Common Weakness Enumeration

CWE-863

Allowed-with-Review

Incorrect 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.

7106 vulnerabilities reference this CWE, most recent first.

CVE-2026-84464 (GCVE-0-2026-84464)

Vulnerability from cvelistv5 – Published: 2026-09-25 18:18 – Updated: 2026-09-25 19:03
VLAI
Title
Zammad: IDOR in External Data Source rendering exposes ticket, user, group, and organization data
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's External Data Source feature, used to look up records from an external system, did not properly verify whether a user was allowed to see a specific ticket, user, group, or organization before including its details in a request to that external system. An authenticated user, including one with only basic customer access, could exploit this by referencing another record's ID, and thereby view details of tickets, customer accounts, teams, or organizations that did not belong to them. This issue is fixed in version 7.1.2.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-25 19:03 UTC
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639 - Authorization Bypass Through User-Controlled Key
  • CWE-863 - Incorrect Authorization
References
Impacted products
Vendor Product Version
zammad zammad Affected: < 7.1.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-84399 (GCVE-0-2026-84399)

Vulnerability from cvelistv5 – Published: 2026-09-24 19:27 – Updated: 2026-09-24 19:35
VLAI
Title
Botslab G980H Dashcams Incorrect Authorization
Summary
The Botslab G980H dash camera firmware contains an authorization vulnerability in its session based command functionality. The product does not sufficiently associate an authenticated session with the client connection that established it, and subsequent privileged operations rely on possession of a valid session identifier without adequately validating the requesting client's authenticated context. An unauthenticated attacker with adjacent network access could potentially use valid session state associated with another client to access privileged functionality.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 19:35 UTC
CWE
Impacted products
Vendor Product Version
Botslab G980H Affected: 30010_QHG980HN5294SysFW+
Affected: 58_QHG980HMCN5291SysFW+
Create a notification for this product.
Date Public
2026-09-24 14:31
Show details on NVD website

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CVE-2026-84303 (GCVE-0-2026-84303)

Vulnerability from cvelistv5 – Published: 2026-09-01 18:14 – Updated: 2026-09-02 19:14
VLAI
Title
gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion
Summary
gRPC-Go is the Go language implementation of gRPC. Prior to 1.83.1, the xDS RBAC HTTP filter in internal/xds/httpfilter/rbac/rbac.go does not lowercase header matcher names in normalizeHeaderMatcher even though incoming metadata keys are lowercase. A DENY policy using a mixed-case name such as X-Role or User-Agent therefore does not match and fails open, allowing requests that should be rejected. The same case mismatch permits :Scheme or Grpc-Status to evade gRFC A41 validation and prevents Host from being rewritten to :authority. This issue is fixed in version 1.83.1.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 19:14 UTC
CWE
  • CWE-178 - Improper Handling of Case Sensitivity
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version
grpc grpc-go Affected: < 1.83.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-84206 (GCVE-0-2026-84206)

Vulnerability from cvelistv5 – Published: 2026-09-01 15:19 – Updated: 2026-09-04 02:02
VLAI
Title
Snipe-IT before 8.7.0 Authorization Bypass via Bulk Restore
Summary
Snipe-IT before 8.7.0 gates the bulk asset restore endpoint on the assets.edit permission instead of assets.delete, allowing users without delete rights to restore soft-deleted assets. Attackers with edit permissions can post asset identifiers to the bulk restore endpoint to undo administrator deletions and bypass intended permission separation.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 02:02 UTC
CWE
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version
grokability snipe-it Affected: 0 , < 8.7.0 (semver)
Unaffected: 8.7.0 (semver)
    cpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-20 00:00
Show details on NVD website

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CVE-2026-84173 (GCVE-0-2026-84173)

Vulnerability from cvelistv5 – Published: 2026-09-07 09:42 – Updated: 2026-09-08 15:03
VLAI
Summary
In Eclipse Ankaios versions v0.5.1 through v1.0.1, the agent-side Control Interface authorizer incorrectly evaluates multi-segment allow rules whose first path segment is a wildcard. An authenticated workload with access restricted by such a rule can submit a CompleteStateRequest or UpdateStateRequest with an empty field mask. The request may then be incorrectly authorized as matching the scoped rule, allowing the workload to read the complete cluster state or replace state outside its authorized subtree. This may result in unauthorized disclosure or modification of other workloads and cluster configuration. Only a rule consisting solely of * is intended to authorize an empty mask. Mitigation: Until an update containing the fix is installed, avoid multi-segment Control Interface allow-rule filter masks that begin with a wildcard, such as *.workloads.some_workload. Replace them with explicit paths such as desiredState.workloads.some_workload, where applicable. A filter mask consisting solely of * has different, intentionally unrestricted semantics and should only be used when full-state access is intended.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 15:03 UTC
CWE
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version
Eclipse Foundation Eclipse Ankaios Affected: 0.5.1 , ≤ 1.0.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-82920 (GCVE-0-2026-82920)

Vulnerability from cvelistv5 – Published: 2026-09-14 13:59 – Updated: 2026-09-14 19:23
VLAI
Title
Mattermost ABAC parent policy bypass via policy update endpoint
Summary
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7 fail to enforce authorization boundaries on the access control policy update endpoint which allows a channel or team administrator to detach a system-assigned ABAC parent policy via a crafted PUT /api/v4/access_control_policies request with an empty imports list.. Mattermost Advisory ID: MMSA-2026-00724
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 19:13 UTC
CWE
  • CWE-863 - Incorrect Authorization
References
URL Tags
https://mattermost.com/security-updates vendor-advisory
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 11.9.0 , ≤ 11.9.0 (semver)
Affected: 11.8.0 , ≤ 11.8.4 (semver)
Affected: 11.7.0 , ≤ 11.7.7 (semver)
Unaffected: 11.10.0
Unaffected: 11.9.1
Unaffected: 11.8.5
Unaffected: 11.7.8
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-82879 (GCVE-0-2026-82879)

Vulnerability from cvelistv5 – Published: 2026-08-31 10:51 – Updated: 2026-08-31 18:51
VLAI
Title
DataEase before 2.10.26 Access Control Bypass via Share Tickets
Summary
DataEase before 2.10.26 contains multiple access control defects in the sharing link module. Tickets are not bound to the target share UUID, so a valid ticket issued for one share can be reused against another (ShareTicketManage.validateTicket / POST /de2api/share/proxyInfo). The POST /de2api/share/validate endpoint issues a LinkToken after password verification without requiring a ticket, bypassing the 'ticket mandatory' policy. Additionally, the ticket create and delete endpoints (POST /de2api/ticket/saveTicket, POST /de2api/ticket/delTicket) lack share-ownership checks, allowing an authenticated user who knows another user's ticket to modify, rebind, or delete it (denial of service), and GET /de2api/share/queryRelationByUserId/{uid} allows authenticated users to enumerate other users' share mappings.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 16:23 UTC
CWE
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version
dataease dataease Affected: 0 , < 2.10.26 (semver)
Unaffected: 2.10.26 (semver)
    cpe:2.3:a:dataease:dataease:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-30 00:00
Credits
Show details on NVD website

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CVE-2026-82875 (GCVE-0-2026-82875)

Vulnerability from cvelistv5 – Published: 2026-08-31 08:46 – Updated: 2026-09-17 17:54
VLAI
Title
ToolJet before v3.16.208 Authorization Bypass via organizationId
Summary
ToolJet before v3.16.208 contains an authorization bypass vulnerability in TooljetDB controller endpoints that accept organizationId from URL path without verifying it matches the authenticated user's workspace. Authenticated users can enumerate, create, rename, and delete TooljetDB tables in any other workspace by manipulating the organizationId parameter in requests.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:45 UTC
CWE
  • CWE-863 - Incorrect Authorization
References
Impacted products
Vendor Product Version
ToolJet ToolJet Affected: 0 , < 3.16.208 (semver)
Unaffected: 3.16.208 (semver)
    cpe:2.3:a:tooljet:tooljet:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-07 00:00
Show details on NVD website

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CVE-2026-82828 (GCVE-0-2026-82828)

Vulnerability from cvelistv5 – Published: 2026-10-01 04:57 – Updated: 2026-10-01 15:46
VLAI
Title
Improper authorization may allow a general user to perform operations equivalent to those available with administrator privileges
Summary
Hitachi Coding Software Suite contains an Incorrect Authorization vulnerability that allows an unprivileged user to perform administrator-level operations. This issue affects Hitachi Coding Software Suite: through 3.3.0.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:46 UTC
CWE
  • CWE-863 - Incorrect Authorization
References
Impacted products
Show details on NVD website

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CVE-2026-82749 (GCVE-0-2026-82749)

Vulnerability from cvelistv5 – Published: 2026-09-01 03:54 – Updated: 2026-09-01 12:38
VLAI
Title
Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records
Summary
Incorrect Authorization vulnerability in ash-project ash widens a relationship's parent(...) scoping filter to match unintended records when the referenced parent field cannot be resolved. Loading a relationship whose filter references parent(...) resolves that expression against the parent record. resolve_parent_in_filter/3 (lib/ash/actions/read/relationships.ex) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to nil rather than failing. A scoping predicate such as org_id == parent(org_id) then becomes an IS NULL match, and a guard like is_nil(parent(org_id)) or org_id == parent(org_id) activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a parent(...) reference cannot be resolved, instead of defaulting to nil. This issue affects ash: from 3.13.2 before 3.32.2.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 12:37 UTC
CWE
  • CWE-863 - Incorrect Authorization
Impacted products
Vendor Product Version
ash-project ash Affected: 3.13.2 , < 3.32.2 (semver)
    cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*
Create a notification for this product.
ash-project ash Affected: 0ddff26e6e6bc6d182e1af2f98b431575e5b4179 , < e52dad2c39a35f6f043f7324d26e4f4e2551dfd2 (git)
    cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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              "value": "\u003cp\u003eIncorrect Authorization vulnerability in ash-project ash widens a relationship\u0027s \u003ccode\u003eparent(...)\u003c/code\u003e scoping filter to match unintended records when the referenced parent field cannot be resolved.\u003c/p\u003e\n\u003cp\u003eLoading a relationship whose filter references \u003ccode\u003eparent(...)\u003c/code\u003e resolves that expression against the parent record. \u003ccode\u003eresolve_parent_in_filter/3\u003c/code\u003e (\u003ccode\u003elib/ash/actions/read/relationships.ex\u003c/code\u003e) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to \u003ccode\u003enil\u003c/code\u003e rather than failing. A scoping predicate such as \u003ccode\u003eorg_id == parent(org_id)\u003c/code\u003e then becomes an \u003ccode\u003eIS NULL\u003c/code\u003e match, and a guard like \u003ccode\u003eis_nil(parent(org_id)) or org_id == parent(org_id)\u003c/code\u003e activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a \u003ccode\u003eparent(...)\u003c/code\u003e reference cannot be resolved, instead of defaulting to nil.\u003c/p\u003e\n\u003cp\u003eThis issue affects ash: from 3.13.2 before 3.32.2.\u003c/p\u003e"
            },
            {
              "base64": false,
              "type": "text/markdown",
              "value": "Incorrect Authorization vulnerability in ash-project ash widens a relationship\u0027s `parent(...)` scoping filter to match unintended records when the referenced parent field cannot be resolved.\n\nLoading a relationship whose filter references `parent(...)` resolves that expression against the parent record. `resolve_parent_in_filter/3` (`lib/ash/actions/read/relationships.ex`) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to `nil` rather than failing. A scoping predicate such as `org_id == parent(org_id)` then becomes an `IS NULL` match, and a guard like `is_nil(parent(org_id)) or org_id == parent(org_id)` activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a `parent(...)` reference cannot be resolved, instead of defaulting to nil.\n\nThis issue affects ash: from 3.13.2 before 3.32.2."
            }
          ],
          "value": "Incorrect Authorization vulnerability in ash-project ash widens a relationship\u0027s parent(...) scoping filter to match unintended records when the referenced parent field cannot be resolved.\n\nLoading a relationship whose filter references parent(...) resolves that expression against the parent record. resolve_parent_in_filter/3 (lib/ash/actions/read/relationships.ex) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to nil rather than failing. A scoping predicate such as org_id == parent(org_id) then becomes an IS NULL match, and a guard like is_nil(parent(org_id)) or org_id == parent(org_id) activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a parent(...) reference cannot be resolved, instead of defaulting to nil.\n\nThis issue affects ash: from 3.13.2 before 3.32.2."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-1",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863 Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-01T03:54:12.716Z",
        "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "shortName": "EEF"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory",
            "related"
          ],
          "url": "https://github.com/ash-project/ash/security/advisories/GHSA-j8fx-ff37-4j9c"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://cna.erlef.org/cves/CVE-2026-82749.html"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://osv.dev/vulnerability/EEF-CVE-2026-82749"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/ash-project/ash/commit/e52dad2c39a35f6f043f7324d26e4f4e2551dfd2"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "assignerShortName": "EEF",
    "cveId": "CVE-2026-82749",
    "datePublished": "2026-09-01T03:54:12.716Z",
    "dateReserved": "2026-08-31T01:00:09.774Z",
    "dateUpdated": "2026-09-01T12:38:27.534Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.