Common Weakness Enumeration
CWE-863
Allowed-with-ReviewIncorrect Authorization
Abstraction: Class · Status: Incomplete
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.
7085 vulnerabilities reference this CWE, most recent first.
CVE-2026-16048 (GCVE-0-2026-16048)
Vulnerability from cvelistv5 – Published: 2026-08-17 14:22 – Updated: 2026-08-17 15:37
VLAI
EPSS
VEX
Title
Channel member roles accept out-of-scope roles
Summary
Mattermost versions 11.8.x <= 11.8.2, 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to restrict channel member role assignment to channel-scoped roles which allows a channel administrator to gain additional channel permissions via the channel member roles API.. Mattermost Advisory ID: MMSA-2026-00697
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:51 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.8.0 , ≤ 11.8.2
(semver)
Affected: 11.7.0 , ≤ 11.7.6 (semver) Affected: 10.11.0 , ≤ 10.11.21 (semver) Unaffected: 11.9.0 Unaffected: 11.8.3 Unaffected: 11.7.7 Unaffected: 10.11.22 |
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CVE-2026-16046 (GCVE-0-2026-16046)
Vulnerability from cvelistv5 – Published: 2026-08-17 14:24 – Updated: 2026-08-18 13:22
VLAI
EPSS
VEX
Title
Missing run-state validation on finished playbook runs
Summary
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to enforce run-state validation on write operations for finished playbook runs which allows a run participant to modify status, checklists, retrospective content, ownership, and participants on completed runs via REST and GraphQL API requests. Mattermost Advisory ID: MMSA-2026-00675
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:51 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.6
(semver)
Affected: 10.11.0 , ≤ 10.11.21 (semver) Unaffected: 11.9.0 Unaffected: 11.7.7 Unaffected: 10.11.22 |
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CVE-2026-16045 (GCVE-0-2026-16045)
Vulnerability from cvelistv5 – Published: 2026-08-17 14:26 – Updated: 2026-08-17 15:26
VLAI
EPSS
VEX
Title
Delegated OAuth tokens could revoke unrelated OAuth application authorizations
Summary
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 Mattermost failed to restrict OAuth deauthorization and personal access token management endpoints to direct user sessions, which allowed an OAuth app with a delegated user token to revoke the user's authorizations or tokens for other integrations via account-management endpoints.. Mattermost Advisory ID: MMSA-2026-00704
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:50 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.6
(semver)
Affected: 10.11.0 , ≤ 10.11.21 (semver) Unaffected: 11.9.0 Unaffected: 11.7.7 Unaffected: 10.11.22 |
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CVE-2026-16044 (GCVE-0-2026-16044)
Vulnerability from cvelistv5 – Published: 2026-08-17 14:26 – Updated: 2026-08-17 15:25
VLAI
EPSS
VEX
Title
Insufficient validation of guest board admin privileges on archive import
Summary
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21 fail to prevent guest users from receiving Board Admin privileges during board archive import which allows a board member to escalate a guest user to Board Admin via importing a crafted .boardarchive file. Mattermost Advisory ID: MMSA-2026-00672
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:50 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.6
(semver)
Affected: 10.11.0 , ≤ 10.11.21 (semver) Unaffected: 11.9.0 Unaffected: 11.7.7 Unaffected: 10.11.22 |
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CVE-2026-16017 (GCVE-0-2026-16017)
Vulnerability from cvelistv5 – Published: 2026-07-17 14:15 – Updated: 2026-07-17 17:27
VLAI
EPSS
VEX
Title
mosaxiv clawlet cron Chat Tool tool_cron.go remove authorization
Summary
A security flaw has been discovered in mosaxiv clawlet up to 0.2.10. Impacted is the function list/remove of the file tools/tool_cron.go of the component cron Chat Tool. The manipulation results in missing authorization. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed with the label "not planned".
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:27 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/379759 | vdb-entrytechnical-description |
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| https://vuldb.com/cve/CVE-2026-16017 | third-party-advisory |
| https://vuldb.com/submit/856824 | third-party-advisory |
| https://github.com/mosaxiv/clawlet/issues/17 | exploitissue-tracking |
| https://github.com/mosaxiv/clawlet/ | product |
Impacted products
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CVE-2026-15829 (GCVE-0-2026-15829)
Vulnerability from cvelistv5 – Published: 2026-07-21 16:39 – Updated: 2026-07-22 18:49
VLAI
EPSS
VEX
Title
SQL Injection and Security Boundary Bypass in googleapis/mcp-toolbox
Summary
A SQL injection (CWE-89) and security boundary bypass (CWE-863) vulnerability exists in the prebuilt BigQuery forecasting tool (bigquery-forecast) of googleapis/mcp-toolbox.
The tool accepts client-controlled parameters (data_col, timestamp_col, and id_cols) as plain strings and interpolates them unescaped via fmt.Sprintf directly into a generated AI.FORECAST table-valued SELECT statement. While MCP Toolbox utilizes an allowedDatasets mechanism to restrict queries, this defense only validates the history_data parameter; the final assembled query is executed without re-validation.
An attacker can break out of the string literal fields (such as timestamp_col) to inject a valid multi-statement or cross-dataset query block. This allows an unauthorized user to bypass the operator-configured allowedDatasets boundary and read arbitrary BigQuery tables.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 18:33 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MCP Toolbox for Databases (googleapis/mcp-toolbox) |
Affected:
0.13.0 , ≤ 1.3.0
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CVE-2026-15754 (GCVE-0-2026-15754)
Vulnerability from cvelistv5 – Published: 2026-08-17 14:36 – Updated: 2026-08-17 15:25
VLAI
EPSS
VEX
Title
Missing per-channel team-scope check in ABAC access control policy unassign allows cross-team policy removal
Summary
Mattermost versions 11.7.x <= 11.7.6, 11.8.x <= 11.8.3 The access control policy unassign endpoint fails to re-validate that each target channel still belongs to the requesting admin's team, which allows an authenticated team administrator to remove ABAC (attribute-based access control) policy assignments from channels outside their team via the policy unassign API after a channel has been moved to another team.. Mattermost Advisory ID: MMSA-2026-00718
Severity
4.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:50 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
11.7.0 , ≤ 11.7.6
(semver)
Affected: 11.8.0 , ≤ 11.8.3 (semver) Unaffected: 11.9.0 Unaffected: 11.7.7 Unaffected: 11.8.4 |
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CVE-2026-15752 (GCVE-0-2026-15752)
Vulnerability from cvelistv5 – Published: 2026-07-14 22:15 – Updated: 2026-07-15 12:40 X_Open Source
VLAI
EPSS
VEX
Title
zhinianboke xianyu-auto-reply Backend User Endpoint users authorization
Summary
A vulnerability was found in zhinianboke xianyu-auto-reply up to dcb445ad97816ad65299a7580ee0c8c8f929da84. Affected is an unknown function of the file /api/v1/users/ of the component Backend User Endpoint. Performing a manipulation results in missing authorization. The attack may be initiated remotely. The exploit has been made public and could be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The patch is named 19fc3282a1bb78a05c34945c088525d20e081cbd. Applying a patch is the recommended action to fix this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 12:40 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/378334 | vdb-entry |
| https://vuldb.com/vuln/378334/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15752 | third-party-advisory |
| https://vuldb.com/submit/856716 | third-party-advisory |
| https://github.com/zhinianboke/xianyu-auto-reply/… | exploitissue-tracking |
| https://github.com/zhinianboke/xianyu-auto-reply/… | patch |
| https://github.com/zhinianboke/xianyu-auto-reply/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zhinianboke | xianyu-auto-reply |
Affected:
dcb445ad97816ad65299a7580ee0c8c8f929da84
cpe:2.3:a:zhinianboke:xianyu-auto-reply:*:*:*:*:*:*:*:* |
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CVE-2026-15704 (GCVE-0-2026-15704)
Vulnerability from cvelistv5 – Published: 2026-07-24 07:41 – Updated: 2026-07-24 12:30
VLAI
EPSS
VEX
Title
CWE-863: ABAC authorization bypass via trailing slash route normalization in Eclipse BaSyx Go Components
Summary
In Eclipse BaSyx Go Components versions up to and including 1.0.0, ABAC-enabled deployments are vulnerable to an authorization bypass caused by inconsistent trailing-slash handling between the ABAC middleware and the HTTP router.
The shared router configuration used Chi's `middleware.StripSlashes`, so a request such as `GET /shells/` was dispatched to the registered `GET /shells` route. However, the ABAC middleware evaluated the original request path including the trailing slash. If ABAC route lookup did not find a matching slash-suffixed route, the request was passed onward and the router then stripped the slash and executed the protected handler without the intended ABAC authorization decision and without the expected ABAC query filters.
An unauthenticated or unauthorized network attacker could append a trailing slash to protected API routes to reach handlers that should have been denied by ABAC policy. Depending on the exposed component, HTTP method, and deployed policy, this could allow unauthorized read, create, update, delete, or upload operations.
The issue affects ABAC-enabled deployments of services that use the shared router and ABAC middleware, including AAS Repository, Submodel Repository, AAS Registry, Submodel Registry, Concept Description Repository, Discovery, AAS Environment upload, and related services. The issue is fixed in Eclipse BaSyx Go Components v1.0.1.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 12:30 UTC
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse BaSyx Go Components |
Affected:
0 , < 1.0.1
(semver)
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CVE-2026-15641 (GCVE-0-2026-15641)
Vulnerability from cvelistv5 – Published: 2026-07-14 18:09 – Updated: 2026-07-15 14:41
VLAI
EPSS
VEX
Summary
Improper authorization in the access request status endpoint in Devolutions Server 2026.2.11, 2026.1.22 allows an authenticated low-privileged user to approve their own pending access request via a direct call to the request status endpoint, bypassing the required approver review.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 14:41 UTC
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Devolutions | Server |
Affected:
0 , < 2026.1.23
(custom)
Affected: 0 , < 2026.2.12 (custom) |
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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.