Common Weakness Enumeration
CWE-287
DiscouragedImproper Authentication
Abstraction: Class · Status: Draft
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
5974 vulnerabilities reference this CWE, most recent first.
CVE-2026-3194 (GCVE-0-2026-3194)
Vulnerability from cvelistv5 – Published: 2026-02-25 17:02 – Updated: 2026-02-25 18:43
VLAI
EPSS
VEX
Title
Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication
Summary
A flaw has been found in Chia Blockchain 2.1.0. The affected element is the function send_transaction/get_private_key of the component RPC Server Master Passphrase Handler. This manipulation causes missing authentication. The attack can only be executed locally. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been published and may be used. The vendor was informed early via email. A separate report via bugbounty was rejected with the reason "This is by design. The user is responsible for host security".
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347750 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347750 | signaturepermissions-required |
| https://vuldb.com/?submit.757201 | third-party-advisory |
| https://github.com/Danimlzg/chia-rpc-auth-bypass.git | broken-linkexploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Chia | Blockchain |
Affected:
2.1.0
|
Credits
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CVE-2026-3192 (GCVE-0-2026-3192)
Vulnerability from cvelistv5 – Published: 2026-02-25 16:02 – Updated: 2026-02-25 20:19
VLAI
EPSS
VEX
Title
Chia Blockchain RPC Credential rpc_server_base.py _authenticate improper authentication
Summary
A security vulnerability has been detected in Chia Blockchain 2.1.0. This issue affects the function _authenticate of the file rpc_server_base.py of the component RPC Credential Handler. The manipulation leads to improper authentication. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. The vendor was informed early via email. A separate report via bugbounty was rejected with the reason "This is by design. The user is responsible for host security".
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347748 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347748 | signaturepermissions-required |
| https://github.com/Danimlzg/chia-rpc-auth-bypass.git | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Chia | Blockchain |
Affected:
2.1.0
|
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CVE-2026-3053 (GCVE-0-2026-3053)
Vulnerability from cvelistv5 – Published: 2026-02-24 01:32 – Updated: 2026-02-28 02:02
VLAI
EPSS
VEX
Title
DataLinkDC dinky OpenAPI Endpoint AppConfig.java addInterceptors missing authentication
Summary
A vulnerability was determined in DataLinkDC dinky up to 1.2.5. This affects the function addInterceptors of the file dinky-admin/src/main/java/org/dinky/configure/AppConfig.java of the component OpenAPI Endpoint. 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. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.347411 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.347411 | signaturepermissions-required |
| https://vuldb.com/?submit.757589 | third-party-advisory |
| https://github.com/AnalogyC0de/public_exp/issues/6 | issue-tracking |
| https://github.com/AnalogyC0de/public_exp/issues/… | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DataLinkDC | dinky |
Affected:
1.2.0
Affected: 1.2.1 Affected: 1.2.2 Affected: 1.2.3 Affected: 1.2.4 Affected: 1.2.5 |
Credits
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CVE-2026-2991 (GCVE-0-2026-2991)
Vulnerability from cvelistv5 – Published: 2026-03-18 15:28 – Updated: 2026-04-08 17:06
VLAI
EPSS
VEX
Title
KiviCare – Clinic & Patient Management System (EHR) <= 4.1.2 - Unauthenticated Authentication Bypass via Social Login Token
Summary
The KiviCare – Clinic & Patient Management System (EHR) plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 4.1.2. This is due to the `patientSocialLogin()` function not verifying the social provider access token before authenticating a user. This makes it possible for unauthenticated attackers to log in as any patient registered on the system by providing only their email address and an arbitrary value for the access token, bypassing all credential verification. The attacker gains access to sensitive medical records, appointments, prescriptions, and billing information (PII/PHI breach). Additionally, authentication cookies are set before the role check, meaning the auth cookies for non-patient users (including administrators) are also set in the HTTP response headers, even though a 403 response is returned.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| iqonicdesign | KiviCare – Clinic & Patient Management System (EHR) |
Affected:
0 , ≤ 4.1.2
(semver)
|
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CVE-2026-2812 (GCVE-0-2026-2812)
Vulnerability from cvelistv5 – Published: 2026-05-20 17:47 – Updated: 2026-05-20 19:30
VLAI
EPSS
VEX
Title
Improper Authentication issue in ArcGIS Server
Summary
ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Esri | ArcGIS Server |
Affected:
11.1 , ≤ 12.0
(custom)
|
Date Public
2026-05-06 17:47
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CVE-2026-2756 (GCVE-0-2026-2756)
Vulnerability from cvelistv5 – Published: 2026-03-21 17:32 – Updated: 2026-03-23 16:40
VLAI
EPSS
VEX
Title
OmniPEMF NeoRhythm BLE missing authentication
Summary
A security vulnerability has been detected in OmniPEMF NeoRhythm up to 20260308. This affects an unknown function of the component BLE Interface. Such manipulation leads to missing authentication. The attack can only be initiated within the local network. This attack is characterized by high complexity. The exploitability is reported as difficult. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.352383 | vdb-entry |
| https://vuldb.com/?ctiid.352383 | signaturepermissions-required |
| https://vuldb.com/?submit.774937 | third-party-advisory |
| https://ab3j.radio/NeoRhythm.pdf | related |
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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
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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-2026-2174 (GCVE-0-2026-2174)
Vulnerability from cvelistv5 – Published: 2026-02-08 18:32 – Updated: 2026-02-23 09:46 X_Freeware
VLAI
EPSS
VEX
Title
code-projects Contact Management System CRUD Endpoint improper authentication
Summary
A security flaw has been discovered in code-projects Contact Management System 1.0. This affects an unknown part of the component CRUD Endpoint. The manipulation of the argument ID results in improper authentication. The attack may be launched remotely.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-287 - Improper Authentication
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.344875 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.344875 | signaturepermissions-required |
| https://vuldb.com/?submit.749262 | third-party-advisory |
| https://code-projects.org/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| code-projects | Contact Management System |
Affected:
1.0
|
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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:*:*:*:*:*:*:*:* |
Credits
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Mitigation
Architecture and Design
Strategy: Libraries or Frameworks
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
CAPEC-114: Authentication Abuse
An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker.
CAPEC-115: Authentication Bypass
An attacker gains access to application, service, or device with the privileges of an authorized or privileged user by evading or circumventing an authentication mechanism. The attacker is therefore able to access protected data without authentication ever having taken place.
CAPEC-151: Identity Spoofing
Identity Spoofing refers to the action of assuming (i.e., taking on) the identity of some other entity (human or non-human) and then using that identity to accomplish a goal. An adversary may craft messages that appear to come from a different principle or use stolen / spoofed authentication credentials.
CAPEC-194: Fake the Source of Data
An adversary takes advantage of improper authentication to provide data or services under a falsified identity. The purpose of using the falsified identity may be to prevent traceability of the provided data or to assume the rights granted to another individual. One of the simplest forms of this attack would be the creation of an email message with a modified "From" field in order to appear that the message was sent from someone other than the actual sender. The root of the attack (in this case the email system) fails to properly authenticate the source and this results in the reader incorrectly performing the instructed action. Results of the attack vary depending on the details of the attack, but common results include privilege escalation, obfuscation of other attacks, and data corruption/manipulation.
CAPEC-22: Exploiting Trust in Client
An attack of this type exploits vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by communicating directly with the server where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data
This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to obtain sensitive data once SSL is terminated.
CAPEC-593: Session Hijacking
This type of attack involves an adversary that exploits weaknesses in an application's use of sessions in performing authentication. The adversary is able to steal or manipulate an active session and use it to gain unathorized access to the application.
CAPEC-633: Token Impersonation
An adversary exploits a weakness in authentication to create an access token (or equivalent) that impersonates a different entity, and then associates a process/thread to that that impersonated token. This action causes a downstream user to make a decision or take action that is based on the assumed identity, and not the response that blocks the adversary.
CAPEC-650: Upload a Web Shell to a Web Server
By exploiting insufficient permissions, it is possible to upload a web shell to a web server in such a way that it can be executed remotely. This shell can have various capabilities, thereby acting as a "gateway" to the underlying web server. The shell might execute at the higher permission level of the web server, providing the ability the execute malicious code at elevated levels.
CAPEC-94: Adversary in the Middle (AiTM)
An adversary targets the communication between two components (typically client and server), in order to alter or obtain data from transactions. A general approach entails the adversary placing themself within the communication channel between the two components.