{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-9354",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-9354",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-24T04:15:07.598Z",
    "updatedAt": "2026-05-27T17:28:00.312Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "NousResearch hermes-agent Slack Agent/Mattermost Agent escape output",
      "summary": "A vulnerability was detected in NousResearch hermes-agent up to 2026.4.16. The affected element is an unknown function of the component Slack Agent/Mattermost Agent. The manipulation of the argument format_message results in escaping of output. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
      "affected": [
        {
          "vendor": "NousResearch",
          "product": "hermes-agent",
          "versions": [
            {
              "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",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}