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.

4575 vulnerabilities reference this CWE, most recent first.

CVE-2026-57476 (GCVE-0-2026-57476)

Vulnerability from cvelistv5 – Published: 2026-07-10 17:10 – Updated: 2026-08-03 18:20 Exclusively Hosted Service
VLAI
Title
Deloitte AI Assist for Customer unauthenticated RAG corpus read and write
Summary
Deloitte AI Assist for Customer exposed unauthenticated API endpoints that allowed an attacker with knowledge of additional parameters to read from or inject content into the retrieval-augmented generation (RAG) corpus. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-06-23 18:31 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Deloitte AI Assist for Customer Affected: 0 , < 2026-03-25 (custom)
Unaffected: 2026-03-25
Create a notification for this product.
Date Public
2026-05-18 00:00
Credits
Karim El Labban, Zero Tolerance
Show details on NVD website
To clipboard 

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CVE-2026-57475 (GCVE-0-2026-57475)

Vulnerability from cvelistv5 – Published: 2026-07-10 17:10 – Updated: 2026-08-03 18:19 Exclusively Hosted Service
VLAI
Title
Deloitte AI Assist for Customer unauthenticated configuration write
Summary
Deloitte AI Assist for Customer accepted unauthenticated POST requests through public-facing API endpoints that allowed a remote attacker to make limited additions to the configuration. These additions were not used by the system. On 2026-03-25, AI Assist for Customer restricted network access and enforced authentication for the previously exposed endpoints.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · cisa-cg (v2.0.3)
Decision recorded 2026-06-23 18:30 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
Deloitte AI Assist for Customer Affected: 0 , < 2026-03-25 (custom)
Unaffected: 2026-03-25
Create a notification for this product.
Date Public
2026-05-18 00:00
Credits
Karim El Labban, Zero Tolerance
Show details on NVD website
To clipboard 

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CVE-2026-57443 (GCVE-0-2026-57443)

Vulnerability from cvelistv5 – Published: 2026-09-25 20:37 – Updated: 2026-09-29 17:45
VLAI
Title
SCBE-AETHERMOORE Unauthenticated AetherBrowser Ops API Exposes Operator Email Digests
Summary
SCBE-AETHERMOORE is a geometric AI governance and evaluation framework. Starting in version 4.0.2 and prior to version 4.2.1, the AetherBrowser API server (`scripts/aetherbrowser/api_server.py`) exposes the `POST /api/ops/check-email` endpoint without any authentication. Any remote attacker can call this endpoint and trigger execution of the `email_reader.py` subprocess, which connects to configured ProtonMail or Gmail accounts via IMAP and returns email metadata (sender, subject, body snippet) in the JSON response. The server binds to `0.0.0.0:8100` by default with CORS set to `allow_origins=["*"]`, making it reachable from any network or browser origin. Version 4.2.1 patches the issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 17:44 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
issdandavis SCBE-AETHERMOORE Affected: >= 4.0.2, < 4.2.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57206 (GCVE-0-2026-57206)

Vulnerability from cvelistv5 – Published: 2026-07-16 15:17 – Updated: 2026-07-16 18:53
VLAI
Title
SimpleChat plugin validation endpoints missing authentication and authorization
Summary
SimpleChat is a secure AI conversation application with personal and group workspaces for document-grounded interactions. Prior to 0.241.206, several plugin validation routes in application/single_app/plugin_validation_endpoint.py, including `POST /api/admin/plugins/test-instantiation`, `GET /api/admin/plugins/health-check/<plugin_name>`, `POST /api/admin/plugins/repair/<plugin_name>`, and `POST /api/plugins/validate`, relied on @swagger_route(security=get_auth_security()) documentation without enforcing @login_required, @user_required, or @admin_required at runtime, allowing unauthenticated or unauthorized clients to invoke plugin validation, health, and repair behavior. This issue is fixed in version 0.241.206.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 18:53 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
microsoft simplechat Affected: < 0.241.206
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57140 (GCVE-0-2026-57140)

Vulnerability from cvelistv5 – Published: 2026-09-15 10:26 – Updated: 2026-09-15 13:52
VLAI
Title
PraisonAI AgentOS exposes unauthenticated agent listing and invocation
Summary
PraisonAI is a multi-agent teams system. From 1.6.0 until 1.7.2, AgentOS in src/praisonai-ts/src/os/agentos.ts uses the 0.0.0.0 default from src/praisonai-ts/src/os/config.ts and registers GET /api/agents and POST /api/chat without authentication middleware. A remote caller who can reach the service can obtain agent names, roles, and instruction prefixes and can invoke a selected agent, potentially reaching its tools, memory, external APIs, credentials, and workflow state. An initial remediation was released in version 1.7.2.
Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 13:30 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: >= 1.6.0, < 1.7.2
Create a notification for this product.
Show details on NVD website
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CVE-2026-57139 (GCVE-0-2026-57139)

Vulnerability from cvelistv5 – Published: 2026-09-15 10:25 – Updated: 2026-09-17 14:17
VLAI
Title
PraisonAI MCPServer exposes unauthenticated HTTP tools/call
Summary
PraisonAI is a multi-agent teams system. From 1.5.0 until 1.7.2, MCPServer.startHttp() in src/praisonai-ts/src/mcp/server.ts binds without a host restriction and forwards every HTTP POST request to handleRequest() without authentication or authorization. Any network client that can reach the port can call tools/list, tools/call, resources/read, or prompts/get, causing registered handlers to run with server-side credentials and process privileges or disclose registered data. An initial remediation was released in version 1.7.2.
Severity
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 2026-09-17 14:17 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
  • CWE-1188 - Insecure Default Initialization of Resource
Assigner
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: >= 1.5.0, < 1.7.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57131 (GCVE-0-2026-57131)

Vulnerability from cvelistv5 – Published: 2026-09-14 15:06 – Updated: 2026-09-14 16:28
VLAI
Title
praisonai: Jobs API exposes agent-execution endpoints with no authentication
Summary
PraisonAI is a multi-agent teams system. Prior to 4.6.58, praisonai.jobs.server.create_app mounts praisonai.jobs.router.create_router under /api/v1/runs without authentication or per-job authorization. Network clients can submit attacker-controlled prompts and agent configuration, list and read jobs, stream results, and cancel or delete other jobs, exposing service credentials and connected tool capabilities to unauthorized agent execution. This vulnerability is fixed in 4.6.58.
Severity
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 2026-09-14 16:27 UTC
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: < 4.6.48
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57128 (GCVE-0-2026-57128)

Vulnerability from cvelistv5 – Published: 2026-09-14 14:25 – Updated: 2026-09-14 15:28
VLAI
Title
PraisonAI: Unauthenticated Event Injection via SSE `/publish` Endpoint
Summary
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.58, the SSE server in src/praisonai-agents/praisonaiagents/server/server.py does not consult ServerConfig.auth_token before handling /publish, /events, or /info requests. A network client that can reach the server can broadcast arbitrary events to connected clients and obtain server configuration and client-count information. This issue is fixed in praisonaiagents 1.6.58.
Severity
4.3 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 15:27 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: < 1.6.58
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Show details on NVD website
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CVE-2026-57127 (GCVE-0-2026-57127)

Vulnerability from cvelistv5 – Published: 2026-09-14 15:01 – Updated: 2026-09-14 16:47
VLAI
Title
praisonai: recipe serve auth middleware silently disables itself when no secret is set
Summary
PraisonAI is a multi-agent teams system. Prior to 4.6.58, recipe serve installs APIKeyAuthMiddleware or JWTAuthMiddleware when an operator selects api-key or JWT authentication, but each middleware forwards requests when PRAISONAI_API_KEY or PRAISONAI_JWT_SECRET and the corresponding recipe value are absent. Unauthenticated clients can then reach recipe execution, input, and output surfaces and may trigger connected tools despite the operator explicitly enabling authentication. This issue is fixed in 4.6.58.
Severity
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 2026-09-14 16:46 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-1188 - Insecure Default Initialization of Resource
Assigner
References
Impacted products
Vendor Product Version
MervinPraison PraisonAI Affected: < 4.6.48
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-57125 (GCVE-0-2026-57125)

Vulnerability from cvelistv5 – Published: 2026-09-14 14:19 – Updated: 2026-09-14 19:18
VLAI
Title
PraisonAI: Unauthenticated RCE via Jobs API + Approval Bypass
Summary
PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.59 and praisonaiagents 1.6.59, the unauthenticated POST /api/v1/runs Jobs API accepts attacker-controlled agent_yaml, and the approve field can mark execute_command as YAML-approved before @require_approval checks critical tools. This chain allows a remote caller to cause a configured language model agent to invoke arbitrary operating-system commands without credentials or operator interaction. This vulnerability is fixed in praisonai 4.6.59 and praisonaiagents 1.6.59 as fixed versions.
Severity
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 2026-09-14 19:18 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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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.

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