Common Weakness Enumeration

CWE-863

Allowed-with-Review

Incorrect Authorization

Abstraction: Class · Status: Incomplete

API response cwe.mitre.org

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.

7624 vulnerabilities reference this CWE, most recent first.

CVE-2026-77438 (GCVE-0-2026-77438)

Vulnerability from cvelistv5 – Published: 2026-08-27 19:52 – Updated: 2026-08-28 15:35
VLAI
Title
Trilium unauthenticated share-search discloses password-protected and hidden shared notes
Summary
Trilium is an open-source hierarchical note-taking application. In versions up to and including 0.103.0, the public share-search endpoint does not enforce the per-note shareCredentials and shareHiddenFromTree controls, allowing an unauthenticated visitor to read the titles, tree paths, and content of protected shared notes. The endpoint authorizes only the ancestor note supplied in the request and then runs a full-text search across the entire published subtree, returning each matching note's title, share identifier, and hierarchical path without re-checking whether that individual note requires a share password or is hidden from the navigation tree. Because the search matches note content, an attacker can enumerate protected notes and use the endpoint as a boolean oracle that confirms arbitrary substrings, recovering the full contents of notes that should be gated behind a password. This issue is fixed in version 0.104.0.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:34 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
TriliumNext Trilium Affected: < 0.104.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77425 (GCVE-0-2026-77425)

Vulnerability from cvelistv5 – Published: 2026-09-22 20:28 – Updated: 2026-09-23 13:09
VLAI
Title
Unleash: A project member can reorder activation strategies belonging to any other project / environment (cross-project integrity write), bypassing project RBAC and the audit log
Summary
Unleash is an open-source feature management platform. Prior to 8.0.3, POST /api/admin/projects/:projectId/features/:featureName/environments/:environment/strategies/set-sort-order passes attacker-controlled strategy IDs to unprotectedUpdateStrategiesSortOrder and updateSortOrder without verifying that the IDs belong to the project, feature, and environment authorized by the URL. In a multi-project Pro or Enterprise deployment, an authenticated user with UPDATE_FEATURE_STRATEGY in one project who knows another project's strategy IDs can reorder those strategies, changing feature evaluation precedence while the operation is attributed to the attacker's URL context rather than the affected project. The single-project OSS edition lacks the cross-project dimension, although the missing context binding still permits unauthorized reordering across features or environments in the default project. The endpoint changes only sort_order and does not modify strategy parameters, constraints, or segments. This issue is fixed in version 8.0.3.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 13:08 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
Unleash unleash Affected: < 8.0.3
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77366 (GCVE-0-2026-77366)

Vulnerability from cvelistv5 – Published: 2026-10-12 17:54 – Updated: 2026-10-13 15:14
VLAI
Title
obsidian-tc tokens can access arbitrary configured vaults
Summary
obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, tool dispatch does not compare the caller-controlled input.vault value with the vault bound to the caller, the JSON Web Token (JWT) has no vault claim, and the folder access-control list is shared globally. Any valid token can therefore select another configured vault and read, write, or delete its contents through affected tools. Version 1.3.1 fixes the vulnerability by binding tokens and request context to a vault and rejecting mismatched input.vault values before scope checks.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:14 UTC
CWE
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-77362 (GCVE-0-2026-77362)

Vulnerability from cvelistv5 – Published: 2026-10-13 14:00 – Updated: 2026-10-13 14:50
VLAI
Title
obsidian-tc bridge tools expose data outside the read ACL
Summary
obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, bridge tools do not consistently apply the read access-control list (ACL) to every returned field. The tasks_filter tool exposes group counts derived from denied notes, makemd_query passes unfiltered sibling result fields through, and list_templates exposes template paths and parsed user-function bodies without a read-whitelist check. An authenticated caller can consequently infer or read data from notes outside the caller's read ACL. Version 1.3.1 fixes the vulnerability by filtering path-attributable fields and applying the read whitelist to list_templates.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 14:50 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-77361 (GCVE-0-2026-77361)

Vulnerability from cvelistv5 – Published: 2026-10-13 14:00 – Updated: 2026-10-16 21:58
VLAI
Title
obsidian-tc symlink path mismatch bypasses read ACL restrictions
Summary
obsidian-tc is a governed, agent-ready Model Context Protocol server for Obsidian vaults. Prior to 1.3.1, read access-control list (ACL) checks use a lexical vault-relative path while containment checks use the resolved path. An in-vault symlink under an allowed glob that resolves into a denied folder can therefore bypass the read ACL and expose files in the denied folder. Exploitation requires an out-of-band-planted symlink and does not permit an escape from the vault root. Version 1.3.1 fixes the vulnerability by applying ACL checks to the resolved vault-relative path.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 21:57 UTC
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-77317 (GCVE-0-2026-77317)

Vulnerability from cvelistv5 – Published: 2026-08-26 21:25 – Updated: 2026-08-29 02:53
VLAI
Title
SeaweedFS: SFTP path ACL literal prefix match permits cross-tenant file read and overwrite
Summary
SeaweedFS is a distributed storage system for files and blobs. In versions from 3.88 through 4.39, the SFTP server evaluates configured path permissions with a literal string-prefix comparison, so a user scoped to a path is also granted the same access to any sibling path whose name merely begins with the same characters. A user granted access to /tenants/alice therefore also matches /tenants/alice-archive, /tenants/alice2, and similar siblings, because the check does not require a path-component boundary. An authenticated low-privilege SFTP user with a root home directory and narrow path permissions can thereby cross the configured ACL boundary to read another tenant's files, and to overwrite them if granted write, all through the documented SFTP service with its own valid credentials. This issue is fixed in version 4.40.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-29 02:52 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
seaweedfs seaweedfs Affected: >= 3.88, < 4.40
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77298 (GCVE-0-2026-77298)

Vulnerability from cvelistv5 – Published: 2026-08-26 21:16 – Updated: 2026-08-27 14:17
VLAI
Title
SeaweedFS S3 OIDC Bearer authentication bypasses IAM role trust policy
Summary
SeaweedFS is a distributed storage system for files and blobs. In versions 4.39 and earlier, the S3 API accepts an external OIDC JWT sent directly in the Authorization header and maps it to an IAM role without enforcing that role's trust policy, so a federated user can assume a role they are not permitted to hold. The standard STS AssumeRoleWithWebIdentity path rejects such a token when the role's trust policy does not trust the token's federated provider, but the direct S3 bearer path validates only the token itself and then authenticates as the mapped role and evaluates that role's attached S3 permissions. As a result, a valid OIDC user whose token would be denied the role through STS can obtain the role's S3 access, including object read, write, and delete, by presenting the raw OIDC JWT directly to the S3 API. This issue is fixed in version 4.40
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:15 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
References
Impacted products
Vendor Product Version
seaweedfs seaweedfs Affected: < 4.40
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-77234 (GCVE-0-2026-77234)

Vulnerability from cvelistv5 – Published: 2026-08-21 17:40 – Updated: 2026-08-27 16:46
VLAI
Title
Improper input validation in FreeRTOS-Kernel timer command handling
Summary
Improper input validation in FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. To remediate this issue, users should upgrade to version 11.3.1 or later.
Severity
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
9.3 (Critical)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 16:06 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
AMZN CNA under the mitre root
CNA scorecard A 94/100 over 141 records in the last 180 days details
References
Impacted products
Vendor Product Version
FreeRTOS FreeRTOS-Kernel Affected: 7.0.0 , ≤ 11.3.0 (custom)
    cpe:2.3:a:freertos:freertos-kernel:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
NVIDIA
Show details on NVD website
To clipboard 

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CVE-2026-77226 (GCVE-0-2026-77226)

Vulnerability from cvelistv5 – Published: 2026-10-05 20:26 – Updated: 2026-10-07 17:08
VLAI
Title
Camunda 7.24.0 < 7.24.15 Incorrect Authorization via SetupResource Endpoint
Summary
Camunda 7.24.0 before 7.24.15 contains an incorrect authorization vulnerability in the Admin web application's first-run setup endpoint, where SetupResource incorrectly determines setup availability by counting only direct members of the camunda-admin group rather than recognizing all configured administrators. An unauthenticated remote attacker can exploit this logic flaw to call the setup user-create endpoint and create a new administrator account when the camunda-admin group is empty but the system is fully administered, resulting in account takeover and potential process deployment or script execution as the engine's service user.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:08 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6762 records in the last 180 days details
References
Impacted products
Vendor Product Version
Camunda Camunda 7 Affected: 7.24.0 , < 7.24.15 (semver)
Create a notification for this product.
Date Public
2026-09-15 00:00
Credits
CodeAnt AI Security Research Team VulnCheck
Show details on NVD website
To clipboard 

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CVE-2026-77181 (GCVE-0-2026-77181)

Vulnerability from cvelistv5 – Published: 2026-09-14 12:48 – Updated: 2026-09-14 19:15
VLAI
Title
Apache Syncope: ClientApp update entitlement not effective
Summary
Incorrect Authorization vulnerability in Apache Syncope. An administrator with ClientApp's update entitlement is unable to perform the related operation, while ClientApp's create entitlement is checked both for create and update operations on ClientApp. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 19:15 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1088 records in the last 180 days details
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Syncope Affected: 3.0.0-M0 , ≤ 3.0.16 (semver)
Affected: 4.0.0-M0 , ≤ 4.0.7 (semver)
Affected: 4.1.0-M0 , ≤ 4.1.2 (semver)
Create a notification for this product.
Credits
n0mi1k
Show details on NVD website
To clipboard 

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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.

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