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.

9082 vulnerabilities reference this CWE, most recent first.

CVE-2026-70618 (GCVE-0-2026-70618)

Vulnerability from cvelistv5 – Published: 2026-08-05 19:57 – Updated: 2026-08-06 13:10 X_Open Source
VLAI
Title
Spacebar Server Missing Authorization via member-ids Endpoint
Summary
Spacebar Server before commit 51da17c contains a missing authorization vulnerability that allows any authenticated user to enumerate complete guild membership by querying the GET /guilds/{guild_id}/roles/{role_id}/member-ids endpoint without guild membership verification. Attackers can exploit the unprotected route handler in the roles member-ids endpoint, which lacks permission checks present in sibling endpoints, to retrieve the full list of member user IDs for any guild on the instance using only a valid bearer token and a known guild ID.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 13:09 UTC
CWE
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Spacebar Server Spacebar Server Affected: 0 , ≤ 51da17cf19d476483ee44e5f832d1ebdcd844f88 (git)
Create a notification for this product.
Date Public
2026-08-04 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-70617 (GCVE-0-2026-70617)

Vulnerability from cvelistv5 – Published: 2026-08-05 19:53 – Updated: 2026-08-06 18:07 X_Open Source
VLAI
Title
Spacebar Server Missing Authorization via Group DM Recipient Endpoint
Summary
Spacebar Server before commit dcfd910 contains a missing authorization vulnerability that allows any authenticated attacker to add themselves to arbitrary group DM channels by sending a PUT request to the channels recipient endpoint without membership verification. Attackers can exploit the unguarded PUT /channels/{channel_id}/recipients/{user_id} handler to join private group DMs, read complete message history, post messages as a participant, and force-add third-party users without their consent.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
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 2026-08-06 18:07 UTC
CWE
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Spacebar Server Spacebar Server Affected: 0 , ≤ dcfd91035e3da42abf5f32d8d86a35219225b3d4 (git)
Create a notification for this product.
Date Public
2026-08-04 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-70555 (GCVE-0-2026-70555)

Vulnerability from cvelistv5 – Published: 2026-11-09 18:24 – Updated: 2026-11-09 18:24 X_Open Source
VLAI
Title
rConfig Core 8.2.3 < 8.2.13 Cleartext Credential Exposure via API
Summary
rConfig Core 8.2.3 before 8.2.13 contains an information disclosure vulnerability that allows authenticated users to retrieve cleartext SSH, Telnet, and enable passwords for managed devices through the device-credentials API due to automatic decryption on read and missing authorization checks. Attackers can request GET /api/device-credentials, GET /api/device-credentials/{id}, or the external GET /api/v1/device-credentials endpoint, which authenticates any valid token as the seeded administrator account, to statelessly exfiltrate all stored plaintext device credentials. rConfig Pro is not affected.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
rConfig rConfig Affected: 8.2.3 , < 8.2.13 (semver)
    cpe:2.3:a:rconfig:rconfig:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-10 00:00
Credits
komi Sergio Hognaglo (manasse)
Show details on NVD website
To clipboard 

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CVE-2026-70550 (GCVE-0-2026-70550)

Vulnerability from cvelistv5 – Published: 2026-08-25 15:22 – Updated: 2026-08-26 19:47
VLAI
Title
Potential unauthorized access to private Composer repository metadata in JFrog Artifactory
Summary
An authorization weakness in JFrog Artifactory Composer repository handling may allow an authenticated user, under specific conditions, to read package metadata from repositories they are not authorized to read. The issue affects confidentiality and has been addressed in fixed Artifactory versions.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/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 2026-08-26 19:34 UTC
CWE
Assigner
JFROG CNA
References
Impacted products
Vendor Product Version
jfrog artifactory Affected: 7.161.0 , < 7.161.19 (custom)
Affected: 7.146.0 , < 7.146.29 (custom)
Create a notification for this product.
Credits
Khai Tran | OpenAI
Show details on NVD website
To clipboard 

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CVE-2026-70547 (GCVE-0-2026-70547)

Vulnerability from cvelistv5 – Published: 2026-08-12 15:18 – Updated: 2026-08-13 15:18
VLAI
Title
Potential unauthorized metadata exposure in JFrog Artifactory
Summary
An authenticated user without repository read permission may access package metadata under specific conditions.
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 2026-08-13 15:18 UTC
CWE
Assigner
JFROG CNA
References
Impacted products
Vendor Product Version
jfrog artifactory Affected: 7.161.0 , < 7.161.16 (custom)
Create a notification for this product.
Credits
Kostya Kortchinsky | OpenAI
Show details on NVD website
To clipboard 

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CVE-2026-70494 (GCVE-0-2026-70494)

Vulnerability from cvelistv5 – Published: 2026-08-04 20:58 – Updated: 2026-08-05 13:59
VLAI
Title
Open WebUI: A folder write-collaborator can permanently delete the owner's chats by deleting a shared subfolder
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.10.0 until 0.11.0, the DELETE /api/v1/folders/{id} handler in backend/open_webui/routers/folders.py allowed a user granted write access to a shared chat folder to permanently delete chats and messages belonging to the folder owner. The cascade following the authorization check is bound to the folder owner's id, but the subfolder check accepted any inherited write grant instead of requiring ownership or administrator status. A collaborator can destroy the owner's subtree or force-move chats out of it when delete_contents=false. This issue is fixed in 0.11.0.
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: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:59 UTC
CWE
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.10.0, < 0.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70487 (GCVE-0-2026-70487)

Vulnerability from cvelistv5 – Published: 2026-08-04 20:16 – Updated: 2026-08-05 14:46
VLAI
Title
Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.8.8 until 0.11.0, inline direct model metadata accepted client-supplied knowledge attachments without filtering them against the caller's read access. Any authenticated user who knew another user's file id could have the builtin knowledge tools return indexed chunks from that file, causing a read-only cross-user confidentiality loss while leaving knowledge-base permissions and saved workspace model validation unaffected. This issue is fixed in 0.11.0.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/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 2026-08-05 14:46 UTC
CWE
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.8.8, < 0.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70484 (GCVE-0-2026-70484)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:56 – Updated: 2026-08-05 14:48
VLAI
Title
Open WebUI: Users denied the image-generation permission can still generate images via chat completions
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.7.0 until 0.11.0, the legacy chat-completions features block trusted a client-supplied image_generation flag and did not re-check the features.image_generation permission that the direct image routes and native function-calling path enforce. An authenticated user whose image-generation permission had been revoked could still consume the operator's configured image provider through chat completions, spending API credits and provider quota and writing generated files to operator storage, without exposing provider credentials or other users' data. This issue is fixed in 0.11.0.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 14:48 UTC
CWE
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.7.0, < 0.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70483 (GCVE-0-2026-70483)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:54 – Updated: 2026-08-05 19:03
VLAI
Title
Open WebUI: Any authenticated user can cancel another user's chat generation via the chat delete endpoint
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 until 0.11.0, DELETE /api/v1/chats/{id} cancelled a chat's in-flight tasks before checking whether the caller could delete that chat. Any authenticated user who knew another user's chat id could abort that user's running model response, title generation, or tag generation, even though the delete was refused and no chat data was deleted, modified, or disclosed. This issue is fixed in 0.11.0.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 19:02 UTC
CWE
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.9.6, < 0.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-70481 (GCVE-0-2026-70481)

Vulnerability from cvelistv5 – Published: 2026-08-04 19:45 – Updated: 2026-08-05 14:29
VLAI
Title
Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages
Summary
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.5.0 until 0.11.0, the standard channel message update and delete handlers accepted any caller holding write access on the channel without checking that the caller wrote the message. Because write access is the same grant a member needs to post, any ordinary participant in a shared standard channel could rewrite or permanently delete another participant message, while group and direct message handlers enforced authorship. This issue is fixed in 0.11.0.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-05 13:37 UTC
CWE
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
open-webui open-webui Affected: >= 0.5.0, < 0.11.0
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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