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.
5491 vulnerabilities reference this CWE, most recent first.
CVE-2026-34600 (GCVE-0-2026-34600)
Vulnerability from cvelistv5 – Published: 2026-05-19 22:28 – Updated: 2026-05-20 14:10
VLAI
EPSS
VEX
Title
Joplin Server delta API returns note content after share access is revoked
Summary
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions 3.5.2 and prior contain a logic error in the delta API that allows share recipients to download notes that are no longer shared with them, related to but not fully fixed by the prior patch in #14289. In ChangeModel.delta, when DELTA_INCLUDES_ITEMS is enabled (the default), the latest state of items is attached to delta output without verifying that those items are still shared with the requesting user, and the existing removal logic only filters items deleted for all users. Additionally, the change compression logic incorrectly reduces create - delete to NOOP, which is unsafe because compression is applied per page and an item can have multiple create events; if an earlier create falls on a separate page from a later create -> delete pair, the deletion is dropped and the sequence collapses to a create. As a result, the delta API returns a create event for a deleted item with the full latest content attached, exposing notes the user no longer has access to. This issue has been fixed in version 3.5.3.
Severity
5.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/laurent22/joplin/security/advi… | x_refsource_CONFIRM |
| https://github.com/laurent22/joplin/issues/14110 | x_refsource_MISC |
| https://github.com/laurent22/joplin/pull/14289 | x_refsource_MISC |
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CVE-2026-34586 (GCVE-0-2026-34586)
Vulnerability from cvelistv5 – Published: 2026-03-31 20:27 – Updated: 2026-04-03 16:26
VLAI
EPSS
VEX
Title
PdfDing: Shared PDF Expiration, Max Views, and Deletion Bypass via Serve/Download Endpoints
Summary
PdfDing is a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. Prior to version 1.7.1, check_shared_access_allowed() validates only session existence — it does not check SharedPdf.inactive (expiration / max views) or SharedPdf.deleted. The Serve and Download endpoints rely solely on this function, allowing previously-authorized users to access shared PDF content after expiration, view limit, or soft-deletion. This issue has been patched in version 1.7.1.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/mrmn2/PdfDing/security/advisor… | x_refsource_CONFIRM |
| https://github.com/mrmn2/PdfDing/commit/a6783b259… | x_refsource_MISC |
| https://github.com/mrmn2/PdfDing/releases/tag/v1.7.1 | x_refsource_MISC |
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CVE-2026-34579 (GCVE-0-2026-34579)
Vulnerability from cvelistv5 – Published: 2026-05-19 22:06 – Updated: 2026-05-20 15:45
VLAI
EPSS
VEX
Title
MantisBT has an authorization bypass via private issue monitoring
Summary
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior are vulnerable to Authorization Bypass through the private issue monitoring feature . Using a crafted POST request to bug_monitor_add.php, a user with project-level access can add themselves as a monitor for a private issue they do not have access to. Despite displaying an Access Denied error, the application accepts the request and creates a monitor relationship for the private issue. Direct access to the private issue remains blocked, but the user will receive email notifications for updates, leading to disclosure of the private issue's metadata and content. This issue has been fixed in version 2.28.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/mantisbt/mantisbt/security/adv… | x_refsource_CONFIRM |
| https://github.com/mantisbt/mantisbt/commit/0a932… | x_refsource_MISC |
| https://mantisbt.org/bugs/view.php?id=36975 | x_refsource_MISC |
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CVE-2026-34532 (GCVE-0-2026-34532)
Vulnerability from cvelistv5 – Published: 2026-03-31 14:42 – Updated: 2026-03-31 17:21
VLAI
EPSS
VEX
Title
Parse Server: Cloud function validator bypass via prototype chain traversal
Summary
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.67 and 9.7.0-alpha.11, an attacker can bypass Cloud Function validator access controls by appending "prototype.constructor" to the function name in the URL. When a Cloud Function handler is declared using the function keyword and its validator is a plain object or arrow function, the trigger store traversal resolves the handler through its own prototype chain while the validator store fails to mirror this traversal, causing all access control enforcement to be skipped. This allows unauthenticated callers to invoke Cloud Functions that are meant to be protected by validators such as requireUser, requireMaster, or custom validation logic. This issue has been patched in versions 8.6.67 and 9.7.0-alpha.11.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/parse-community/parse-server/s… | x_refsource_CONFIRM |
| https://github.com/parse-community/parse-server/p… | x_refsource_MISC |
| https://github.com/parse-community/parse-server/p… | x_refsource_MISC |
| https://github.com/parse-community/parse-server/c… | x_refsource_MISC |
| https://github.com/parse-community/parse-server/c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| parse-community | parse-server |
Affected:
< 8.6.67
Affected: >= 9.0.0, < 9.7.0-alpha.11 |
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CVE-2026-34512 (GCVE-0-2026-34512)
Vulnerability from cvelistv5 – Published: 2026-04-09 21:26 – Updated: 2026-06-23 16:15 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.3.25 - Improper Access Control in /sessions/:sessionKey/kill Endpoint
Summary
OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions via the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/02cf1… | patch |
| https://www.vulncheck.com/advisories/openclaw-imp… | third-party-advisory |
Impacted products
Date Public
2026-03-26 00:00
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CVE-2026-34507 (GCVE-0-2026-34507)
Vulnerability from cvelistv5 – Published: 2026-05-29 15:09 – Updated: 2026-05-29 17:17 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.4.29 - Policy Bypass in QQBot Admin Commands via DM-only and allowFrom Checks
Summary
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Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-pol… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-34506 (GCVE-0-2026-34506)
Vulnerability from cvelistv5 – Published: 2026-03-31 11:17 – Updated: 2026-06-23 16:15
VLAI
EPSS
VEX
Title
OpenClaw < 2026.3.8 - Sender Allowlist Bypass in Microsoft Teams Plugin via Route Allowlist Configuration
Summary
OpenClaw before 2026.3.8 contains a sender allowlist bypass vulnerability in its Microsoft Teams plugin that allows unauthorized senders to bypass intended authorization checks. When a team/channel route allowlist is configured with an empty groupAllowFrom parameter, the message handler synthesizes wildcard sender authorization, permitting any sender in the matched team/channel to trigger replies in allowlisted Teams routes.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/88aee… | patch |
| https://www.vulncheck.com/advisories/openclaw-sen… | third-party-advisory |
Impacted products
Date Public
2026-03-11 00:00
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CVE-2026-34453 (GCVE-0-2026-34453)
Vulnerability from cvelistv5 – Published: 2026-03-31 21:43 – Updated: 2026-04-01 15:53
VLAI
EPSS
VEX
Title
SiYuan: Broken access control in /api/bookmark/getBookmark allows unauthenticated publish visitors to read password-protected bookmarked content
Summary
SiYuan is a personal knowledge management system. Prior to version 3.6.2, the publish service exposes bookmarked blocks from password-protected documents to unauthenticated visitors. In publish/read-only mode, /api/bookmark/getBookmark filters bookmark results by calling FilterBlocksByPublishAccess(nil, ...). Because the filter treats a nil context as authorized, it skips the publish password check and returns bookmarked blocks from documents configured as Protected. As a result, anyone who can access the publish service can retrieve content from protected documents without providing the required password, as long as at least one block in the document is bookmarked. This issue has been patched in version 3.6.2.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/siyuan-note/siyuan/security/ad… | x_refsource_CONFIRM |
| https://github.com/siyuan-note/siyuan/issues/17246 | x_refsource_MISC |
| https://github.com/siyuan-note/siyuan/releases/ta… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| siyuan-note | siyuan |
Affected:
< 3.6.2
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CVE-2026-34376 (GCVE-0-2026-34376)
Vulnerability from cvelistv5 – Published: 2026-04-01 17:05 – Updated: 2026-04-01 18:53
VLAI
EPSS
VEX
Title
PdfDing: Password-protected share bypass via direct serve endpoint
Summary
PdfDing is a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. Prior to version 1.7.0, an access-control vulnerability allows unauthenticated users to retrieve password-protected shared PDFs by directly calling the file-serving endpoint without completing the password verification flow. This results in unauthorized access to confidential documents that users expected to be protected by a shared-link password. This issue has been patched in version 1.7.0.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/mrmn2/PdfDing/security/advisor… | x_refsource_CONFIRM |
| https://github.com/mrmn2/PdfDing/pull/294 | x_refsource_MISC |
| https://github.com/mrmn2/PdfDing/commit/ae579ea98… | x_refsource_MISC |
| https://github.com/mrmn2/PdfDing/releases/tag/v1.7.0 | x_refsource_MISC |
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CVE-2026-34364 (GCVE-0-2026-34364)
Vulnerability from cvelistv5 – Published: 2026-03-27 18:11 – Updated: 2026-03-27 19:56
VLAI
EPSS
VEX
Title
AVideo has User Group-Based Category Access Control Bypass via Missing and Broken Group Filtering in categories.json.php
Summary
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `categories.json.php` endpoint, which serves the category listing API, fails to enforce user group-based access controls on categories. In the default request path (no `?user=` parameter), user group filtering is entirely skipped, exposing all non-private categories including those restricted to specific user groups. When the `?user=` parameter is supplied, a type confusion bug causes the filter to use the admin user's (user_id=1) group memberships instead of the current user's, rendering the filter ineffective. Commit 6e8a673eed07be5628d0b60fbfabd171f3ce74c9 contains a fix.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/WWBN/AVideo/commit/6e8a673eed0… | x_refsource_MISC |
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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.