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.
3450 vulnerabilities reference this CWE, most recent first.
CVE-2026-41477 (GCVE-0-2026-41477)
Vulnerability from cvelistv5 – Published: 2026-04-24 19:50 – Updated: 2026-04-28 03:55
VLAI
EPSS
VEX
Title
Deskflow: Local privilege escalation via unauthenticated IPC
Summary
Deskflow is a keyboard and mouse sharing app. In 1.20.0, 1.26.0.134, and earlier, Deskflow daemon runs as SYSTEM and exposes an IPC named pipe with WorldAccessOption enabled. The daemon processes privileged commands without authentication, allowing any local unprivileged user to execute arbitrary commands as SYSTEM. Affects both stable v1.20.0 + and Continuous v1.26.0.134 prerelease.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/deskflow/deskflow/security/adv… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-41473 (GCVE-0-2026-41473)
Vulnerability from cvelistv5 – Published: 2026-04-24 20:40 – Updated: 2026-07-14 20:00
VLAI
EPSS
VEX
Title
CyberPanel < 2.4.4 Unauthenticated API Access via AI Scanner Endpoints
Summary
CyberPanel versions prior to 2.4.4 contain an authentication bypass vulnerability in the AI Scanner worker API endpoints that allows unauthenticated remote attackers to write arbitrary data to the database by sending requests to the /api/ai-scanner/status-webhook and /api/ai-scanner/callback endpoints. Attackers can exploit the lack of authentication checks to cause denial of service through storage exhaustion, corrupt scan history records, and pollute database fields with malicious data.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://itsrez.re/post/cyberpanel-rce | technical-descriptionexploit |
| https://github.com/usmannasir/cyberpanel/commit/0… | patch |
| https://www.vulncheck.com/advisories/cyberpanel-u… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| usmannasir | cyberpanel |
Affected:
0 , < 2.4.4
(semver)
Unaffected: 0a099b1b193946555fbdd387a28486b1521f9961 (git) |
Date Public
2026-01-18 17:00
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CVE-2026-41273 (GCVE-0-2026-41273)
Vulnerability from cvelistv5 – Published: 2026-04-23 19:29 – Updated: 2026-04-24 18:20
VLAI
EPSS
VEX
Title
Flowise: Unauthenticated OAuth 2.0 Access Token Disclosure via Public Chatflow
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, Flowise contains an authentication bypass vulnerability that allows an unauthenticated attacker to obtain OAuth 2.0 access tokens associated with a public chatflow. By accessing a public chatflow configuration endpoint, an attacker can retrieve internal workflow data, including OAuth credential identifiers, which can then be used to refresh and obtain valid OAuth 2.0 access tokens without authentication. This vulnerability is fixed in 3.1.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/FlowiseAI/Flowise/security/adv… | x_refsource_CONFIRM |
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CVE-2026-41179 (GCVE-0-2026-41179)
Vulnerability from cvelistv5 – Published: 2026-04-23 00:03 – Updated: 2026-07-15 00:59
VLAI
EPSS
VEX
Title
RClone: Unauthenticated operations/fsinfo allows attacker-controlled backend instantiation and local command execution
Summary
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Starting in version 1.48.0 and prior to version 1.73.5, the RC endpoint `operations/fsinfo` is exposed without `AuthRequired: true` and accepts attacker-controlled `fs` input. Because `rc.GetFs(...)` supports inline backend definitions, an unauthenticated attacker can instantiate an attacker-controlled backend on demand. For the WebDAV backend, `bearer_token_command` is executed during backend initialization, making single-request unauthenticated local command execution possible on reachable RC deployments without global HTTP authentication. Version 1.73.5 patches the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/rclone/rclone/security/advisor… | x_refsource_CONFIRM |
| https://github.com/rclone/rclone/commit/2a9e952b3… | x_refsource_MISC |
| https://github.com/rclone/rclone/blob/bf55d5e6d37… | x_refsource_MISC |
| https://github.com/rclone/rclone/blob/bf55d5e6d37… | x_refsource_MISC |
| https://github.com/rclone/rclone/blob/bf55d5e6d37… | x_refsource_MISC |
| https://github.com/rclone/rclone/releases/tag/v1.73.5 | x_refsource_MISC |
| https://rclone.org/changelog/#v1-73-5-2026-04-19 | x_refsource_MISC |
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Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| rclone | rclone |
Affected:
>= 1.48.0, < 1.73.5
|
|
| Red Hat | OpenShift API for Data Protection |
cpe:/a:redhat:openshift_api_data_protection:1 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 |
cpe:/a:redhat:acm:2 |
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CVE-2026-41176 (GCVE-0-2026-41176)
Vulnerability from cvelistv5 – Published: 2026-04-22 23:57 – Updated: 2026-07-15 00:59
VLAI
EPSS
VEX
Title
Rclone: Unauthenticated options/set allows runtime auth bypass, leading to sensitive operations and command execution
Summary
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. The RC endpoint `options/set` is exposed without `AuthRequired: true`, but it can mutate global runtime configuration, including the RC option block itself. Starting in version 1.45.0 and prior to version 1.73.5, an unauthenticated attacker can set `rc.NoAuth=true`, which disables the authorization gate for many RC methods registered with `AuthRequired: true` on reachable RC servers that are started without global HTTP authentication. This can lead to unauthorized access to sensitive administrative functionality, including configuration and operational RC methods. Version 1.73.5 patches the issue.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/rclone/rclone/security/advisor… | x_refsource_CONFIRM |
| https://github.com/rclone/rclone/blob/bf55d5e6d37… | x_refsource_MISC |
| https://github.com/rclone/rclone/blob/bf55d5e6d37… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-41176 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2460989 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| rclone | rclone |
Affected:
>= 1.45.0, < 1.73.5
|
|
| Red Hat | OpenShift API for Data Protection |
cpe:/a:redhat:openshift_api_data_protection:1 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 |
cpe:/a:redhat:acm:2 |
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CVE-2026-41047 (GCVE-0-2026-41047)
Vulnerability from cvelistv5 – Published: 2026-06-22 15:25 – Updated: 2026-06-22 16:24
VLAI
EPSS
VEX
Title
Information leak via “diff” methods in qSnapper
Summary
Lack of authentication when using the "snapshot diff" functions in qSnapper before version 1.3.3 allowed a local attacker to see otherwise read protected information.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://security.opensuse.org/2026/05/26/qsnapper… | third-party-advisory |
| https://github.com/presire/qSnapper/releases/tag/v1.3.3 | vendor-advisory |
| https://bugzilla.suse.com/show_bug.cgi?id=1261890 | issue-tracking |
Date Public
2026-05-26 15:09
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CVE-2026-41039 (GCVE-0-2026-41039)
Vulnerability from cvelistv5 – Published: 2026-04-21 10:28 – Updated: 2026-04-21 13:13
VLAI
EPSS
VEX
Title
Information Disclosure Vulnerability in Quantum Networks Router QN-I-470
Summary
This vulnerability exists in Quantum Networks router due to improper access control and insecure default configuration in the web-based management interface. An unauthenticated attacker could exploit this vulnerability by accessing exposed API endpoints on the targeted device.
Successful exploitation of this vulnerability could allow the attacker to access sensitive information, including internal endpoints, scripts and directories on the targeted device.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cert-in.org.in/s2cMainServlet?pageid=… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Quantum Networks | Router QN-I-470 |
Affected:
at 6.1.1.B1
(custom)
|
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CVE-2026-40884 (GCVE-0-2026-40884)
Vulnerability from cvelistv5 – Published: 2026-04-21 19:39 – Updated: 2026-04-22 13:44
VLAI
EPSS
VEX
Title
goshs: Empty-username SFTP password authentication bypass in goshs
Summary
goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs contains an SFTP authentication bypass when the documented empty-username basic-auth syntax is used. If the server is started with -b ':pass' together with -sftp, goshs accepts that configuration but does not install any SFTP password handler. As a result, an unauthenticated network attacker can connect to the SFTP service and access files without a password. This vulnerability is fixed in 2.0.0-beta.6.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/patrickhener/goshs/security/ad… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| patrickhener | goshs |
Affected:
< 2.0.0-beta.6
|
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CVE-2026-40702 (GCVE-0-2026-40702)
Vulnerability from cvelistv5 – Published: 2026-06-25 20:59 – Updated: 2026-06-26 13:21
VLAI
EPSS
VEX
Title
EVoke Systems EVoke CSMS Missing Authentication for Critical Function
Summary
WebSocket endpoints lack proper authentication mechanisms, enabling attackers to impersonate charging stations. As a result, attackers can exploit this weakness to gain unauthorized access to sensitive data or perform unauthorized actions. Given that no authentication is required, this can lead to privilege escalation and potentially compromise the security of the entire system.
Severity
9.4 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EVoke | EVoke CSMS |
Affected:
All versions
(custom)
|
Date Public
2026-06-26 04:18
Credits
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CVE-2026-40620 (GCVE-0-2026-40620)
Vulnerability from cvelistv5 – Published: 2026-04-24 00:02 – Updated: 2026-04-24 13:09
VLAI
EPSS
VEX
Title
SenseLive X3050 Missing authentication for critical function
Summary
A vulnerability in SenseLive X3050’s embedded management service allows full administrative control to be established without any form of authentication or authorization on the SenseLive config application. The service accepts management connections from any reachable host, enabling unrestricted modification of critical configuration parameters, operational modes, and device state through a vendor-supplied or compatible client.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing authentication for critical function
Assigner
References
Date Public
2026-04-21 16:00
Credits
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"attackRequirements": "NONE",
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"baseScore": 9.3,
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"exploitMaturity": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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"url": "https://senselive.io/contact"
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"value": "SenseLive did not respond to CISA\u0027s requests to coordinate. Affected users are encouraged to reach out to SenseLive for more information. https://senselive.io/contact\u0026nbsp;"
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],
"value": "SenseLive did not respond to CISA\u0027s requests to coordinate. Affected users are encouraged to reach out to SenseLive for more information. https://senselive.io/contact"
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"source": {
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"discovery": "EXTERNAL"
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"title": "SenseLive X3050 Missing authentication for critical function",
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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.