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.
3458 vulnerabilities reference this CWE, most recent first.
CVE-2026-2624 (GCVE-0-2026-2624)
Vulnerability from cvelistv5 – Published: 2026-02-25 12:39 – Updated: 2026-06-06 07:53
VLAI
EPSS
VEX
Title
Authentication Bypass in ePati's Antikor NGFW
Summary
Missing Authentication for Critical Function vulnerability in ePati Cyber Security Technologies Inc. Antikor Next Generation Firewall (NGFW) allows Authentication Bypass.
This issue affects Antikor Next Generation Firewall (NGFW): from v.2.0.1298 before v.2.0.1301.
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
2 references
| URL | Tags |
|---|---|
| https://www.usom.gov.tr/bildirim/tr-26-0082 | government-resourcebroken-link |
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ePati Cyber Security Technologies Inc. | Antikor Next Generation Firewall (NGFW) |
Affected:
v.2.0.1298 , < v.2.0.1301
(custom)
|
Date Public
2026-02-25 12:25
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CVE-2026-2603 (GCVE-0-2026-2603)
Vulnerability from cvelistv5 – Published: 2026-03-18 01:14 – Updated: 2026-07-15 01:15
VLAI
EPSS
VEX
Title
Keycloak: keycloak: unauthorized authentication via disabled saml identity provider
Summary
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Severity
8.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:3925 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3926 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3947 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:3948 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-2603 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2440300 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2.14-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2 |
Unaffected:
26.2-16 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.2.14 |
cpe:/a:redhat:build_keycloak:26.2::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.10-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-12 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.10 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
Date Public
2026-03-05 11:23
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CVE-2026-2577 (GCVE-0-2026-2577)
Vulnerability from cvelistv5 – Published: 2026-02-16 09:51 – Updated: 2026-02-17 16:43
VLAI
EPSS
VEX
Title
Nanobot Unauthenticated WhatsApp Session Hijack via WebSocket Bridge
Summary
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Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Date Public
2026-02-16 09:47
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CVE-2026-2491 (GCVE-0-2026-2491)
Vulnerability from cvelistv5 – Published: 2026-03-13 20:43 – Updated: 2026-03-16 15:41
VLAI
EPSS
VEX
Title
Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability
Summary
Socomec DIRIS A-40 HTTP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Socomec DIRIS A-40 power monitoring devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the web API implementation, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-23993.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://emea.socomec.com/en/resource-center/resou… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Socomec | DIRIS A-40 |
Affected:
1.8.1
|
Date Public
2026-02-25 18:09
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CVE-2026-2417 (GCVE-0-2026-2417)
Vulnerability from cvelistv5 – Published: 2026-03-24 18:06 – Updated: 2026-03-24 18:38
VLAI
EPSS
VEX
Title
Missing Authentication for Critical Function in Pharos Controls Mosaic Show Controller
Summary
A Missing Authentication for Critical Function vulnerability in Pharos Controls Mosaic Show Controller firmware version 2.15.3 could allow an unauthenticated attacker to bypass authentication and execute arbitrary commands with root privileges.
Severity
SSVC
Exploitation: none
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://www.cisa.gov/news-events/ics-advisories/i… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pharos Controls | Mosaic Show Controller |
Affected:
2.15.3
|
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CVE-2026-2339 (GCVE-0-2026-2339)
Vulnerability from cvelistv5 – Published: 2026-03-10 12:39 – Updated: 2026-06-06 07:54
VLAI
EPSS
VEX
Title
RCE in TUBITAK BILGEM's Liderahenk
Summary
Missing Authentication for Critical Function vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows Remote Code Inclusion, Privilege Abuse, Command Injection.
This issue affects Liderahenk: before 3.5.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.usom.gov.tr/bildirim/tr-26-0087 | government-resourcebroken-link |
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TUBITAK BILGEM Software Technologies Research Institute | Liderahenk |
Affected:
0 , < 3.5.1
(custom)
|
Date Public
2026-03-10 12:16
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CVE-2026-2249 (GCVE-0-2026-2249)
Vulnerability from cvelistv5 – Published: 2026-02-11 14:16 – Updated: 2026-02-12 15:20
VLAI
EPSS
VEX
Title
Unauthenticated Remote Command Execution via Web Console in METIS DFS
Summary
METIS DFS devices (versions <= oscore 2.1.234-r18) expose a web-based shell at the /console endpoint that does not require authentication. Accessing this endpoint allows a remote attacker to execute arbitrary operating system commands with 'daemon' privileges. This results in the compromise of the software, granting unauthorized access to modify configuration, read and alter sensitive data, or disrupt services.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.metis.tech/ | x_vendor-website |
| https://cydome.io/vulnerability-advisory-cve-2026… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| METIS Cyberspace Technology SA | METIS DFS |
Affected:
oscore 2.1.234-r18
(custom)
Unaffected: oscore 2.1.235-r19 (custom) |
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CVE-2026-2248 (GCVE-0-2026-2248)
Vulnerability from cvelistv5 – Published: 2026-02-11 14:15 – Updated: 2026-02-12 15:20
VLAI
EPSS
VEX
Title
Unauthenticated Remote Root Shell Access via Web Console in METIS WIC
Summary
METIS WIC devices (versions <= oscore 2.1.234-r18) expose a web-based shell at the /console endpoint that does not require authentication. Accessing this endpoint allows a remote attacker to execute arbitrary operating system commands with root (UID 0) privileges. This results in full system compromise, allowing unauthorized access to modify system configuration, read sensitive data, or disrupt device operations
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.metis.tech/ | x_vendor-website |
| https://cydome.io/vulnerability-advisory-cve-2026… | technical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| METIS Cyberspace Technology SA | METIS WIC |
Affected:
oscore 2.1.234-r18
(custom)
Unaffected: oscore 2.1.235-r19 (custom) |
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CVE-2026-2234 (GCVE-0-2026-2234)
Vulnerability from cvelistv5 – Published: 2026-02-09 07:09 – Updated: 2026-02-09 15:40
VLAI
EPSS
VEX
Title
HGiga｜C&Cm@il - Missing Authentication
Summary
C&Cm@il developed by HGiga has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to read and modify any user's mail content.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-10703-3d02f-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-10704-d5aba-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HGiga | C&Cm@il package olln-base |
Affected:
0 , < 7.0-978
(custom)
|
Date Public
2026-02-09 07:06
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CVE-2026-2165 (GCVE-0-2026-2165)
Vulnerability from cvelistv5 – Published: 2026-02-08 16:32 – Updated: 2026-02-23 09:44
VLAI
EPSS
VEX
Title
detronetdip E-commerce Account Creation Endpoint add_seller.php missing authentication
Summary
A weakness has been identified in detronetdip E-commerce 1.0.0. Impacted is an unknown function of the file /Admin/assets/backend/seller/add_seller.php of the component Account Creation Endpoint. Executing a manipulation of the argument email can lead to missing authentication. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344867 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344867 | signaturepermissions-required |
| https://vuldb.com/?submit.751857 | third-party-advisory |
| https://github.com/detronetdip/E-commerce/issues/23 | issue-tracking |
| https://github.com/Nixon-H/Unauthenticated-Admin-… | exploit |
| https://github.com/detronetdip/E-commerce/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| detronetdip | E-commerce |
Affected:
1.0.0
cpe:2.3:a:detronetdip:e-commerce:*:*:*:*:*:*:*:* |
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"issue-tracking"
],
"url": "https://github.com/detronetdip/E-commerce/issues/23"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/Nixon-H/Unauthenticated-Admin-Account-Creation"
},
{
"tags": [
"product"
],
"url": "https://github.com/detronetdip/E-commerce/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-02-07T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-02-07T01:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-02-19T21:31:09.000Z",
"value": "VulDB entry last update"
}
],
"title": "detronetdip E-commerce Account Creation Endpoint add_seller.php missing authentication"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-2165",
"datePublished": "2026-02-08T16:32:14.426Z",
"dateReserved": "2026-02-07T09:11:41.742Z",
"dateUpdated": "2026-02-23T09:44:57.398Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.