Common Weakness Enumeration

CWE-862

Allowed-with-Review

Missing Authorization

Abstraction: Class · Status: Incomplete

API response cwe.mitre.org

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

14539 vulnerabilities reference this CWE, most recent first.

CVE-2026-44555 (GCVE-0-2026-44555)

Vulnerability from cvelistv5 – Published: 2026-05-15 19:48 – Updated: 2026-05-15 20:21
VLAI
Title
Open WebUI: Base Model Routing Bypasses Access Control via Model Chaining
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, Open WebUI supports model composition via base_model_id: a user-defined model (e.g., "Cheap Assistant") can reference an existing base model (e.g., "gpt-4-turbo-restricted") that provides the actual inference capability. When a user queries the composed model, the access control pipeline verifies the user has access to the composed model but never re-verifies access to the chained base model. Additionally, the model creation and import endpoints accept arbitrary base_model_id values without checking that the caller has access to that base model. Combined, this allows any user with the default model creation permission to create a model that chains to a restricted base model — and then invoke it, causing the server to dispatch the request to the restricted base model using the admin-configured API key. This vulnerability is fixed in 0.9.0.
Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.0
Create a notification for this product.
Show details on NVD website
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CVE-2026-44554 (GCVE-0-2026-44554)

Vulnerability from cvelistv5 – Published: 2026-05-15 19:49 – Updated: 2026-05-15 21:09
VLAI
Title
Open WebUI: Knowledge Base Destruction and RAG Poisoning via Unauthorized Collection Overwrite
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the POST /api/v1/retrieval/process/web endpoint accepts a user-supplied collection_name and an overwrite query parameter (default: True). It performs no authorization check on whether the calling user owns or has write access to the target collection. When overwrite=True, save_docs_to_vector_db calls VECTOR_DB_CLIENT.delete_collection() on the target collection before writing new content. This vulnerability is fixed in 0.9.0.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44550 (GCVE-0-2026-44550)

Vulnerability from cvelistv5 – Published: 2026-05-15 20:00 – Updated: 2026-05-15 22:21
VLAI
Title
Open WebUI: Mass Assignment via Pydantic extra='allow' Allows Creating Folders in Other Users' Accounts
Summary
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, FolderForm uses model_config = ConfigDict(extra='allow'), which permits arbitrary fields to pass through Pydantic validation and be included in model_dump(exclude_unset=True). In insert_new_folder, the server-assigned user_id is placed at the start of the dict and then overwritten by the spread of form data. Because FolderModel declares user_id: str as a real field (not just a form extra), any attacker-supplied user_id in the POST body is accepted by the model and persisted on the Folder row. This vulnerability is fixed in 0.9.0.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: < 0.9.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44482 (GCVE-0-2026-44482)

Vulnerability from cvelistv5 – Published: 2026-05-14 14:51 – Updated: 2026-05-14 17:58
VLAI
Title
soundcloud-rpc: Remote Code Execution via XSS in Track Title
Summary
soundcloud-rpc is a SoundCloud Client with Discord Rich Presence, Dark Mode, Last.fm and AdBlock support. Prior to 0.1.8, a track title containing an HTML payload executed locally in the Electron app. This means attacker-controlled SoundCloud track metadata can lead to local command execution on the user's machine. The application exposes a preload API (window.soundcloudAPI.sendTrackUpdate) to the remote SoundCloud page. Track metadata from SoundCloud is trusted and forwarded through IPC into the Electron main process. The app later renders that metadata as raw HTML inside privileged Electron views that have Node.js integration enabled. This vulnerability is fixed in 0.1.8.
Severity
9.6 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-44448 (GCVE-0-2026-44448)

Vulnerability from cvelistv5 – Published: 2026-05-13 21:20 – Updated: 2026-05-14 12:41
VLAI
Title
ERPNext: Unauthorised Document modification due to missing validation
Summary
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to 15.102.0 and 16.11.0, certain endpoints failed to enforce proper authorization checks, allowing users to modify data beyond their permitted role. This vulnerability is fixed in 15.102.0 and 16.11.0.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
frappe erpnext Affected: >= 16.0.0-beta.1, < 16.11.0
Affected: < 15.102.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44442 (GCVE-0-2026-44442)

Vulnerability from cvelistv5 – Published: 2026-05-13 21:11 – Updated: 2026-05-14 19:52
VLAI
Title
ERPNext: Unauthorised Document modification due to missing validation
Summary
ERPNext is a free and open source Enterprise Resource Planning tool. Prior to 16.9.1, certain endpoints failed to enforce proper authorization checks, allowing users to modify data beyond their permitted role. This vulnerability is fixed in 16.9.1.
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 (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
frappe erpnext Affected: < 16.9.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44392 (GCVE-0-2026-44392)

Vulnerability from cvelistv5 – Published: 2026-05-20 05:28 – Updated: 2026-05-20 13:04
VLAI
Summary
Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.
Severity
4.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Six Apart Ltd. Movable Type Affected: 9.1.1 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Affected: 9.0.7 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Affected: 8.8.3 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Affected: 8.0.10 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Advanced Affected: 9.1.1 and earlie
Create a notification for this product.
Six Apart Ltd. Movable Type Advanced Affected: 9.0.7 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Advanced Affected: 8.8.3 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Advanced Affected: 8.0.10 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Premium Affected: 9.1.1 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Premium Affected: 9.0.7 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Premium Affected: 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier)
Create a notification for this product.
Six Apart Ltd. Movable Type Premium (Advanced Edition) Affected: 9.1.1 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Premium (Advanced Edition) Affected: 9.0.7 and earlier
Create a notification for this product.
Six Apart Ltd. Movable Type Premium (Advanced Edition) Affected: 2.15 and earlier (included in Movable Type 8.8.4 and earlier or Movable Type 8.0.11 and earlier)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44329 (GCVE-0-2026-44329)

Vulnerability from cvelistv5 – Published: 2026-05-27 15:38 – Updated: 2026-05-28 15:00
VLAI
Title
free5GC: SMF UPI management interface lacks auth middleware; unauthenticated topology read/write requests reach handlers
Summary
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without OAuth2/bearer-token authorization middleware. A network attacker who can reach SMF on the SBI can hit UPI endpoints with no Authorization header at all, and the requests reach the SMF business handlers. In the running Docker lab this was directly demonstrated for read (GET /upi/v1/upNodesLinks), write (POST /upi/v1/upNodesLinks with attacker-controlled UP-node and link payload), and delete (DELETE /upi/v1/upNodesLinks/{nodeID}) operations. This vulnerability is fixed in 4.2.2.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
free5gc free5gc Affected: < 4.2.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-44328 (GCVE-0-2026-44328)

Vulnerability from cvelistv5 – Published: 2026-05-27 15:39 – Updated: 2026-05-27 17:42
VLAI
Title
free5GC: SMF UPI DELETE /upi/v1/upNodesLinks/{ref} panics on AN-node deletion via nil UPF dereference; unauthenticated, state-mutating
Summary
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. On top of that, the DELETE /upi/v1/upNodesLinks/{upNodeRef} handler unconditionally dereferences upNode.UPF after the type-guarded async release, even though AN-typed nodes are constructed without a UPF object. As a result, a single unauthenticated DELETE /upi/v1/upNodesLinks/gNB1 request crashes the handler with a nil-pointer panic AND mutates the in-memory user-plane topology before panicking (the UpNodeDelete(upNodeRef) line runs first). This is an unauthenticated, state-mutating panic-DoS sink that an off-path network attacker can trigger by name against any AN entry. This vulnerability is fixed in 4.2.2.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-476 - NULL Pointer Dereference
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
free5gc free5gc Affected: < 4.2.2
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Show details on NVD website
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CVE-2026-44327 (GCVE-0-2026-44327)

Vulnerability from cvelistv5 – Published: 2026-05-27 15:40 – Updated: 2026-05-28 14:40
VLAI
Title
free5GC: NEF nnef-oam route group is unauthenticated; no-token requests reach the OAM handler
Summary
free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-oam route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can hit the OAM route with no Authorization header at all and the handler returns 200 OK. The current OAM handler is a stub that returns null, but the structural defect is route-group-scoped: the entire OAM route group has no inbound auth middleware, so every future OAM operation added to this group inherits the missing auth boundary by default. This vulnerability is fixed in 4.2.2.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
free5gc free5gc Affected: < 4.2.2
Create a notification for this product.
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.

CAPEC-665: Exploitation of Thunderbolt Protection Flaws

An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.

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