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vuln-cve/data/2026/49xxx/CVE-2026-49959.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49959",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-06-02T16:30:15.233Z",
"datePublished": "2026-06-09T16:46:03.502Z",
"dateUpdated": "2026-11-08T14:05:00.139Z"
},
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},
"datePublic": "2026-06-07T00:00:00.000Z",
"title": "Hermes WebUI < 0.51.311 RCE via Git Configuration Injection",
"descriptions": [
{
"lang": "en",
"value": "Hermes WebUI before version 0.51.311 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by placing malicious executable Git configuration in a workspace repository's .git/config file. Attackers can exploit Git subprocess invocations in api/workspace_git.py through vectors such as core.fsmonitor during git status, protocol.ext.allow with ext:: remotes during git fetch, credential.helper, core.askPass, core.gitProxy, or inherited environment variables including GIT_SSH_COMMAND to achieve arbitrary command execution on the host running the application."
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"cweId": "CWE-78",
"description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
"type": "CWE"
}
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"defaultStatus": "affected",
"packageURL": "pkg:github/nesquena/hermes-webui",
"vendor": "nesquena",
"product": "hermes-webui",
"repo": "https://github.com/nesquena/hermes-webui",
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"version": "0",
"versionType": "semver",
"lessThan": "0.51.311"
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"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"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",
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"scope": "UNCHANGED",
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"references": [
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"url": "https://github.com/nesquena/hermes-webui/releases/tag/v0.51.311",
"name": "hermes-webui 0.51.311 Release Notes",
"tags": [
"release-notes"
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},
{
"url": "https://github.com/nesquena/hermes-webui/pull/3776",
"tags": [
"issue-tracking",
"patch"
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{
"url": "https://github.com/nesquena/hermes-webui/commit/938ac9f55b53def1eefb48c4c42dabaf9c22e99c",
"tags": [
"patch"
]
},
{
"url": "https://www.vulncheck.com/advisories/hermes-webui-rce-via-git-configuration-injection",
"tags": [
"third-party-advisory"
]
}
],
"credits": [
{
"lang": "en",
"value": "Chia Min Jun Lennon",
"type": "finder"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
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}
},
"adp": [
{
"metrics": [
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"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-10T13:49:28.044885Z",
"id": "CVE-2026-49959",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
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"dateUpdated": "2026-06-10T13:50:27.809Z"
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