Common Weakness Enumeration
CWE-639
AllowedAuthorization 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.
3207 vulnerabilities reference this CWE, most recent first.
CVE-2026-55197 (GCVE-0-2026-55197)
Vulnerability from cvelistv5 – Published: 2026-06-17 17:59 – Updated: 2026-07-14 21:33 X_Open Source
VLAI
EPSS
VEX
Title
Hermes WebUI < 0.51.443 - Broken Access Control in /api/session Endpoint
Summary
Hermes WebUI before 0.51.443 contains a broken access control vulnerability in the /api/session endpoint that allows authenticated users to disclose cross-profile session transcripts. Attackers can bypass profile boundary checks by directly querying session IDs belonging to other profiles via GET /api/session?session_id=<foreign_id>&messages=1 to retrieve unauthorized conversation transcripts and metadata.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/nesquena/hermes-webui/releases… | release-notes |
| https://github.com/nesquena/hermes-webui/pull/3982 | issue-tracking |
| https://github.com/nesquena/hermes-webui/pull/4269 | issue-tracking |
| https://github.com/nesquena/hermes-webui/commit/2… | patch |
| https://www.vulncheck.com/advisories/hermes-webui… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nesquena | hermes-webui |
Affected:
0 , < 0.51.443
(semver)
Unaffected: 0.51.443 (semver) |
Date Public
2026-06-11 00:00
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CVE-2026-54839 (GCVE-0-2026-54839)
Vulnerability from cvelistv5 – Published: 2026-06-26 14:52 – Updated: 2026-06-26 17:06
VLAI
EPSS
VEX
Title
WordPress Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups plugin <= 2.0.9 - Sensitive Data Exposure vulnerability
Summary
Unauthenticated Sensitive Data Exposure in Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups <= 2.0.9 versions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
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1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kingaddons | Trinity Backup – Backup, Migrate, Restore, Clone & Schedule Backups |
Affected:
n/a , ≤ 2.0.9
(custom)
|
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CVE-2026-54826 (GCVE-0-2026-54826)
Vulnerability from cvelistv5 – Published: 2026-06-26 14:52 – Updated: 2026-06-29 17:38
VLAI
EPSS
VEX
Title
WordPress SupportCandy plugin <= 3.4.6 - Insecure Direct Object References (IDOR) vulnerability
Summary
Subscriber Insecure Direct Object References (IDOR) in SupportCandy <= 3.4.6 versions.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PSM Plugins | SupportCandy |
Affected:
n/a , ≤ 3.4.6
(custom)
|
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CVE-2026-54602 (GCVE-0-2026-54602)
Vulnerability from cvelistv5 – Published: 2026-07-07 21:24 – Updated: 2026-07-08 13:47
VLAI
EPSS
VEX
Title
FastGPT: Cross-team LLM request/response disclosure (IDOR) via /api/core/ai/record/getRecord
Summary
FastGPT is a knowledge-based AI application platform. Prior to 4.15.0, GET /api/core/ai/record/getRecord authenticates the caller but loads LLM request and response traces only by requestId without team scoping, allowing any authenticated user to read another team's prompts, retrieved RAG chunks, and completions if the requestId is known. This issue is fixed in version 4.15.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/labring/FastGPT/security/advis… | x_refsource_CONFIRM |
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CVE-2026-54590 (GCVE-0-2026-54590)
Vulnerability from cvelistv5 – Published: 2026-07-08 20:36 – Updated: 2026-07-10 15:00
VLAI
EPSS
VEX
Title
AsyncSSH AuthorizedKeysFile username substitution bypass through ~ and environment expansion
Summary
AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Version 2.23.0 contains an incomplete fix for CVE-2026-45309 in SSHServerConfig._set_tokens that blocks /, , and .. before %u substitution in AuthorizedKeysFile but does not block a leading ~ or ${ENV}, allowing later expansion in _expand_val and Path(filename).expanduser() to escape the intended authorized-keys directory. This issue is fixed in version 2.23.1.
Severity
5.9 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/ronf/asyncssh/security/advisor… | x_refsource_CONFIRM |
| https://github.com/ronf/asyncssh/commit/3d515ba9b… | x_refsource_MISC |
| https://github.com/ronf/asyncssh/releases/tag/v2.23.1 | x_refsource_MISC |
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CVE-2026-54361 (GCVE-0-2026-54361)
Vulnerability from cvelistv5 – Published: 2026-06-12 19:59 – Updated: 2026-06-15 18:20
VLAI
EPSS
VEX
Title
MISP mass assignment vulnerabilities allow unauthorized modification of ownership and delegation records
Summary
MISP contained multiple mass assignment vulnerabilities in the handling of collections, tag collections, event delegations, and shadow attributes. Several controller actions accepted user-supplied fields that should have remained server-controlled, including record identifiers and ownership-related fields such as id, org_id, orgc_id, and user_id.
An authenticated attacker with access to the affected endpoints could craft requests containing protected fields in order to alter object ownership, redirect an update to another record, overwrite existing event delegation requests, or modify shadow attribute proposals belonging to another organization. This could result in unauthorized modification of MISP objects and, depending on object visibility and sharing configuration, unauthorized access to or transfer of sensitive threat intelligence data.
The issue was fixed by explicitly pinning ownership and identity fields to their stored values during edit operations and by removing user-supplied primary keys from create-only save paths.
Affected components:
* CollectionsController::edit()
* EventDelegationsController::delegateEvent()
* ShadowAttributesController::edit()
* TagCollectionsController::edit()915
* TagCollectionsController::editWithTags()
Attack requirements:
The attacker must be authenticated and able to reach the affected MISP endpoints. No user interaction is required.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/9341690e9b6dd… | patch |
Credits
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CVE-2026-54360 (GCVE-0-2026-54360)
Vulnerability from cvelistv5 – Published: 2026-06-12 19:51 – Updated: 2026-06-15 18:19
VLAI
EPSS
VEX
Title
MISP sharing group creation mass assignment allows unauthorized takeover of existing sharing groups
Summary
A mass assignment vulnerability exists in MISP’s sharing group creation endpoint. When creating a new sharing group, the controller did not remove a user-supplied id field before saving the submitted data. In CakePHP, supplying a primary key in the save data can cause a create() followed by save() operation to update an existing record instead of creating a new one.
An authenticated user with permission to add sharing groups could therefore submit the identifier of an existing sharing group and modify that sharing group without passing the normal edit access-control checks. This may allow the attacker to take over or alter sharing groups they do not otherwise have access to, potentially affecting the confidentiality and integrity of information shared through those groups.
Affected component:
app/Controller/SharingGroupsController.php, add() action
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/687e7cb530ae0… | patch |
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CVE-2026-54357 (GCVE-0-2026-54357)
Vulnerability from cvelistv5 – Published: 2026-06-12 19:25 – Updated: 2026-06-12 20:05
VLAI
EPSS
VEX
Title
MISP improper authorization allows organization administrators to modify site administrator user settings
Summary
An improper authorization vulnerability in MISP allowed an authenticated organization administrator to access or modify user settings belonging to site administrator accounts within the same organization. The affected access-control checks scoped administrative actions by organization membership but did not exclude higher-privileged site administrator users. As a result, an organization administrator could potentially view or alter site administrator user settings and related login profile information, crossing the intended privilege boundary between organization administration and site-wide administration.
The patch hardens the ACL logic by excluding site administrator accounts from organization administrator–managed user sets, adding explicit authorization failure when a target user is not administrable, and ensuring user setting and login profile operations fail closed.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/MISP/MISP/commit/ed3d9b862dea4… | patch |
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CVE-2026-54324 (GCVE-0-2026-54324)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:07 – Updated: 2026-06-25 12:42
VLAI
EPSS
VEX
Title
Daytona: Cross-tenant data leak in notification WebSocket gateway via unverified organizationId join
Summary
Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, a cross-tenant authorization flaw in Daytona's notification WebSocket gateway allowed any authenticated user to subscribe to another organization's realtime notification channel and passively receive that organization's events. This vulnerability is fixed in 0.185.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/daytonaio/daytona/security/adv… | x_refsource_CONFIRM |
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CVE-2026-54322 (GCVE-0-2026-54322)
Vulnerability from cvelistv5 – Published: 2026-06-23 18:07 – Updated: 2026-06-23 18:56
VLAI
EPSS
VEX
Title
Daytona: Cross-org IDOR in organization role update/delete — any org owner can rewrite or destroy another org's roles
Summary
Daytona is a secure and elastic infrastructure runtime for AI-generated code execution and agent workflows. Prior to 0.185.0, Daytona's organization role update and delete endpoints authorized the caller as an owner of the organization named in the request path, but resolved and mutated the target role by its identifier alone, without verifying the role belonged to that organization. An authenticated user who owns any organization (organizations are self-service) could therefore modify the permissions of, or delete, a role belonging to a different organization, given that role's identifier. This vulnerability is fixed in 0.185.0.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
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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.