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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.

4217 vulnerabilities reference this CWE, most recent first.

CVE-2026-85638 (GCVE-0-2026-85638)

Vulnerability from cvelistv5 – Published: 2026-09-04 18:45 – Updated: 2026-09-11 20:37
VLAI
Title
jofpin trape user.py authorization
Summary
A weakness has been identified in jofpin trape 2.0. This affects an unknown part of the file core/user.py. This manipulation of the argument vId/id causes authorization bypass. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 20:03 UTC
CWE
References
URL Tags
https://vuldb.com/vuln/398786 vdb-entrytechnical-description
https://vuldb.com/vuln/398786/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-85638 third-party-advisory
https://vuldb.com/submit/895139 third-party-advisory
https://github.com/jofpin/trape/issues/407 exploitissue-tracking
https://github.com/jofpin/trape/ product
Impacted products
Vendor Product Version
jofpin trape Affected: 2.0
    cpe:2.3:a:jofpin:trape:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-85624 (GCVE-0-2026-85624)

Vulnerability from cvelistv5 – Published: 2026-09-04 14:32 – Updated: 2026-09-04 17:55
VLAI
Title
Blinko 1.8.7 Cross-User Private Note Disclosure via noteReferenceList
Summary
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SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:54 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
blinkospace blinko Affected: 0 , ≤ 1.8.8 (custom)
    cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-06 00:00
Show details on NVD website

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CVE-2026-85617 (GCVE-0-2026-85617)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:30 – Updated: 2026-09-14 19:33
VLAI
Title
snipe-it before 8.6.3 Authorization Bypass via Bulk Delete
Summary
snipe-it versions before 8.6.3 contain an authorization bypass vulnerability in the bulk delete functionality that allows restricted users to soft-delete users outside their authorized scope. Attackers can include unauthorized user IDs in bulk delete requests to bypass instance-level restrictions and modify or disable accounts they should not access.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 19:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
grokability snipe-it Affected: 0 , < 8.6.3 (semver)
Unaffected: 8.6.3 (semver)
    cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-11 00:00
Show details on NVD website

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CVE-2026-85616 (GCVE-0-2026-85616)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:30 – Updated: 2026-09-04 18:01
VLAI
Title
Snipe-IT before 8.6.2 Authorization Bypass via Checkout-Acceptance
Summary
Snipe-IT versions before 8.6.2 contain an authorization bypass vulnerability in checkout-acceptance report actions when Full Multiple Company Support is enabled. Authenticated users with reports.view permission can enumerate sequential acceptance IDs and soft-delete or trigger reminder emails for acceptances belonging to other companies by exploiting a null check on the legacy users.company_id column.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 18:01 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
grokability snipe-it Affected: 8.6.1 , < 8.6.2 (semver)
Unaffected: 8.6.2 (semver)
    cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-20 00:00
Credits
Show details on NVD website

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CVE-2026-85615 (GCVE-0-2026-85615)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:30 – Updated: 2026-09-10 15:09
VLAI
Title
Openpanel before 2.3.0 Cross-Tenant IDOR via report.getLayouts
Summary
Openpanel before 2.3.0 contains an insecure direct object reference vulnerability in the report.getLayouts and report.resetLayout tRPC procedures that fail to bind dashboardId to the authorized projectId. Authenticated attackers can supply an arbitrary victim dashboardId with their own projectId to read report layouts and configurations or delete dashboard grid arrangements across tenants.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:19 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
Openpanel-dev openpanel Affected: 0 , < 2.3.0 (semver)
Unaffected: 2.3.0 (semver)
    cpe:2.3:a:openpanel:openpanel:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-20 00:00
Show details on NVD website

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CVE-2026-85611 (GCVE-0-2026-85611)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:30 – Updated: 2026-09-04 18:02
VLAI
Title
OpenPanel before 2.3.0 Cross-Tenant BOLA via report procedures
Summary
OpenPanel before 2.3.0 contains a cross-tenant broken object level authorization vulnerability in the report.getLayouts and report.resetLayout tRPC procedures that fail to scope dashboard queries to the caller's project. Authenticated attackers can supply their own projectId with a victim organization's guessable dashboardId to read confidential report definitions or permanently delete dashboard layouts across tenant boundaries.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 18:02 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
Openpanel-dev openpanel Affected: 0 , < 2.3.0 (semver)
Unaffected: 2.3.0 (semver)
    cpe:2.3:a:openpanel:openpanel:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-20 00:00
Show details on NVD website

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CVE-2026-85607 (GCVE-0-2026-85607)

Vulnerability from cvelistv5 – Published: 2026-09-04 14:32 – Updated: 2026-09-08 16:52
VLAI
Title
Blinko 1.8.7 Cross-User AI Conversation Read and Write via message tRPC Router
Summary
Blinko 1.8.7 contains an authorization bypass (IDOR) vulnerability in multiple tRPC procedures (message.list, message.update, message.delete, message.clearAfter in server/routerTrpc/message.ts and conversation.clearMessages in server/routerTrpc/conversation.ts). Although these procedures require authentication, they query the database by caller-supplied conversation or message ID without verifying that the resource belongs to the requesting account. Any authenticated user can therefore read another user's full AI chat history, modify individual message content, and delete or wipe entire conversations by enumerating sequential integer IDs.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 16:51 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
blinkospace blinko Affected: 0 , ≤ 1.8.8 (custom)
    cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-06 00:00
Show details on NVD website

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CVE-2026-85594 (GCVE-0-2026-85594)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:29 – Updated: 2026-09-08 14:47
VLAI
Title
Traefik v3.7.1 crossProviderNamespaces Bypass via Service Middleware
Summary
Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its Service, and if that middleware injects backend credentials, recover them at a controlled backend.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:47 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
traefik traefik Affected: 3.7.1 , ≤ 3.7.12 (semver)
    cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-21 00:00
Show details on NVD website

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CVE-2026-85579 (GCVE-0-2026-85579)

Vulnerability from cvelistv5 – Published: 2026-09-04 11:29 – Updated: 2026-09-08 14:42
VLAI
Title
SiYuan before v3.8.2 Information Disclosure via undoState
Summary
SiYuan is affected by an information disclosure vulnerability (confirmed in v3.8.1, fixed in v3.8.2) in the reader-accessible POST /api/transactions/undoState endpoint. The endpoint returns the peekMutatedRootIDs list from the global undo-log stack for a caller-supplied root ID without applying publish-access visibility filtering. An authenticated reader who knows the root ID of a visible document can obtain the internal root IDs of other documents (including private or unpublished ones) modified in the same cross-document transaction, disclosing internal identifiers and cross-document relationships. Document body contents are not directly exposed.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 14:42 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
References
Impacted products
Vendor Product Version
siyuan-note siyuan Affected: 0 , < 3.8.2 (semver)
Unaffected: 3.8.2 (semver)
    cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-21 00:00
Show details on NVD website

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CVE-2026-85392 (GCVE-0-2026-85392)

Vulnerability from cvelistv5 – Published: 2026-09-03 18:54 – Updated: 2026-09-04 13:41
VLAI
Title
Peppermint through 0.5.5 Authorization Bypass on the User Logout Endpoint
Summary
Peppermint through 0.5.5 contains an authorization bypass vulnerability in the GET /api/v1/auth/user/:id/logout endpoint that allows authenticated attackers to delete sessions for any user by supplying arbitrary user IDs. Attackers can forcibly log out any user including administrators by calling the logout handler with another user's ID, since the endpoint performs no authorization checks to verify the caller owns the target account.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 13:26 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Impacted products
Vendor Product Version
Peppermint-Lab peppermint Affected: 0 , ≤ 0.5.5 (custom)
    cpe:2.3:a:peppermint:peppermint:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-06 00:00
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.