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.
2202 vulnerabilities reference this CWE, most recent first.
CVE-2026-90504 (GCVE-0-2026-90504)
Vulnerability from cvelistv5 – Published: 2026-09-13 08:45 – Updated: 2026-09-21 16:18 Unsupported When Assigned
VLAI
EPSS
VEX
Title
vvbbnn00 WARP-Clash-API authorized missing authentication
Summary
A vulnerability has been found in vvbbnn00 WARP-Clash-API up to c7bf2360073959861219b422e51ae86411051b46. The impacted element is the function authorized. The manipulation of the argument SECRET_KEY leads to missing authentication. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 16:15 UTC
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/403092 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/403092/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-90504 | third-party-advisory |
| https://vuldb.com/submit/895263 | third-party-advisory |
| https://gist.github.com/Galaxync/b90734d80bf32e81… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vvbbnn00 | WARP-Clash-API |
Affected:
c7bf2360073959861219b422e51ae86411051b46
cpe:2.3:a:vvbbnn00:warp-clash-api:*:*:*:*:*:*:*:* |
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CVE-2026-90465 (GCVE-0-2026-90465)
Vulnerability from cvelistv5 – Published: 2026-10-27 15:52 – Updated: 2026-10-29 10:45
VLAI
EPSS
VEX
Title
Fireware OS Missing Authentication in FireCluster Sync Allows Privilege Escalation
Summary
A missing authentication vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to invoke privileged firewall management actions as root by sending a specially crafted request.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 03:56 UTC
Assigner
WatchGuard
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90465 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.4
(custom)
Affected: 12.0 , < 12.12.4 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.22
(custom)
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CVE-2026-90449 (GCVE-0-2026-90449)
Vulnerability from cvelistv5 – Published: 2026-09-11 21:49 – Updated: 2026-10-02 21:07
VLAI
EPSS
VEX
Title
Missing Authentication for Critical Function in Malcolm
Summary
When a particular authentication mode is configured, the reverse proxy forwards requests for a bundled third-party administrative interface directly to that interface without applying the gateway's own authentication requirement first. All access control for this administrative interface, which manages the credential store used to gate every other service in the deployment, is delegated entirely to that third-party interface's own login mechanism. Any authentication weakness in that bundled interface would compromise the credential store protecting the rest of the deployment.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 16:12 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
icscert
CNA
References
2 references
| URL | Tags |
|---|---|
| https://raw.githubusercontent.com/cisagov/CSAF/de… | government-resourcevendor-advisory |
| https://www.cisa.gov/news-events/ics-advisories/i… |
Impacted products
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CVE-2026-89309 (GCVE-0-2026-89309)
Vulnerability from cvelistv5 – Published: 2026-10-13 08:38 – Updated: 2026-10-16 17:18
VLAI
EPSS
VEX
Title
Missing Authentication Vulnerability in JTL-WMS
Summary
The authorization middleware of the WMS MobileServer
fails to require authentication in two distinct cases. First, it
only requires an Authorization header for GET and HEAD requests; requests
using any other HTTP method are processed without an authentication check.
Second, for any HTTP method including GET and HEAD, a request carrying a
malformed or non-bearer Authorization header is passed through without
a valid token being required.
The middleware does validate a token whenever a
well-formed one is present, but in these two cases it does not
require one. A remote attacker with network access to the service can
therefore invoke API functionality without valid credentials.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 17:03 UTC
CWE
- CWE-306 - Missing authentication for critical function
Assigner
ENISA
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://www.jtl-software.com/de/cve-2026-89309-cv… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| JTL SW GmbH | JTL-WMS |
Affected:
0 , < 2.0.7
(semver)
Affected: 0 , < 2.1.2 (semver) Affected: 0 , < 2.2.1 (semver) Affected: 1.7.*, 1.8.*, 1.9.*, 1.10.*, 1.11.* (semver) |
Date Public
2026-10-13 14:00
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CVE-2026-89263 (GCVE-0-2026-89263)
Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint
Summary
MoguBlog through 6.2 fails to authenticate requests to the /web/comment/closeEmailNotification endpoint, allowing unauthenticated attackers to disable email notifications for arbitrary users. Remote callers can modify the startEmailNotification flag in Redis cache for any user identifier to suppress reply notifications without authorization.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 16:21 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck
CNA
References
6 references
| URL | Tags |
|---|---|
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://gitee.com/moxi159753/mogu_blog_v2/releases | release-notes |
| https://github.com/moxi624/mogu_blog_v2 | product |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-89261 (GCVE-0-2026-89261)
Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-24 14:21
VLAI
EPSS
VEX
Title
MoguBlog through 6.2 Missing Authentication for Elasticsearch Index Management Endpoints
Summary
MoguBlog through 6.2 exposes Elasticsearch index management endpoints in the mogu_search service without authentication, allowing remote attackers to delete, recreate, or alter the blog search index. Attackers can invoke POST endpoints to wipe the entire search index, delete specific documents, or inject malicious index entries, causing search functionality to return incorrect or no results.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 19:15 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck
CNA
References
9 references
| URL | Tags |
|---|---|
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/LinYuanyi1/cve-request-poc/blo… | exploit |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://github.com/moxi624/mogu_blog_v2/blob/025d… | technical-description |
| https://gitee.com/moxi159753/mogu_blog_v2/releases | release-notes |
| https://github.com/moxi624/mogu_blog_v2 | product |
| https://www.vulncheck.com/advisories/mogublog-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-11 00:00
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CVE-2026-89250 (GCVE-0-2026-89250)
Vulnerability from cvelistv5 – Published: 2026-09-11 11:15 – Updated: 2026-09-11 14:03
VLAI
EPSS
VEX
Title
WWBN AVideo Unauthenticated File Read via getRecordedFile.php
Summary
WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains an unauthenticated file read vulnerability in the getRecordedFile.php endpoint that streams recorded FLV files from the temporary directory. Attackers can request the endpoint with a known or guessed stream key to download recorded live video files without authentication or authorization checks.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 14:02 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/WWBN/AVideo/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/wwbn-avideo-… | third-party-advisory |
Impacted products
Date Public
2026-08-27 00:00
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CVE-2026-89176 (GCVE-0-2026-89176)
Vulnerability from cvelistv5 – Published: 2026-09-11 07:34 – Updated: 2026-09-11 15:41
VLAI
EPSS
VEX
Title
Howyar｜WeenyGenius - Missing Authentication
Summary
WeenyGenius, a computer lab management system developed by Howyar Technologies, has a Missing Authentication vulnerability. Unauthenticated attackers on the same network can easily spoof student or teacher endpoints. Impersonating a student can disrupt normal classroom operations, whereas impersonating a teacher can induce student computers to initiate connections, thereby gaining remote control over the student endpoints.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-11 15:40 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
twcert
CNA
References
2 references
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-11201-658c0-1.html | third-party-advisory |
| https://www.twcert.org.tw/en/cp-139-11200-ffc3c-2.html | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Howyar | WeenyGenius |
Affected:
0 , ≤ 12.2.031
(custom)
|
Date Public
2026-09-11 07:34
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CVE-2026-89034 (GCVE-0-2026-89034)
Vulnerability from cvelistv5 – Published: 2026-09-16 21:43 – Updated: 2026-09-19 02:00
VLAI
EPSS
VEX
Title
TCH QRing R20_B006 Unauthenticated BLE Access
Summary
TCH QRing smart ring model R20_B006 running firmware RT09R20_1.00.00_250318 contains an unauthenticated Bluetooth Low Energy access vulnerability that allows any nearby attacker to connect to the device without pairing, authentication, or user approval by exploiting the exposed Nordic UART Service which enforces no client authentication or command authorization. Attackers within Bluetooth Low Energy range can connect directly to the ring, bypassing the official application and cloud authentication, to read battery levels, activate live heart rate monitoring, and retrieve stored historical heart rate and blood oxygen records.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 01:59 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://mrvar0x.com/2026/05/19/reverse-engineerin… | technical-description |
| https://mrvar0x.com/wp-content/uploads/2026/07/Re… | exploit |
Impacted products
Date Public
2026-05-19 00:00
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CVE-2026-89027 (GCVE-0-2026-89027)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-17 16:49 X_Open Source
VLAI
EPSS
VEX
Title
miniOrange JWT Authentication for WP REST APIs < 4.8.0 Authentication Downgrade
Summary
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Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 16:48 UTC
CWE
- CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/wp-rest-api-authent… | release-notes |
| https://www.vulncheck.com/advisories/miniorange-j… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| miniOrange | JWT Authentication for WP REST APIs |
Affected:
0 , < 4.8.0
(semver)
|
Date Public
2026-09-11 00:00
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-15T20:05:38.566Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
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"references": [
{
"name": "WordPress Changelog",
"tags": [
"release-notes"
],
"url": "https://wordpress.org/plugins/wp-rest-api-authentication/#developers"
},
{
"tags": [
"third-party-advisory"
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"url": "https://www.vulncheck.com/advisories/miniorange-jwt-authentication-for-wp-rest-apis-authentication-downgrade"
}
],
"source": {
"discovery": "UNKNOWN"
},
"tags": [
"x_open-source"
],
"title": "miniOrange JWT Authentication for WP REST APIs \u003c 4.8.0 Authentication Downgrade",
"x_generator": {
"engine": "vulncheck"
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}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-89027",
"datePublished": "2026-09-15T20:05:38.566Z",
"dateReserved": "2026-09-10T16:23:54.472Z",
"dateUpdated": "2026-09-17T16:49:01.480Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
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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.