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Common Weakness Enumeration

CWE-639

Allowed

Authorization Bypass Through User-Controlled Key

Abstraction: Base · Status: Incomplete

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

4002 vulnerabilities reference this CWE, most recent first.

CVE-2026-53620 (GCVE-0-2026-53620)

Vulnerability from cvelistv5 – Published: 2026-08-31 06:31 – Updated: 2026-08-31 15:37
VLAI
Summary
GROWI contains a vulnerability with an authorization bypass through user-controlled key in the bookmark folder APIs. If this vulnerability is exploited, an authenticated attacker could retrieve, tamper with, and/or delete the other user's bookmark data.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 15:36 UTC
CWE
  • CWE-639 - Authorization bypass through user-controlled key
Impacted products
Vendor Product Version
GROWI, Inc. GROWI Affected: 0 , ≤ v8.0.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-53552 (GCVE-0-2026-53552)

Vulnerability from cvelistv5 – Published: 2026-08-31 18:46 – Updated: 2026-09-01 14:59
VLAI
Title
Goploy: Cross-namespace IDOR and RCE via body-supplied row id in project and project_file handlers
Summary
Goploy is an open-source automation deployment system. In versions 1.17.5 and prior, Project.AddFile, Project.EditFile, Project.RemoveFile, and Project.Edit in cmd/server/api/project/handler.go accept a project or project-file row id from the JSON body and act on it without checking that the project belongs to the caller's namespace. The corresponding model.ProjectFile.GetData and model.Project.GetData queries filter only by row id. A user holding the manager role (or any role that includes the FileSync / EditProject permission) in their own namespace can read, write, or delete files in any project across the install, and can rewrite any project's git remote URL by submitting the foreign id in the body. The git-URL primitive escalates to RCE on the next deploy because Edit runs git remote set-url on the project's working tree. At time of publication, there are no known publicly available patches.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 14:16 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
References
Impacted products
Vendor Product Version
zhenorzz goploy Affected: <= 1.17.5
Create a notification for this product.
Show details on NVD website

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CVE-2026-53548 (GCVE-0-2026-53548)

Vulnerability from cvelistv5 – Published: 2026-08-19 20:35 – Updated: 2026-08-21 18:16
VLAI
Title
Termix: IDOR — Authenticated user can fetch SSH passwords for hosts owned by other users
Summary
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to 2.6.1, the GET /host/db/host/:id/password endpoint in src/backend/database/routes/host.ts accepts an authenticated user's numeric host ID and the field=password or field=sudoPassword query without enforcing host ownership during credential resolution. A failed requester-scoped lookup can resolve the host with the owner's context and return the owner's plaintext credential, allowing any authenticated user with a valid JWT to enumerate sequential hosts.id values and retrieve SSH or sudo passwords belonging to other users. The disclosed credentials can then be used to access and control managed systems outside the Termix instance. This issue is fixed in version 2.6.1.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 18:15 UTC
CWE
  • CWE-285 - Improper Authorization
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
Termix-SSH Termix Affected: < 2.3.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-53546 (GCVE-0-2026-53546)

Vulnerability from cvelistv5 – Published: 2026-08-19 20:36 – Updated: 2026-08-20 19:36
VLAI
Title
Termix: Missing authorization in SSH host credential resolution exposes stored credentials
Summary
Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to 2.3.2, the terminal WebSocket accepts a user-controlled hostConfig.id and src/backend/ssh/host-resolver.ts resolves that host without requiring ownership or explicit access. When no credential is shared with the requester, resolveHostById performs an owner credential fallback, and src/backend/ssh/terminal.ts combines that credential with attacker-controlled ip, port, and username values. An authenticated low-privileged user can therefore make Termix authenticate to an attacker-controlled SSH server and disclose another user's stored SSH password or private-key material while the victim user's data key is unlocked. This issue is fixed in version 2.3.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 19:36 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Impacted products
Vendor Product Version
Termix-SSH Termix Affected: < 2.3.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-53536 (GCVE-0-2026-53536)

Vulnerability from cvelistv5 – Published: 2026-07-16 18:48 – Updated: 2026-07-18 03:06
VLAI
Title
Activepieces: Cross-tenant file download via missing JWT audience check on step-files signed URL
Summary
Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /v1/step-files/signed download endpoint verified the supplied JWT against the shared signing secret but did not check the token's audience, and combined with a missing null-check on the decoded fileId, this allowed any caller holding any valid Activepieces JWT (including a freshly created user's own access token) to receive a step-file belonging to another tenant. The file returned was whatever PostgreSQL happened to scan first for type = FLOW_STEP_FILE, varying over time as the database changed, so an authenticated user could obtain step-file attachments belonging to other tenants on the same instance; the attacker could not target a specific victim or file, and the access was read-only with no integrity or availability impact. This issue is fixed in version 0.83.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-18 03:06 UTC
CWE
  • CWE-345 - Insufficient Verification of Data Authenticity
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
activepieces activepieces Affected: < 0.83.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-53471 (GCVE-0-2026-53471)

Vulnerability from cvelistv5 – Published: 2026-06-10 13:55 – Updated: 2026-06-10 16:02
VLAI
Title
Migration-planner: agent api ignores jwt source_id claim
Summary
A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens (JWTs) for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the source_id claim within these tokens against the requested source ID. This oversight allows an authenticated attacker with a valid agent token to manipulate data across different tenants, leading to a complete collapse of tenant isolation. This could result in unauthorized overwriting of victim inventory, planting of malicious credential URLs, or corruption of migration assessments.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 16:02 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
Affected: 0 , < 0.13.5 (semver)
Date Public
2026-06-07 00:00
Show details on NVD website

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CVE-2026-53470 (GCVE-0-2026-53470)

Vulnerability from cvelistv5 – Published: 2026-06-10 13:55 – Updated: 2026-06-10 14:43
VLAI
Title
Migration-planner: getsourcedownloadurl missing organization check
Summary
A flaw was found in migration-planner. An authenticated attacker could exploit an improper access control vulnerability in the `/api/v1/sources/{id}/image-url` endpoint. This flaw allows the attacker to bypass an ownership check and obtain presigned S3 URLs for Open Virtual Appliance (OVA) images belonging to other users. Consequently, the attacker can download OVA images containing sensitive information, such as long-lived agent JSON Web Tokens (JWTs) and source configurations, potentially leading to unauthorized access and modification of the victim's source.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-10 14:43 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
Affected: 0 , < 0.13.5 (semver)
Date Public
2026-06-07 00:00
Show details on NVD website

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CVE-2026-53447 (GCVE-0-2026-53447)

Vulnerability from cvelistv5 – Published: 2026-07-15 21:12 – Updated: 2026-07-16 18:48
VLAI
Title
Wekan: `cloneBoard` Meteor method has no authorization check — any user can clone (read) any private board by ID
Summary
Wekan is open source kanban built with Meteor. Prior to 9.35, the Wekan cloneBoard Meteor method in models/import.js uses caller-supplied sourceBoardId to build a board export through models/exporter.js without invoking canExport() or checking source-board membership. Any authenticated user who knows a private board ID can clone the board into their own account and read its cards, comments, attachments, member information, and activities. This issue is fixed in version 9.35.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 18:47 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-862 - Missing Authorization
Impacted products
Vendor Product Version
wekan wekan Affected: < 9.35
Create a notification for this product.
Show details on NVD website

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CVE-2026-52869 (GCVE-0-2026-52869)

Vulnerability from cvelistv5 – Published: 2026-07-15 20:06 – Updated: 2026-07-16 13:00
VLAI
Title
MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal
Summary
The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol (MCP). Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamable_http_manager.StreamableHTTPSessionManager route requests to existing sessions using only the session_id query parameter or Mcp-Session-Id header without verifying the authenticated principal that created the session, allowing a different bearer-token-authenticated client with a known session ID to inject JSON-RPC messages into that session. This issue is fixed in version 1.27.2.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 13:00 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Show details on NVD website

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CVE-2026-52841 (GCVE-0-2026-52841)

Vulnerability from cvelistv5 – Published: 2026-07-14 15:27 – Updated: 2026-07-14 15:45
VLAI
Title
Easy!Appointments: Authorization bypass in Google OAuth provider binding lets any backend user rebind a peer provider's Google sync
Summary
Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, `Google::oauth` at `application/controllers/Google.php:278` stores its URL-supplied `provider_id` in the session, and `oauth_callback` saves the issued Google OAuth token against that row without checking the caller owns the provider. Any logged-in backend user (admin, provider, or secretary) rebinds a peer provider's Google sync to a Google account they control. The peer's appointments then sync into the attacker's calendar with each customer's name and email attached as attendee data. Version 1.6.0 patches the issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-14 15:45 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Show details on NVD website

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Mitigation
Architecture and Design

For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.

Mitigation
Architecture and Design Implementation

Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.

Mitigation
Architecture and Design

Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.

No CAPEC attack patterns related to this CWE.