Common Weakness Enumeration

CWE-863

Allowed-with-Review

Incorrect Authorization

Abstraction: Class · Status: Incomplete

API response cwe.mitre.org

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

5491 vulnerabilities reference this CWE, most recent first.

GHSA-H9G5-22CM-HM27

Vulnerability from github – Published: 2022-05-24 19:08 – Updated: 2022-07-13 00:01
VLAI
Details

Windows Hello Security Feature Bypass Vulnerability

Severity
6.1 (Medium)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2021-34466"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-07-16T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Windows Hello Security Feature Bypass Vulnerability",
  "id": "GHSA-h9g5-22cm-hm27",
  "modified": "2022-07-13T00:01:26Z",
  "published": "2022-05-24T19:08:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34466"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34466"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-H9HQ-CMW2-PXGH

Vulnerability from github – Published: 2022-05-24 17:48 – Updated: 2022-07-13 00:01
VLAI
Details

Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2021-20715"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-04-27T06:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.",
  "id": "GHSA-h9hq-cmw2-pxgh",
  "modified": "2022-07-13T00:01:05Z",
  "published": "2022-05-24T17:48:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20715"
    },
    {
      "type": "WEB",
      "url": "https://jvn.jp/en/jp/JVN97434260/index.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-H9WJ-H268-PFRP

Vulnerability from github – Published: 2022-05-24 19:02 – Updated: 2022-07-13 00:01
VLAI
Details

Microsoft SharePoint Spoofing Vulnerability This CVE ID is unique from CVE-2021-28478, CVE-2021-31172.

Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2021-26418"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-11T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "Microsoft SharePoint Spoofing Vulnerability This CVE ID is unique from CVE-2021-28478, CVE-2021-31172.",
  "id": "GHSA-h9wj-h268-pfrp",
  "modified": "2022-07-13T00:01:11Z",
  "published": "2022-05-24T19:02:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26418"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26418"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-H9XJ-4798-57HX

Vulnerability from github – Published: 2022-04-30 00:00 – Updated: 2026-07-05 03:30
VLAI
Details

Wondershare Dr. Fone Latest version as of 2021-12-06 is vulnerable to Incorrect Access Control. A normal user can send manually crafted packets to the ElevationService.exe and execute arbitrary code without any validation with SYSTEM privileges.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2021-44595"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-29T12:15:00Z",
    "severity": "HIGH"
  },
  "details": "Wondershare Dr. Fone Latest version as of 2021-12-06 is vulnerable to Incorrect Access Control. A normal user can send manually crafted packets to the ElevationService.exe and execute arbitrary code without any validation with SYSTEM privileges.",
  "id": "GHSA-h9xj-4798-57hx",
  "modified": "2026-07-05T03:30:48Z",
  "published": "2022-04-30T00:00:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44595"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/%40tomerp_77017/wondershell-a82372914f26"
    },
    {
      "type": "WEB",
      "url": "https://medium.com/@tomerp_77017/wondershell-a82372914f26"
    },
    {
      "type": "WEB",
      "url": "http://dr.com"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/167036/Wondershare-Dr.Fone-12.0.7-Privilege-Escalation.html"
    },
    {
      "type": "WEB",
      "url": "http://wondershare.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-H9XM-J4QG-FVPG

Vulnerability from github – Published: 2026-03-03 21:37 – Updated: 2026-03-30 13:46
VLAI
Summary
OpenClaw: Experimental apply_patch may bypass workspace-only checks in opt-in sandbox mounts (off by default)
Details

Summary

In some opt-in sandbox configurations, the experimental apply_patch tool did not consistently apply workspace-only checks to mounted paths (for example /agent/...).

Impact

This does not affect default installs.

Default posture: - agents.defaults.sandbox.mode=off (sandbox disabled by default) - tools.exec.applyPatch.enabled=false (experimental tool disabled by default)

This behavior applies only when all of the following are enabled/configured: - sandbox mode, - experimental apply_patch, - workspace-only expectations (tools.fs.workspaceOnly=true and/or tools.exec.applyPatch.workspaceOnly=true), - and writable mounts outside workspace.

Under that opt-in setup, apply_patch operations could target mounted paths outside the workspace root.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected published versions: <= 2026.2.22-2
  • Fixed in code on main: commit 6634030be31e1a1842967df046c2f2e47490e6bf
  • Patched release: 2026.2.23

Technical Details

In the sandbox path flow, apply_patch used sandbox.bridge.resolvePath(...) without applying the same workspace-root assertion used by other filesystem tools. The fix makes apply_patch follow the same workspace-only enforcement for sandbox-resolved paths (unless explicitly disabled with tools.exec.applyPatch.workspaceOnly=false).

Fix Commit(s)

  • 6634030be31e1a1842967df046c2f2e47490e6bf

Release Process Note

patched_versions is pre-set to the released version (2026.2.23). Patched in 2026.2.23 and published.

OpenClaw thanks @tdjackey for reporting.

Severity
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
7.6 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.2.23"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-32007"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-284",
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-03T21:37:11Z",
    "nvd_published_at": "2026-03-19T22:16:33Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nIn some opt-in sandbox configurations, the **experimental** `apply_patch` tool did not consistently apply workspace-only checks to mounted paths (for example `/agent/...`).\n\n### Impact\nThis does **not** affect default installs.\n\nDefault posture:\n- `agents.defaults.sandbox.mode=off` (sandbox disabled by default)\n- `tools.exec.applyPatch.enabled=false` (experimental tool disabled by default)\n\nThis behavior applies only when all of the following are enabled/configured:\n- sandbox mode,\n- experimental `apply_patch`,\n- workspace-only expectations (`tools.fs.workspaceOnly=true` and/or `tools.exec.applyPatch.workspaceOnly=true`),\n- and writable mounts outside workspace.\n\nUnder that opt-in setup, `apply_patch` operations could target mounted paths outside the workspace root.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected published versions: `\u003c= 2026.2.22-2`\n- Fixed in code on `main`: commit `6634030be31e1a1842967df046c2f2e47490e6bf`\n- Patched release: `2026.2.23`\n\n### Technical Details\nIn the sandbox path flow, `apply_patch` used `sandbox.bridge.resolvePath(...)` without applying the same workspace-root assertion used by other filesystem tools. The fix makes `apply_patch` follow the same workspace-only enforcement for sandbox-resolved paths (unless explicitly disabled with `tools.exec.applyPatch.workspaceOnly=false`).\n\n### Fix Commit(s)\n- `6634030be31e1a1842967df046c2f2e47490e6bf`\n\n### Release Process Note\n`patched_versions` is pre-set to the released version (`2026.2.23`). Patched in `2026.2.23` and published.\n\nOpenClaw thanks @tdjackey for reporting.",
  "id": "GHSA-h9xm-j4qg-fvpg",
  "modified": "2026-03-30T13:46:57Z",
  "published": "2026-03-03T21:37:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-h9xm-j4qg-fvpg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32007"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/6634030be31e1a1842967df046c2f2e47490e6bf"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-sandbox-bypass-in-apply-patch-tool-via-workspace-only-check-bypass"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw: Experimental apply_patch may bypass workspace-only checks in opt-in sandbox mounts (off by default)"
}

GHSA-HC5H-PMR3-3497

Vulnerability from github – Published: 2026-03-31 23:50 – Updated: 2026-04-06 23:39
VLAI
Summary
OpenClaw: /pair approve command path omitted caller scope subsetting and reopened device pairing escalation
Details

Summary

The /pair approve command path called device approval without forwarding caller scopes into the core approval check.

Impact

A caller that held pairing privileges but not admin privileges could approve a pending device request asking for broader scopes, including admin access.

Affected Component

extensions/device-pair/index.ts, src/infra/device-pairing.ts

Fixed Versions

  • Affected: <= 2026.3.24
  • Patched: >= 2026.3.28
  • Latest stable 2026.3.28 contains the fix.

Fix

Fixed by commit 4ee4960de2 (Pairing: forward caller scopes during approval).

OpenClaw thanks @AntAISecurityLab for reporting.

Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2026.3.24"
      },
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.3.28"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33579"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-31T23:50:22Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "## Summary\n\nThe `/pair approve` command path called device approval without forwarding caller scopes into the core approval check.\n\n## Impact\n\nA caller that held pairing privileges but not admin privileges could approve a pending device request asking for broader scopes, including admin access.\n\n## Affected Component\n\n`extensions/device-pair/index.ts, src/infra/device-pairing.ts`\n\n## Fixed Versions\n\n- Affected: `\u003c= 2026.3.24`\n- Patched: `\u003e= 2026.3.28`\n- Latest stable `2026.3.28` contains the fix.\n\n## Fix\n\nFixed by commit `4ee4960de2` (`Pairing: forward caller scopes during approval`).\n\nOpenClaw thanks @AntAISecurityLab for reporting.",
  "id": "GHSA-hc5h-pmr3-3497",
  "modified": "2026-04-06T23:39:43Z",
  "published": "2026-03-31T23:50:22Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-hc5h-pmr3-3497"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33579"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/4ee4960de2330b5322127f925f3687dc6f105be1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-missing-caller-scope-validation-in-device-pair-approval"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw: /pair approve command path omitted caller scope subsetting and reopened device pairing escalation"
}

GHSA-HC5Q-26H8-R9WF

Vulnerability from github – Published: 2022-12-28 15:30 – Updated: 2023-01-10 15:43
VLAI
Summary
usememos/memos Improper Authorization vulnerability
Details

In usememos/memos 0.9.0 and prior, an unauthorized user can access any private memo by URL hacking a memo on the editing screen.

Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 0.9.0"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/usememos/memos"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-4811"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285",
      "CWE-639",
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-12-30T22:11:45Z",
    "nvd_published_at": "2022-12-28T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In usememos/memos 0.9.0 and prior, an unauthorized user can access any private memo by URL hacking a memo on the editing screen.",
  "id": "GHSA-hc5q-26h8-r9wf",
  "modified": "2023-01-10T15:43:56Z",
  "published": "2022-12-28T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-4811"
    },
    {
      "type": "WEB",
      "url": "https://github.com/usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/usememos/memos"
    },
    {
      "type": "WEB",
      "url": "https://huntr.dev/bounties/e907b754-4f33-46b6-9dd2-0d2223cb060c"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "usememos/memos Improper Authorization vulnerability"
}

GHSA-HC6Q-5PVQ-H8FF

Vulnerability from github – Published: 2024-12-27 12:30 – Updated: 2024-12-27 12:30
VLAI
Details

There is an improper authorization vulnerability in some Huawei smartphones. An attacker could perform a series of operation in specific mode to exploit this vulnerability. Successful exploit could allow the attacker to bypass app lock. (Vulnerability ID: HWPSIRT-2019-12144)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9081.

Severity
3.5 (Low)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2020-9081"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-12-27T10:15:10Z",
    "severity": "LOW"
  },
  "details": "There is an improper authorization vulnerability in some Huawei smartphones. An attacker could perform a series of operation in specific mode to exploit this vulnerability. Successful exploit could allow the attacker to bypass app lock. (Vulnerability ID: HWPSIRT-2019-12144)\n\n\n\nThis vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9081.",
  "id": "GHSA-hc6q-5pvq-h8ff",
  "modified": "2024-12-27T12:30:35Z",
  "published": "2024-12-27T12:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9081"
    },
    {
      "type": "WEB",
      "url": "https://www.huawei.com/en/psirt/security-advisories/2020/huawei-sa-20200826-15-smartphone-en"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-HC6V-386M-93PQ

Vulnerability from github – Published: 2025-05-30 15:30 – Updated: 2025-05-30 18:48
VLAI
Summary
Mattermost fails to properly enforce access controls for guest users
Details

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.

Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.6.0-rc1"
            },
            {
              "fixed": "10.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0-rc1"
            },
            {
              "fixed": "10.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0-rc1"
            },
            {
              "fixed": "9.11.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0-20250414110750-c23f44fe8ed0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-1792"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-30T18:48:20Z",
    "nvd_published_at": "2025-05-30T15:15:40Z",
    "severity": "LOW"
  },
  "details": "Mattermost versions 10.7.x \u003c= 10.7.0, 10.5.x \u003c= 10.5.3, 9.11.x \u003c= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.",
  "id": "GHSA-hc6v-386m-93pq",
  "modified": "2025-05-30T18:48:20Z",
  "published": "2025-05-30T15:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-1792"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mattermost/mattermost/commit/c23f44fe8ed02f71d506f99adc30ad34c58c89d1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost fails to properly enforce access controls for guest users"
}

GHSA-HCC7-MQ5F-P6FM

Vulnerability from github – Published: 2022-05-24 17:34 – Updated: 2022-05-24 17:34
VLAI
Details

Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.

Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2020-8278"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-11-19T01:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.",
  "id": "GHSA-hcc7-mq5f-p6fm",
  "modified": "2022-05-24T17:34:46Z",
  "published": "2022-05-24T17:34:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8278"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/921717"
    },
    {
      "type": "WEB",
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-042"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}
Mitigation
Architecture and Design
  • Divide the product into anonymous, normal, privileged, and administrative areas. Reduce the attack surface by carefully mapping roles with data and functionality. Use role-based access control (RBAC) [REF-229] to enforce the roles at the appropriate boundaries.
  • Note that this approach may not protect against horizontal authorization, i.e., it will not protect a user from attacking others with the same role.
Mitigation
Architecture and Design

Ensure that access control checks are performed related to the business logic. These checks may be different than the access control checks that are applied to more generic resources such as files, connections, processes, memory, and database records. For example, a database may restrict access for medical records to a specific database user, but each record might only be intended to be accessible to the patient and the patient's doctor [REF-7].

Mitigation MIT-4.4
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, consider using authorization frameworks such as the JAAS Authorization Framework [REF-233] and the OWASP ESAPI Access Control feature [REF-45].
Mitigation
Architecture and Design
  • For web applications, make sure that the access control mechanism is enforced correctly at the server side on every page. Users should not be able to access any unauthorized functionality or information by simply requesting direct access to that page.
  • One way to do this is to ensure that all pages containing sensitive information are not cached, and that all such pages restrict access to requests that are accompanied by an active and authenticated session token associated with a user who has the required permissions to access that page.
Mitigation
System Configuration Installation

Use the access control capabilities of your operating system and server environment and define your access control lists accordingly. Use a "default deny" policy when defining these ACLs.

No CAPEC attack patterns related to this CWE.

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