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    "cveMetadata": {
        "cveId": "CVE-2026-71963",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-08-08T16:43:04.177Z",
        "datePublished": "2026-09-03T15:19:30.310Z",
        "dateUpdated": "2026-09-03T15:41:27.998Z"
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                "shortName": "VulnCheck",
                "dateUpdated": "2026-09-03T15:19:30.310Z"
            },
            "title": "Hermes Agent 0.18.2 - 0.21.0 RCE via git core.fsmonitor Config Injection",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Hermes Agent 0.18.2 through 0.21.0, fixed in commit f6234d0, contains a remote code execution vulnerability that allows attackers to execute arbitrary OS commands by supplying a malicious repository with a crafted .git/config that sets core.fsmonitor to an attacker-controlled command. When a user opens the malicious repository and sends any message, the agent triggers a git status index refresh which executes the injected command in the user's process context, exposing the full environment including configured provider API keys."
                }
            ],
            "tags": [
                "x_open-source"
            ],
            "datePublic": "2026-09-01T00:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-78",
                            "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "defaultStatus": "affected",
                    "vendor": "NousResearch",
                    "product": "hermes-agent",
                    "packageURL": "pkg:github/NousResearch/hermes-agent",
                    "repo": "https://github.com/NousResearch/hermes-agent",
                    "versions": [
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                            "status": "affected",
                            "version": "0.18.2",
                            "versionType": "semver",
                            "lessThanOrEqual": "0.21.0"
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                            "status": "unaffected",
                            "version": "f6234d00c5d59450adea1d7edd30ad3859375c79",
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                            "value": "GENERAL"
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                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "ACTIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.6,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
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                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
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            ],
            "references": [
                {
                    "url": "https://www.manifold.security/blog/ai-coding-agents-git-hijack",
                    "name": "Manifold Blog",
                    "tags": [
                        "technical-description",
                        "exploit"
                    ]
                },
                {
                    "url": "https://github.com/NousResearch/hermes-agent/pull/101483",
                    "name": "Pull Request",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/NousResearch/hermes-agent/commit/f6234d00c5d59450adea1d7edd30ad3859375c79",
                    "name": "Patch Commit",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://www.vulncheck.com/advisories/hermes-agent-rce-via-git-core-fsmonitor-config-injection",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Francisco Rosales",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "vulncheck"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-03T15:41:06.481007Z",
                                "id": "CVE-2026-71963",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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}