Common Weakness Enumeration
CWE-306
AllowedMissing Authentication for Critical Function
Abstraction: Base · Status: Draft
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
4060 vulnerabilities reference this CWE, most recent first.
GCVE-1337-2026-000000000… (CVE-2026-7415)
Vulnerability from gna-1337 – Published: 2026-05-07 16:11 – Updated: 2026-05-07 17:04
VLAI
EPSS
VEX
Title
Open MQTT orchestration without read/write ACLs in Yarbo robot firmware
Summary
The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 17:04 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Bin4ry/yarbo-nat-in-my-back-yard | third-party-advisory |
| https://takeonme.org/gcves/GCVE-1337-2026-0000000… | third-party-advisory |
Date Public
2026-05-07 16:00
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CVE-2026-82919 (GCVE-0-2026-82919)
Vulnerability from cvelistv5 – Published: 2026-08-31 21:00 – Updated: 2026-08-31 21:57
VLAI
EPSS
VEX
Title
cu silicon edit Endpoint views.py create_app missing authentication
Summary
A vulnerability was identified in cu silicon up to 0.1.5. Affected by this vulnerability is the function create_app of the file views.py of the component edit Endpoint. Such manipulation leads to missing authentication. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 21:36 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397299 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397299/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82919 | third-party-advisory |
| https://vuldb.com/submit/879029 | third-party-advisory |
Impacted products
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CVE-2026-82906 (GCVE-0-2026-82906)
Vulnerability from cvelistv5 – Published: 2026-08-31 20:00 – Updated: 2026-08-31 20:00
VLAI
EPSS
VEX
Title
sdcb chats Signed File Download Endpoint FileController.cs DownloadPublic missing authentication
Summary
A flaw has been found in sdcb chats up to 1.12.0. This impacts the function DownloadPublic of the file src/BE/web/Controllers/Chats/Files/FileController.cs of the component Signed File Download Endpoint. This manipulation causes missing authentication. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitability is said to be difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397286 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397286/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82906 | third-party-advisory |
| https://vuldb.com/submit/877767 | third-party-advisory |
| https://github.com/yaowenxiao721/Poc/blob/main/sd… | exploit |
Impacted products
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CVE-2026-82695 (GCVE-0-2026-82695)
Vulnerability from cvelistv5 – Published: 2026-08-31 12:45 – Updated: 2026-08-31 14:29
VLAI
EPSS
VEX
Title
Tenda AC18 Telnet telnet missing authentication
Summary
A security flaw has been discovered in Tenda AC18 15.03.05.19. Impacted is an unknown function of the file /goform/telnet of the component Telnet Handler. The manipulation results in missing authentication. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 14:27 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397183 | vdb-entry |
| https://vuldb.com/vuln/397183/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82695 | third-party-advisory |
| https://vuldb.com/submit/894242 | third-party-advisory |
| https://github.com/dxz0069/WAVLINK-WN530H4-Comman… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-82694 (GCVE-0-2026-82694)
Vulnerability from cvelistv5 – Published: 2026-08-31 12:30 – Updated: 2026-08-31 17:44
VLAI
EPSS
VEX
Title
Tenda AC1206 Web UI ate R7WebsSecurityHandler missing authentication
Summary
A vulnerability was identified in Tenda AC1206 15.03.06.23. This issue affects the function R7WebsSecurityHandler of the file /goform/ate of the component Web UI. The manipulation leads to missing authentication. The attack can be initiated remotely. The exploit is publicly available and might be used.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 17:44 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397182 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397182/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82694 | third-party-advisory |
| https://vuldb.com/submit/894241 | third-party-advisory |
| https://github.com/dxz0069/WAVLINK-WN530H4-Comman… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-82693 (GCVE-0-2026-82693)
Vulnerability from cvelistv5 – Published: 2026-08-31 12:15 – Updated: 2026-08-31 22:03
VLAI
EPSS
VEX
Title
Tenda AC1206 Web UI telnet TendaTelnet missing authentication
Summary
A vulnerability was determined in Tenda AC1206 15.03.06.23. This vulnerability affects the function TendaTelnet of the file /goform/telnet of the component Web UI. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 21:56 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397181 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397181/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82693 | third-party-advisory |
| https://vuldb.com/submit/894235 | third-party-advisory |
| https://github.com/dxz0069/WAVLINK-WN530H4-Comman… | exploit |
| https://www.tenda.com.cn/ | product |
Impacted products
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CVE-2026-82641 (GCVE-0-2026-82641)
Vulnerability from cvelistv5 – Published: 2026-08-30 13:23 – Updated: 2026-08-31 16:46
VLAI
EPSS
VEX
Title
keploy 3.1.0 through 3.6.25 Unauthenticated TLS Key Exposure
Summary
keploy versions 3.1.0 through 3.6.25 bind the agent control-plane HTTP server to all interfaces without authentication, exposing endpoints that stream TLS session keys and traffic data. Attackers can access the /agent/pcap/keylog endpoint to retrieve NSS keylog lines and decrypt recorded TLS traffic, or invoke /agent/stop and /agent/storemocks to manipulate recording sessions.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 16:46 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/keploy/keploy/issues/4394 | issue-tracking |
| https://github.com/keploy/keploy | product |
| https://github.com/keploy/keploy/blob/v3.6.25/pkg… | technical-description |
| https://github.com/keploy/keploy/commit/a6257d2b3… | patch |
| https://www.vulncheck.com/advisories/keploy-3.1.0… | third-party-advisory |
Impacted products
Date Public
2026-07-29 00:00
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CVE-2026-82473 (GCVE-0-2026-82473)
Vulnerability from cvelistv5 – Published: 2026-08-29 16:35 – Updated: 2026-08-31 17:11
VLAI
EPSS
VEX
Title
KubeEdge CloudCore through 1.23.1 Missing Authentication on Node Task Endpoints
Summary
KubeEdge CloudCore through 1.23.1 accepts node task status reports on its HTTPS server without authentication verification. Attackers can reach CloudCore on port 10002 to mark upgrade jobs as succeeded or failed, deceiving the control plane about node upgrade status and blocking further upgrade scheduling.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 17:11 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/kubeedge.md | technical-descriptionexploit |
| https://github.com/kubeedge/kubeedge/blob/v1.23.1… | technical-description |
| https://github.com/kubeedge/kubeedge/blob/v1.23.1… | technical-description |
| https://github.com/kubeedge/kubeedge | product |
| https://www.vulncheck.com/advisories/kubeedge-clo… | third-party-advisory |
Impacted products
Date Public
2026-08-28 00:00
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CVE-2026-82472 (GCVE-0-2026-82472)
Vulnerability from cvelistv5 – Published: 2026-08-29 16:35 – Updated: 2026-08-31 18:52
VLAI
EPSS
VEX
Title
Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf
Summary
Documenso before 2.13.0 accepts PDF file uploads on the /api/files/upload-pdf endpoint without requiring authentication, session tokens, or API credentials. Unauthenticated attackers can upload arbitrary PDF files indefinitely to exhaust storage resources or fill the database with unlinked document records.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 16:33 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/documenso/documenso/commit/4f3… | patch |
| https://github.com/documenso/documenso/blob/v2.12… | technical-description |
| https://github.com/documenso/documenso | product |
| https://www.vulncheck.com/advisories/documenso-be… | third-party-advisory |
Impacted products
Date Public
2026-06-18 00:00
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CVE-2026-82452 (GCVE-0-2026-82452)
Vulnerability from cvelistv5 – Published: 2026-08-29 13:47 – Updated: 2026-09-01 02:09
VLAI
EPSS
VEX
Title
rust-iot-platform Authentication Bypass via Missing Request Guards
Summary
rust-iot-platform through commit 5df942ab contains an authentication bypass vulnerability where most REST API routes lack authentication guards in their handler signatures. Unauthenticated attackers can create, update, list, retrieve, and delete user accounts by directly accessing unprotected endpoints without providing valid credentials.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 02:09 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/iot-ecology/rust-iot-platform/… | technical-description |
| https://github.com/iot-ecology/rust-iot-platform | product |
| https://www.vulncheck.com/advisories/rust-iot-pla… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| iot-ecology | rust-iot-platform |
Affected:
0 , ≤ 5df942ab6bc46a3bf83dbee8c7970554f92c972d
(git)
|
Date Public
2026-08-26 00:00
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Mitigation
Architecture and Design
- Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
- Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
- In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Architecture and Design
- Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
- In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
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 libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation
System Configuration
Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].
CAPEC-12: Choosing Message Identifier
This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.
CAPEC-166: Force the System to Reset Values
An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.
CAPEC-216: Communication Channel Manipulation
An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.
CAPEC-36: Using Unpublished Interfaces or Functionality
An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.
CAPEC-62: Cross Site Request Forgery
An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.