Common Weakness Enumeration
CWE-639
AllowedAuthorization Bypass Through User-Controlled Key
Abstraction: Base · Status: Incomplete
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
3202 vulnerabilities reference this CWE, most recent first.
CVE-2026-41372 (GCVE-0-2026-41372)
Vulnerability from cvelistv5 – Published: 2026-04-27 23:24 – Updated: 2026-04-28 14:42 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.4.2 - Loopback Protection Bypass via Trailing-Dot Localhost in CDP Discovery
Summary
OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://github.com/openclaw/openclaw/commit/9c22d… | patch |
| https://www.vulncheck.com/advisories/openclaw-loo… | third-party-advisory |
Impacted products
Date Public
2026-04-02 00:00
Credits
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CVE-2026-41279 (GCVE-0-2026-41279)
Vulnerability from cvelistv5 – Published: 2026-04-23 19:53 – Updated: 2026-04-23 20:18
VLAI
EPSS
VEX
Title
Flowise: Unauthenticated TTS endpoint accepts arbitrary credential IDs — enables API credit abuse via stored credentials
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the text-to-speech generation endpoint (POST /api/v1/text-to-speech/generate) is whitelisted (no auth) and accepts a credentialId directly in the request body. When called without a chatflowId, the endpoint uses the provided credentialId to decrypt the stored credential (e.g., OpenAI or ElevenLabs API key) and generate speech. This vulnerability is fixed in 3.1.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
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CVE-2026-41277 (GCVE-0-2026-41277)
Vulnerability from cvelistv5 – Published: 2026-04-23 19:48 – Updated: 2026-04-25 01:31
VLAI
EPSS
VEX
Title
Flowise: Mass Assignment in DocumentStore Create Endpoint Leads to Cross-Workspace Object Takeover (IDOR)
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Mass Assignment vulnerability in the DocumentStore creation endpoint allows authenticated users to control the primary key (id) and internal state fields of DocumentStore entities. Because the service uses repository.save() with a client-supplied primary key, the POST create endpoint behaves as an implicit UPSERT operation. This enables overwriting existing DocumentStore objects. In multi-workspace or multi-tenant deployments, this can lead to cross-workspace object takeover and broken object-level authorization (IDOR), allowing an attacker to reassign or modify DocumentStore objects belonging to other workspaces. This vulnerability is fixed in 3.1.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
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CVE-2026-41267 (GCVE-0-2026-41267)
Vulnerability from cvelistv5 – Published: 2026-04-23 19:12 – Updated: 2026-04-23 19:44
VLAI
EPSS
VEX
Title
Flowise: Improper Mass Assignment in Account Registration Enables Unauthorized Organization Association
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, an improper mass assignment (JSON injection) vulnerability in the account registration endpoint of Flowise Cloud allows unauthenticated attackers to inject server-managed fields and nested objects during account creation. This enables client-controlled manipulation of ownership metadata, timestamps, organization association, and role mappings, breaking trust boundaries in a multi-tenant environment. This vulnerability is fixed in 3.1.0.
Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
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CVE-2026-41160 (GCVE-0-2026-41160)
Vulnerability from cvelistv5 – Published: 2026-05-28 16:24 – Updated: 2026-05-28 19:04
VLAI
EPSS
VEX
Title
EspoCRM: Broken Access Control / IDOR in Note Pinning API allows unauthorized modification of notes
Summary
EspoCRM is an open source customer relationship management application. Prior to 9.3.5, a business logic flaw (Broken Access Control) in EspoCRM 9.3.3 allows low-privileged users to pin arbitrary notes without having the required edit permissions for the parent object. Due to a "write first, authorize later" execution flaw in the backend API, even though the server correctly returns a 403 Forbidden error, the targeted note's pinned status is already persistently modified in the database. The root cause lies in the server-side processing of the POST /api/v1/Note/{id}/pin endpoint. In application/Espo/Tools/Stream/Api/PostNotePin.php, the process() method first calls getNote($id) before calling checkParent($note). This vulnerability is fixed in 9.3.5.
Severity
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
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CVE-2026-41141 (GCVE-0-2026-41141)
Vulnerability from cvelistv5 – Published: 2026-05-28 16:25 – Updated: 2026-05-28 18:54
VLAI
EPSS
VEX
Title
EspoCRM: IDOR in EmailTemplate Prepare Endpoint Leaks Entity Data via Email Address Lookup
Summary
EspoCRM is an open source customer relationship management application. Prior to 9.3.5, the POST /api/v1/EmailTemplate/:id/prepare endpoint accepts an emailAddress parameter and resolves the owning entity (Contact, Lead, Account, or User) without performing an ACL check. An authenticated user with EmailTemplate read permission can extract all field values of any entity by supplying the target's email address, bypassing read: own or read: team ACL restrictions. This vulnerability is fixed in 9.3.5.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/espocrm/espocrm/security/advis… | x_refsource_CONFIRM |
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CVE-2026-41127 (GCVE-0-2026-41127)
Vulnerability from cvelistv5 – Published: 2026-04-21 23:24 – Updated: 2026-04-22 13:12
VLAI
EPSS
VEX
Title
BigBlueButton's missing authorization allows viewer to inject/overwrite captions
Summary
BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bigbluebutton/bigbluebutton/se… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bigbluebutton | bigbluebutton |
Affected:
< 3.0.24
|
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CVE-2026-41084 (GCVE-0-2026-41084)
Vulnerability from cvelistv5 – Published: 2026-06-01 07:51 – Updated: 2026-06-02 16:43
VLAI
EPSS
VEX
Title
Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation
Summary
A bug in Apache Airflow's bulk Task Instances API (`PATCH/DELETE /api/v2/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances`) evaluated authorization against the `dag_id` resolved from the URL path while operating on the `dag_id` / `dag_run_id` extracted from request-body entity fields. An authenticated UI/API user with edit permission on one Dag could mutate Task Instance state in any other Dag by keeping the authorized Dag's ID in the URL path and naming the target Dag's IDs in the request body entities. Affects deployments that rely on per-Dag edit-scope to keep Task Instance state isolated between teams. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
3 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Airflow |
Affected:
3.2.0 , < 3.2.2
(semver)
|
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CVE-2026-40981 (GCVE-0-2026-40981)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:55 – Updated: 2026-07-15 01:00
VLAI
EPSS
VEX
Summary
When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the config server potentially exposing secrets from unintended GCP projects.
Spring Cloud Config 3.1.x: affected from 3.1.0 through 3.1.13 (inclusive); upgrade to 3.1.14 or greater (Enterprise Support Only). Spring Cloud Config 4.1.x: affected from 4.1.0 through 4.1.9 (inclusive); upgrade to 4.1.10 or greater (Enterprise Support Only). Spring Cloud Config 4.2.x: affected from 4.2.0 through 4.2.6 (inclusive); upgrade to 4.2.7 or greater (Enterprise Support Only). Spring Cloud Config 4.3.x: affected from 4.3.0 through 4.3.2 (inclusive); upgrade to 4.3.3 or greater. Spring Cloud Config 5.0.x: affected from 5.0.0 through 5.0.2 (inclusive); upgrade to 5.0.3 or greater.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://spring.io/security/cve-2026-40981 | |
| https://access.redhat.com/security/cve/CVE-2026-40981 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467621 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Spring | Spring Cloud Config |
Affected:
3.1.0 , < 3.1.14
(custom)
Affected: 4.1.0 , < 4.1.10 (custom) Affected: 4.2.0 , < 4.2.7 (custom) Affected: 4.3.0 , < 4.3.3 (custom) Affected: 5.0.0 , < 5.0.3 (custom) |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
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CVE-2026-40907 (GCVE-0-2026-40907)
Vulnerability from cvelistv5 – Published: 2026-04-21 19:50 – Updated: 2026-04-21 20:06
VLAI
EPSS
VEX
Title
WWBN AVideo has IDOR in Live Restreams list.json.php that Exposes Other Users' Stream Keys and OAuth Tokens
Summary
WWBN AVideo is an open source video platform. In versions 29.0 and prior, the endpoint `plugin/Live/view/Live_restreams/list.json.php` contains an Insecure Direct Object Reference (IDOR) vulnerability that allows any authenticated user with streaming permission to retrieve other users' live restream configurations, including third-party platform stream keys and OAuth tokens (access_token, refresh_token) for services like YouTube Live, Facebook Live, and Twitch. Commit d5992fff2811df4adad1d9fc7d0a5837b882aed7 fixes the issue.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/WWBN/AVideo/commit/d5992fff281… | x_refsource_MISC |
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Mitigation
Architecture and Design
For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
Mitigation
Architecture and Design
Implementation
Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
Mitigation
Architecture and Design
Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.
No CAPEC attack patterns related to this CWE.