CVE-2026-9352 (GCVE-0-2026-9352)

Vulnerability from cvelistv5 – Published: 2026-05-24 03:30 – Updated: 2026-05-24 03:30
VLAI
Title
NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure
Summary
A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched 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
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/365315 vdb-entrytechnical-description
https://vuldb.com/vuln/365315/cti signaturepermissions-required
https://vuldb.com/submit/812215 third-party-advisory
https://gist.github.com/YLChen-007/760b3940f70899… exploit
Impacted products
Vendor Product Version
NousResearch hermes-agent Affected: 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: 2026.4.17
Affected: 2026.4.18
Affected: 2026.4.19
Affected: 2026.4.20
Affected: 2026.4.21
Affected: 2026.4.22
Affected: 2026.4.23
    cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-i (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:nousresearch:hermes-agent:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Messaging Gateway 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"
            },
            {
              "status": "affected",
              "version": "2026.4.17"
            },
            {
              "status": "affected",
              "version": "2026.4.18"
            },
            {
              "status": "affected",
              "version": "2026.4.19"
            },
            {
              "status": "affected",
              "version": "2026.4.20"
            },
            {
              "status": "affected",
              "version": "2026.4.21"
            },
            {
              "status": "affected",
              "version": "2026.4.22"
            },
            {
              "status": "affected",
              "version": "2026.4.23"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Eric-i (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched 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."
        }
      ],
      "metrics": [
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            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
            "version": "3.1"
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            "baseSeverity": "MEDIUM",
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            "version": "3.0"
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            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
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      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "Information Disclosure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
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              "cweId": "CWE-284",
              "description": "Improper Access Controls",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-24T03:30:11.060Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-365315 | NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/365315"
        },
        {
          "name": "VDB-365315 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/365315/cti"
        },
        {
          "name": "Submit #812215 | NousResearch hermes-agent 2026.4.23 Exposure of Sensitive Information (CWE-200)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/812215"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27"
        }
      ],
      "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": "2026-05-23T11:24:51.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "NousResearch hermes-agent Messaging Gateway local.py _make_run_env information disclosure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-9352",
    "datePublished": "2026-05-24T03:30:11.060Z",
    "dateReserved": "2026-05-23T09:19:35.674Z",
    "dateUpdated": "2026-05-24T03:30:11.060Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-9352",
      "date": "2026-05-27",
      "epss": "0.0003",
      "percentile": "0.08915"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9352\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-05-24T05:16:40.180\",\"lastModified\":\"2026-05-26T19:50:21.747\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A weakness has been identified in NousResearch hermes-agent up to 2026.4.23. This issue affects the function _make_run_env of the file tools/environments/local.py of the component Messaging Gateway Handler. Executing a manipulation can lead to information disclosure. The attack may be launched 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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"},{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"references\":[{\"url\":\"https://gist.github.com/YLChen-007/760b3940f708990e535214529c0c7a27\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/812215\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/365315\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/365315/cti\",\"source\":\"cna@vuldb.com\"}]}}"
  }
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.