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.
5504 vulnerabilities reference this CWE, most recent first.
CVE-2026-4273 (GCVE-0-2026-4273)
Vulnerability from cvelistv5 – Published: 2026-05-18 06:56 – Updated: 2026-05-18 14:34
VLAI
EPSS
VEX
Title
Insufficient token rotation validation in remote cluster invite confirmation
Summary
Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to validate that the RefreshedToken differs from the original invite token during remote cluster invite confirmation which allows an authenticated attacker to bypass token rotation and reuse the original invite token via sending a crafted invite confirmation with a RefreshedToken matching the original token. Mattermost Advisory ID: MMSA-2026-00575
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
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:
11.5.0 , ≤ 11.5.1
(semver)
Affected: 10.11.0 , ≤ 10.11.13 (semver) Unaffected: 11.6.0 Unaffected: 11.5.2 Unaffected: 10.11.14 |
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CVE-2026-4265 (GCVE-0-2026-4265)
Vulnerability from cvelistv5 – Published: 2026-03-16 12:07 – Updated: 2026-03-16 13:49
VLAI
EPSS
VEX
Title
Guest user can upload files without permission across teams
Summary
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to validate team-specific upload_file permissions which allows a guest user to post files in channels where they lack upload_file permission via uploading files in a team where they have permission and reusing the file metadata in a POST request to a different team. Mattermost Advisory ID: MMSA-2025-00553
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
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:
11.3.0 , ≤ 11.3.0
(semver)
Affected: 11.2.0 , ≤ 11.2.2 (semver) Affected: 10.11.0 , ≤ 10.11.10 (semver) Unaffected: 11.4.0 Unaffected: 11.3.1 Unaffected: 11.2.3 Unaffected: 10.11.11 |
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CVE-2026-4263 (GCVE-0-2026-4263)
Vulnerability from cvelistv5 – Published: 2026-03-26 09:12 – Updated: 2026-06-09 08:58
VLAI
EPSS
VEX
Title
Incorrect authorization in HiJiffy Chatbot
Summary
Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter
'visitor' in '/api/v1/webchat/message'.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HiJiffy | HiJiffy Chatbot |
Affected:
all versions
|
Date Public
2026-03-26 09:08
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CVE-2026-4262 (GCVE-0-2026-4262)
Vulnerability from cvelistv5 – Published: 2026-03-26 09:06 – Updated: 2026-06-09 08:58
VLAI
EPSS
VEX
Title
Incorrect authorization in HiJiffy Chatbot
Summary
Vulnerability of incorrect authorization in HiJiffy Chatbot allows an attacker to download private messages from other users via the parameter 'ID' in '/api/v1/download/<ID>/'.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HiJiffy | HiJiffy Chatbot |
Affected:
all versions
|
Date Public
2026-03-26 09:01
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CVE-2026-4055 (GCVE-0-2026-4055)
Vulnerability from cvelistv5 – Published: 2026-05-21 07:13 – Updated: 2026-05-21 12:39
VLAI
EPSS
VEX
Title
Insufficient permission validation on cross-team playbook run creation
Summary
Mattermost versions 11.5.x <= 11.5.1 fail to validate team-level run_create permission against the target team when creating a playbook run which allows an authenticated team member to create runs in teams where they lack permission via specifying a different team ID in the run creation API request. Mattermost Advisory ID: MMSA-2026-00629
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
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:
11.5.0 , ≤ 11.5.1
(semver)
Unaffected: 11.6.0 Unaffected: 11.5.2 Unaffected: 10.11.14 Unaffected: 11.4.4 |
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CVE-2026-3977 (GCVE-0-2026-3977)
Vulnerability from cvelistv5 – Published: 2026-03-12 03:02 – Updated: 2026-03-12 16:17 X_Open Source
VLAI
EPSS
VEX
Title
projectsend AJAX Endpoints authorization
Summary
A security vulnerability has been detected in projectsend up to r1945. The affected element is an unknown function of the component AJAX Endpoints. The manipulation leads to missing authorization. The attack can be initiated remotely. The identifier of the patch is 35dfd6f08f7d517709c77ee73e57367141107e6b. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.350412 | vdb-entry |
| https://vuldb.com/?ctiid.350412 | signaturepermissions-required |
| https://github.com/projectsend/projectsend/issues/1525 | issue-tracking |
| https://github.com/projectsend/projectsend/issues… | issue-tracking |
| https://github.com/projectsend/projectsend/commit… | patch |
| https://github.com/projectsend/projectsend/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | projectsend |
Affected:
r1945
cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:* |
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CVE-2026-3660 (GCVE-0-2026-3660)
Vulnerability from cvelistv5 – Published: 2026-05-26 18:23 – Updated: 2026-05-28 03:55
VLAI
EPSS
VEX
Title
IBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to Authentication Bypass
Summary
IBM Engineering Lifecycle Management 7.0.3, 7.1.0, and 7.2.0 could allow an unauthenticated remote attacker to update server property files that would allow them to gain unauthorized access to the application.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7274079 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Engineering Lifecycle Management |
Affected:
7.0.3 , ≤ Interim Fix 021
(semver)
Affected: 7.1.0 , ≤ Interim Fix 009 (semver) Affected: 7.2.0 , ≤ Interim Fix 001 (semver) cpe:2.3:a:ibm:engineering_lifecycle_management:7.0.3:ifix021:*:*:*:*:*:*:* cpe:2.3:a:ibm:engineering_lifecycle_management:7.1.0:ifix009:*:*:*:*:*:*:* cpe:2.3:a:ibm:engineering_lifecycle_management:7.2.0:ifix001:*:*:*:*:*:*:* |
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CVE-2026-3573 (GCVE-0-2026-3573)
Vulnerability from cvelistv5 – Published: 2026-03-26 20:10 – Updated: 2026-03-30 14:54
VLAI
EPSS
VEX
Title
AI (Artificial Intelligence) - Moderately critical - Information Disclosure - SA-CONTRIB-2026-028
Summary
Incorrect Authorization vulnerability in Drupal AI (Artificial Intelligence) allows Resource Injection.This issue affects AI (Artificial Intelligence): from 0.0.0 before 1.1.11, from 1.2.0 before 1.2.12.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Drupal | AI (Artificial Intelligence) |
Affected:
0.0.0 , < 1.1.11
(semver)
Affected: 1.2.0 , < 1.2.12 (semver) |
Date Public
2026-03-11 16:33
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CVE-2026-3553 (GCVE-0-2026-3553)
Vulnerability from cvelistv5 – Published: 2026-06-11 10:21 – Updated: 2026-06-11 12:28
VLAI
EPSS
VEX
Title
Incorrect Authorization in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/3578216 | technical-descriptionexploitpermissions-required |
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://about.gitlab.com/releases/2026/06/10/patc… |
Impacted products
Credits
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CVE-2026-3526 (GCVE-0-2026-3526)
Vulnerability from cvelistv5 – Published: 2026-03-26 20:02 – Updated: 2026-03-27 18:17
VLAI
EPSS
VEX
Title
File Access Fix (deprecated) - Moderately critical - Access bypass - SA-CONTRIB-2026-021
Summary
Incorrect Authorization vulnerability in Drupal File Access Fix (deprecated) allows Forceful Browsing.This issue affects File Access Fix (deprecated): from 0.0.0 before 1.2.0.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-863 - Incorrect Authorization
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Drupal | File Access Fix (deprecated) |
Affected:
0.0.0 , < 1.2.0
(semver)
|
Date Public
2026-03-04 17:56
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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.