Update Guide - Microsoft Security Response Center
    web:msrc.microsoft.com

    Security Update Guide - Microsoft Security Response Center

    2026-06-03 22:33 UTC
  • Security Update Guide - Microsoft
    web:msrc.microsoft.com

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    2026-06-03 22:33 UTC
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    web:source.android.com

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    2026-06-03 22:33 UTC
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    web:support.servicenow.com

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    2026-06-03 22:33 UTC
  • CVE-2026-9368 - vulmon.com
    web:vulmon.com

    Vulnerability Summary A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted ...

    2026-06-03 22:33 UTC
  • Oracle Critical Patch Update Advisory - April 2026
    web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-06-03 22:33 UTC
  • Oracle Critical Security Patch Update Advisory - May 2026
    web:www.oracle.com

    This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

    2026-06-03 22:33 UTC
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    web:zecurit.com

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    2026-06-03 22:33 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-9368.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Environment Variable Handler"
          ],
          "product": "hermes-agent",
          "vendor": "NousResearch",
          "versions": [
            {
              "status": "affected",
              "version": "2026.4.0"
            },
            {
              "status": "affected",
              "version": "2026.4.1"
            },
            {
              "status": "affected",
              "version": "2026.4.2"
            },
            {
              "status": "affected",
              "version": "2026.4.3"
            },
            {
              "status": "affected",
              "version": "2026.4.4"
            },
            {
              "status": "affected",
              "version": "2026.4.5"
            },
            {
              "status": "affected",
              "version": "2026.4.6"
            },
            {
              "status": "affected",
              "version": "2026.4.7"
            },
            {
              "status": "affected",
              "version": "2026.4.8"
            },
            {
              "status": "affected",
              "version": "2026.4.9"
            },
            {
              "status": "affected",
              "version": "2026.4.10"
            },
            {
              "status": "affected",
              "version": "2026.4.11"
            },
            {
              "status": "affected",
              "version": "2026.4.12"
            },
            {
              "status": "affected",
              "version": "2026.4.13"
            },
            {
              "status": "affected",
              "version": "2026.4.14"
            },
            {
              "status": "affected",
              "version": "2026.4.15"
            },
            {
              "status": "affected",
              "version": "2026.4.16"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Eric-i (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in NousResearch hermes-agent up to 2026.4.16. This impacts the function execute_code of the file tools/code_execution_tool.py of the component Environment Variable Handler. Such manipulation leads to sandbox issue. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-265",
              "description": "Sandbox Issue",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-264",
              "description": "Improper Access Controls",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-24T08:45:09.083Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-365331 | NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/365331"
        },
        {
          "name": "VDB-365331 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/365331/cti"
        },
        {
          "name": "Submit #812229 | NousResearch hermes-agent 2026.4.16 Improper Privilege Management (CWE-269)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/812229"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/YLChen-007/43c72d19668421abe8ce10f299323a0a"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-05-23T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-05-23T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-05-23T12:38:28.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "NousResearch hermes-agent Environment Variable code_execution_tool.py execute_code sandbox"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-9368",
    "datePublished": "2026-05-24T08:45:09.083Z",
    "dateReserved": "2026-05-23T10:33:15.559Z",
    "dateUpdated": "2026-05-24T08:45:09.083Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}