Common Weakness Enumeration

CWE-306

Allowed

Missing Authentication for Critical Function

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

4547 vulnerabilities reference this CWE, most recent first.

CVE-2026-93839 (GCVE-0-2026-93839)

Vulnerability from cvelistv5 – Published: 2026-09-18 19:06 – Updated: 2026-09-24 14:23
VLAI
Title
LightLLM through 1.2.0 Missing Authentication in PD Master /pd_register WebSocket Endpoint
Summary
LightLLM through 1.2.0 contains an authentication bypass vulnerability in the /pd_register WebSocket endpoint that allows unauthenticated attackers to register arbitrary nodes by supplying crafted JSON without peer address validation. Attackers can disclose full user prompts routed to their socket, trigger denial of service by replacing legitimate nodes, or make the PD Master issue requests to internal network addresses.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 15:21 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
ModelTC LightLLM Affected: 0 , ≤ 1.2.0 (semver)
Create a notification for this product.
Date Public
2026-09-16 00:00
Credits
Jiapeng Li Mingkai Yu Jiajia Liu
Show details on NVD website
To clipboard 

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CVE-2026-93559 (GCVE-0-2026-93559)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:45 – Updated: 2026-09-22 15:00
VLAI
Title
Forget-C Jellyfish AI Short Drama Studio FastAPI dependencies.py missing authentication
Summary
A vulnerability was identified in Forget-C Jellyfish AI Short Drama Studio 0.1.0-alpha/0.2.0/0.3.0/0.3.1/0.3.2. This affects an unknown function of the file backend/app/dependencies.py of the component FastAPI. The manipulation leads to missing authentication. It is possible to initiate the attack remotely. The reported GitHub issue was closed automatically due to inactivity.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 14:59 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Forget-C Jellyfish AI Short Drama Studio Affected: 0.1.0-alpha
Affected: 0.2.0
Affected: 0.3.0
Affected: 0.3.1
Affected: 0.3.2
    cpe:2.3:a:forget-c:jellyfish_ai_short_drama_studio:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
summmm (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-93539 (GCVE-0-2026-93539)

Vulnerability from cvelistv5 – Published: 2026-09-28 14:19 – Updated: 2026-09-28 16:22
VLAI
Title
Unauthenticated GitRepo Spec Mutation via Fleet Git Webhook Receiver
Summary
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Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 14:59 UTC
CWE
  • CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
Vendor Product Version
SUSE Rancher Affected: 0.16.0 , < 0.16.2 (semver)
    cpe:2.3:a:suse:rancher:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-28 14:16
Credits
https://github.com/Pig-Tail
Show details on NVD website
To clipboard 

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CVE-2026-93462 (GCVE-0-2026-93462)

Vulnerability from cvelistv5 – Published: 2026-09-30 07:42 – Updated: 2026-10-01 04:54
VLAI
Summary
A missing authentication for critical function vulnerability exists in baserCMS. If this vulnerability is exploited, a remote attacker may obtain sensitive information.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 16:59 UTC
CWE
  • CWE-306 - Missing authentication for critical function
Assigner
References
Impacted products
Vendor Product Version
baserCMS User Community baserCMS Affected: 0 , < 5.4.1 (semver)
Affected: 0 , < 5.3.1 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-92972 (GCVE-0-2026-92972)

Vulnerability from cvelistv5 – Published: 2026-09-17 13:43 – Updated: 2026-09-18 16:23
VLAI
Title
SGLang through 0.5.19 Unauthenticated Route Poisoning via PUT endpoint
Summary
SGLang through 0.5.19 in prefill/decode disaggregation mode contains an unauthenticated PUT /route endpoint on the prefill bootstrap service that allows attackers to poison the KV transfer routing table. Attackers can supply arbitrary rank_ip and rank_port values to redirect decode workers to attacker-controlled endpoints, causing denial of service or disclosure of KV transfer metadata including session identifiers and tensor-parallel topology parameters.
Severity
8.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 19:15 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
sgl-project sglang Affected: 0 , ≤ 0.5.19 (semver)
Create a notification for this product.
Date Public
2026-09-14 00:00
Credits
Jiapeng Li Mingkai Yu Jiajia Liu
Show details on NVD website
To clipboard 

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CVE-2026-92808 (GCVE-0-2026-92808)

Vulnerability from cvelistv5 – Published: 2026-09-16 20:06 – Updated: 2026-09-17 14:56
VLAI
Title
Server-Side Request Forgery in Altium Enterprise Server UnifiedLogin Service Allows Unauthenticated System Compromise
Summary
A server-side request forgery (SSRF) vulnerability exists in the UnifiedLogin service of Altium Enterprise Server. An unauthenticated network attacker can cause the server to issue outbound HTTP requests to a destination of the attacker's choosing, including internal services that are reachable only from the server itself. One such internal service exposes server configuration and credential material without authentication, relying only on the request originating locally. Because the forged requests originate from the server process, that check is satisfied. An unauthenticated attacker can therefore retrieve stored credentials and use them to obtain an administrative session, resulting in full compromise of the server and all of its services. Altium 365 cloud deployments are not affected, as the affected endpoint is disabled in cloud mode.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 14:56 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Altium Altium Enterprise Server Affected: 0 , < 8.1.1 (semver)
Create a notification for this product.
Date Public
2026-09-16 16:00
Credits
Joris Aerts, Tesla Inc.
Show details on NVD website
To clipboard 

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CVE-2026-92805 (GCVE-0-2026-92805)

Vulnerability from cvelistv5 – Published: 2026-09-16 20:32 – Updated: 2026-09-19 01:52
VLAI
Title
UVdesk Community Skeleton through 1.1.8 Missing Authentication on the Installation Wizard
Summary
UVdesk Community Skeleton through 1.1.8 fails to authenticate or validate installation state on wizard endpoints in ConfigureHelpdesk controller actions. Unauthenticated attackers can repoint the database and create super administrator accounts by submitting crafted requests to wizard endpoints, gaining full control of the instance.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-19 01:50 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
uvdesk community-skeleton Affected: 0 , ≤ 1.1.8 (semver)
    cpe:2.3:a:uvdesk:community-skeleton:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-26 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-92729 (GCVE-0-2026-92729)

Vulnerability from cvelistv5 – Published: 2026-09-16 18:31 – Updated: 2026-09-21 18:18
VLAI
Title
SigNoz 0.88.0 through 0.141.0 - Missing Authentication on Trace Funnel Analytics Endpoints
Summary
SigNoz versions 0.88.0 through 0.141.0 fail to apply authorization wrappers to trace-funnel analytics endpoints in the HTTP handler. Unauthenticated attackers can submit arbitrary funnel definitions to retrieve trace analytics including identifiers, durations, span counts, service topology, and error activity without credentials.
Severity
8.8 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 18:16 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
SigNoz signoz Affected: 0.88.0 , < 0.141.1 (semver)
Create a notification for this product.
Date Public
2026-09-14 00:00
Credits
4NK1T lighthousekeeper1212 0xVijay axel-corsiez morimori-dev PLpaPLpa newugly thaidn (Calif.io, in collaboration with Anthropic) hackchang Wenhao Wu (d3do-23), Southeast University
Show details on NVD website
To clipboard 

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CVE-2026-92720 (GCVE-0-2026-92720)

Vulnerability from cvelistv5 – Published: 2026-09-16 17:31 – Updated: 2026-09-24 14:22
VLAI
Title
Kubero through 3.1.1 Unauthenticated Notifications API Access
Summary
Kubero through 3.1.1 fails to apply authentication guards to the notifications API endpoints, allowing unauthenticated attackers to read webhook secrets and service URLs. Attackers can retrieve stored credentials and register malicious webhooks to intercept pipeline events or suppress alerting by deleting existing configurations.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 19:15 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
kubero-dev kubero Affected: 0 , ≤ 3.1.1 (semver)
Create a notification for this product.
Date Public
2026-06-21 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-92717 (GCVE-0-2026-92717)

Vulnerability from cvelistv5 – Published: 2026-09-16 17:31 – Updated: 2026-09-24 14:22
VLAI
Title
Covenant through 0.6 Missing Authentication on the CovenantHub SignalR Hub
Summary
Covenant through 0.6 registers the CovenantHub SignalR hub without an Authorize attribute, allowing unauthenticated callers to invoke CreateHttpListener and receive a signed JWT token. Attackers can use the obtained token to authenticate against the entire operator API and access grunts, credentials, binaries, events, and the operator roster.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 17:51 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
cobbr Covenant Affected: 0 , ≤ 0.6 (custom)
    cpe:2.3:a:cobbr:covenant:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-21 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen"
        }
      ],
      "datePublic": "2026-06-21T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Covenant through 0.6 registers the CovenantHub SignalR hub without an Authorize attribute, allowing unauthenticated callers to invoke CreateHttpListener and receive a signed JWT token. Attackers can use the obtained token to authenticate against the entire operator API and access grunts, credentials, binaries, events, and the operator roster."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "Missing Authentication for Critical Function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-24T14:22:51.497Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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      "references": [
        {
          "name": "GitHub Issue #406",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/cobbr/Covenant/issues/406"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/cobbr/Covenant"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Hubs/CovenantHub.cs#L28-L33"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/cobbr/Covenant/blob/v0.6/Covenant/Core/CovenantService.cs#L3958-L3975"
        },
        {
          "name": "VulnCheck Advisory: Covenant through 0.6 Missing Authentication on the CovenantHub SignalR Hub",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/covenant-through-0.6-missing-authentication-on-the-covenanthub-signalr-hub"
        }
      ],
      "title": "Covenant through 0.6 Missing Authentication on the CovenantHub SignalR Hub",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-92717",
    "datePublished": "2026-09-16T17:31:37.704Z",
    "dateReserved": "2026-09-16T17:20:10.124Z",
    "dateUpdated": "2026-09-24T14:22:51.497Z",
    "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.

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