Common Weakness Enumeration

CWE-306

Allowed

Missing 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.

4966 vulnerabilities reference this CWE, most recent first.

CVE-2026-0247 (GCVE-0-2026-0247)

Vulnerability from cvelistv5 – Published: 2026-05-13 18:46 – Updated: 2026-05-13 19:31
VLAI
Title
Prisma Access Agent Endpoint DLP: Authorization Bypass Vulnerabilities
Summary
Multiple authorization bypass vulnerabilities in the Endpoint DLP component of Prisma Access Agent® allow a local attacker to bypass authentication controls and execute privileged operations.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 19:21 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
palo_alto CNA under the mitre root
CNA scorecard A 95/100 over 96 records in the last 180 days details
References
Impacted products
Vendor Product Version
Palo Alto Networks Prisma Access Agent Affected: 0 , < 26.2.1 (custom)
    cpe:2.3:a:palo_alto_networks:prisma_access_agent:*:*:macos:*:*:*:*:*
    cpe:2.3:a:palo_alto_networks:prisma_access_agent:*:*:windows:*:*:*:*:*
Create a notification for this product.
Date Public
2026-05-13 16:00
Show details on NVD website

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CVE-2026-0204 (GCVE-0-2026-0204)

Vulnerability from cvelistv5 – Published: 2026-04-29 16:15 – Updated: 2026-04-30 03:55
VLAI
Summary
A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-29 00:00 UTC
CWE
  • CWE-1390 - Weak Authentication
  • CWE-306 - Missing authentication for critical function
Assigner
sonicwall CNA under the mitre root
CNA scorecard D 54/100 over 25 records in the last 180 days details
References
Impacted products
Vendor Product Version
SonicWall SonicOS Affected: 6.5.5.1-6n and older versions
Affected: 7.0.1-5169 and older versions
Affected: 7.3.1-7013 and older versions
Affected: 8.1.0-8017 and older versions
Create a notification for this product.
Date Public
2026-04-29 16:11
Show details on NVD website

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GCVE-1988-2026-0154

Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-11 08:13
VLAI
Title
[NotCVE-2026-0010] Barrier 2.4.0 for Windows Unauthenticated IPC Command Execution Allows Local Privilege Escalation to SYSTEM
Summary
---------------------------------------------------------------------------- NotCVE Advisory — NotCVE-2026-0010 ---------------------------------------------------------------------------- [-] Summary: Barrier 2.4.0 for Windows contains a local privilege escalation vulnerability in the IPC command interface exposed by the barrierd.exe service on 127.0.0.1:24801. The IPC server accepts local TCP clients and processes a command line together with a one-byte elevation flag without authenticating the connecting process or verifying that it is authorised to request elevated process creation. A low-privileged local attacker can therefore execute arbitrary commands as NT AUTHORITY\SYSTEM, resulting in complete compromise of the affected host. CVSS:3.1 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). [-] Affected: Barrier (Debauchee), version 2.4.0 for Windows. Earlier affected versions have not been established. Barrier is no longer maintained and no patched release has been verified. [-] Technical Description: The Barrier daemon (barrierd.exe) exposes an IPC server on the loopback interface at TCP port 24801. A client sends an IHEL client hello identifying itself as a supported IPC client type, followed by a kIpcCommand (ICMD) message containing a command line and a one-byte elevation flag. The reviewed IPC acceptance and command-processing paths do not authenticate the connecting process, verify its Windows identity, or authorise it to request elevated process creation. When the elevation flag is enabled, DaemonApp::handleIpcMessage() forwards the supplied command and elevation value to MSWindowsWatchdog. The watchdog locates winlogon.exe in the relevant Windows session, duplicates its privileged token, and supplies the attacker-controlled command line to CreateProcessAsUser. The command therefore executes as NT AUTHORITY\SYSTEM. Barrier additionally stores the last IPC-supplied values in the system settings as Command and Elevate. These values are loaded again when the daemon starts and passed back to the watchdog, so an attacker-supplied elevated command can execute again after service restarts or system reboots until the stored command is cleared. Weaknesses: CWE-306 (Missing Authentication for Critical Function), CWE-862 (Missing Authorization). Pattern: CAPEC-69 (Target Programs with Elevated Privileges). A proof of concept is published in the researcher's repository (see References). [-] Timeline: [25/07/2026] - NotCVE ID requested. [27/07/2026] - NotCVE ID reserved. [27/07/2026] - Published as NotCVE-2026-0010. [-] Credit: Discovered by Christopher Duram (https://www.linkedin.com/in/christopherduram/). [-] References: https://notcve.org/notcve/NotCVE-2026-0010 https://github.com/cduram/NotCVE-2026-0010 https://github.com/cduram/NotCVE-2026-0010/blob/main/Debauchee_Barrier_Privesc.py https://github.com/debauchee/barrier/releases/tag/v2.4.0 https://github.com/debauchee/barrier/blob/master/src/lib/ipc/Ipc.h https://github.com/debauchee/barrier/blob/master/src/lib/ipc/IpcServer.cpp https://github.com/debauchee/barrier/blob/master/src/lib/ipc/IpcClientProxy.cpp https://github.com/debauchee/barrier/blob/master/src/lib/barrier/win32/DaemonApp.cpp https://github.com/debauchee/barrier/blob/master/src/lib/platform/MSWindowsWatchdog.cpp [-] About NotCVE: NotCVE (https://notcve.org) assigns public, timestamped NotCVE IDs to vulnerabilities not acknowledged by vendors. Vendor will not assign a CVE? Request a NotCVE: https://notcve.org/form/ · Contributors: https://notcve.org/hall/ _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
VULNARCHIVE GNA GNA-1988
GNA scorecard E 38/100 over 445 records in the last 180 days details
Impacted products
Vendor Product Version
Barrier Project Barrier Affected: unknown
Create a notification for this product.
Credits

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GCVE-1988-2026-0149

Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-07 13:20
VLAI
Title
[0day-rubbish] RoboTask 11.0.5.1229 Unauthenticated REST API remote task execution (9.8)
Summary
0day Rubbish Research Team is publicly disclosing a vulnerability in RoboTask 11.0.5.1229. Type: Unauthenticated REST API remote task execution (CWE-306) CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Impact: Unauthenticated attacker enumerates and triggers pre-existing tasks with Administrator privileges Authentication: unauthenticated / pre-auth Full technical analysis and a reproducible proof-of-concept: https://0day-rubbish.com/blog/robotask-rest-api-unauth-task-execution Project archive (ongoing disclosure series): https://github.com/Exploit-Garbage/0day-Rubbish Vendor has been notified. CVE ID is pending. -- 0day Rubbish Research Team disclosure () 0day-rubbish com https://0day-rubbish.com _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
CWE
Assigner
VULNARCHIVE GNA GNA-1988
GNA scorecard E 38/100 over 445 records in the last 180 days details
Impacted products
Vendor Product Version
unknown RoboTask Affected: unknown
Create a notification for this product.

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GCVE-1988-2026-0146

Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-07 13:20
VLAI
Title
[0day-rubbish] Datalore On-Premises 2026.2.3 Unauthenticated RCE via InteractiveReport access-mapping flaw (9.8)
Summary
0day Rubbish Research Team is publicly disclosing a vulnerability in Datalore On-Premises 2026.2.3. Type: Unauthenticated RCE via InteractiveReport access-mapping flaw (CWE-306) CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) Impact: Anonymous attacker executes arbitrary code in the notebook agent container Authentication: unauthenticated / pre-auth Full technical analysis and a reproducible proof-of-concept: https://0day-rubbish.com/blog/jetbrains-datalore-interactive-report-unauth-rce Project archive (ongoing disclosure series): https://github.com/Exploit-Garbage/0day-Rubbish Vendor has been notified. CVE ID is pending. -- 0day Rubbish Research Team disclosure () 0day-rubbish com https://0day-rubbish.com _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
CWE
Assigner
VULNARCHIVE GNA GNA-1988
GNA scorecard E 38/100 over 445 records in the last 180 days details
Impacted products

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GCVE-1988-2026-0137

Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-09 10:08
VLAI
Title
[0day-rubbish] Leostream Connection Broker 9.1.37.0 two vulnerabilities (SQLi to root RCE, unauth SSRF)
Summary
0day Rubbish Research Team is publicly disclosing two vulnerabilities in Leostream Connection Broker 9.1.37.0. Vulnerability 1 — Authenticated SQL injection to webshell to root RCE (CVSS 9.1, CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, CWE-89) call_back.pl?action=user concatenates the unsigned _where parameter into a PostgreSQL WHERE clause; the default installation grants SUPERUSER, runs postgres as the webroot owner, and configures NOPASSWD sudo, so lo_export writes a webshell and /welcome.pl?c= triggers commands as root. Vulnerability 2 — Unauthenticated rogue-agent registration + SSRF (CVSS 7.0, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, CWE-306) Server.Register is dispatched without the session gate and its token check is optional, letting an anonymous caller inject VM records and drive broker outbound TLS connections to attacker-controlled hosts. Authentication: Vulnerability 1 authenticated (requires valid session); Vulnerability 2 unauthenticated / pre-auth. Full technical analyses and reproducible proofs-of-concept: https://0day-rubbish.com/blog/leostream-postauth-sqli-lo-export-webshell-rce https://0day-rubbish.com/blog/leostream-unauth-server-register-ssrf Project archive (ongoing disclosure series): https://github.com/Exploit-Garbage/0day-Rubbish Vendor has been notified. CVE IDs are pending. -- 0day Rubbish Research Team disclosure () 0day-rubbish com https://0day-rubbish.com _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
Assigner
VULNARCHIVE GNA GNA-1988
GNA scorecard E 38/100 over 445 records in the last 180 days details
Impacted products

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GCVE-1988-2026-0071

Vulnerability from gna-1988 – Published: 2026-09-07 13:20 – Updated: 2026-09-11 08:08
VLAI
Title
[0day-rubbish] Call Center Suite 10.10.1 Pre-authentication RCE (auth bypass + webroot write) (9.8)
Summary
TO: fulldisclosure () seclists org SUBJECT: [0day-rubbish] Call Center Suite 10.10.1 Pre-authentication RCE (auth bypass + webroot write) (9.8) FROM: disclosure () 0day-rubbish com ----BODY---- 0day Rubbish Research Team is publicly disclosing a vulnerability in Call Center Suite 10.10.1. Type: Pre-authentication RCE (auth bypass + webroot write) (CWE-306) CVSS: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) Impact: Unauthenticated root RCE on the call center server, including call recordings, IVR configuration, and customer data. Authentication: unauthenticated / pre-auth Full technical analysis and a reproducible proof-of-concept: https://0day-rubbish.com/blog/voicent-savefile-unauth-rce Project archive (ongoing disclosure series): https://github.com/Exploit-Garbage/0day-Rubbish Vendor has been notified. CVE ID is pending. -- 0day Rubbish Research Team disclosure () 0day-rubbish com https://0day-rubbish.com _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
Severity
No CVSS data available.
CWE
Assigner
VULNARCHIVE GNA GNA-1988
GNA scorecard E 38/100 over 445 records in the last 180 days details
Impacted products

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CVE-2025-71409 (GCVE-0-2025-71409)

Vulnerability from cvelistv5 – Published: 2026-08-07 19:02 – Updated: 2026-08-10 18:24
VLAI
Title
No Authentication for Very High Frequency Data Link messages used in CPDLC
Summary
Lack of authentication for Very High Frequency Data Link messages allows rogue ground stations to inject CPDLC messages leading to unexpected or misleading clearances and potential pilot confusion. This type of attack can be carried out remotely over radio frequency.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-10 18:02 UTC
CWE
Assigner
icscert CNA under the icscert root
CNA scorecard B 75/100 over 345 records in the last 180 days details
References
Impacted products
Vendor Product Version
ATN-B1 CPDLC Affected: All versions (custom)
Create a notification for this product.
Date Public
2026-08-07 18:00
Show details on NVD website

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CVE-2025-71327 (GCVE-0-2025-71327)

Vulnerability from cvelistv5 – Published: 2026-06-25 21:41 – Updated: 2026-06-26 12:46
VLAI
Title
Flowise - Authentication Bypass via Unprotected Registration Endpoint
Summary
Flowise contains an authentication bypass vulnerability in the unprotected /api/v1/account/register endpoint that allows unauthenticated attackers to create user accounts. Remote attackers can exploit this endpoint to register arbitrary accounts and authenticate to the system, gaining full API access without credentials.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 12:46 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6906 records in the last 180 days details
References
Impacted products
Vendor Product Version
Flowise Flowise Affected: 3.0.1 (semver)
    cpe:2.3:a:flowiseai:flowise:3.0.1:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2025-11-15 00:00
Show details on NVD website

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CVE-2025-71318 (GCVE-0-2025-71318)

Vulnerability from cvelistv5 – Published: 2026-06-05 17:49 – Updated: 2026-06-08 16:14
VLAI
Title
NetMan 204 Missing Authentication for Administrative Functions
Summary
NetMan 204 fails to enforce authentication on its administrative pages and command endpoints. A remote, unauthenticated attacker can directly request administrative pages (such as administration.html, administration-commands.html, and configuration.html) to disclose sensitive information including LDAP configuration and active user details, and can invoke privileged UPS control commands — including shutdown, reboot, switch-on-bypass, and battery test — without supplying any credentials.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 16:13 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6906 records in the last 180 days details
Impacted products
Date Public
2025-02-04 00:00
Show details on NVD website

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          "tags": [
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          "url": "https://www.exploit-db.com/exploits/52183"
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          "tags": [
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          "url": "https://www.riello-ups.com/downloads/25-netman-204"
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        {
          "name": "VulnCheck Advisory: NetMan 204 Missing Authentication for Administrative Functions",
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          "url": "https://www.vulncheck.com/advisories/netman-204-missing-authentication-for-administrative-functions"
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      "title": "NetMan 204 Missing Authentication for Administrative Functions",
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2025-71318",
    "datePublished": "2026-06-05T17:49:51.355Z",
    "dateReserved": "2026-06-05T16:56:46.183Z",
    "dateUpdated": "2026-06-08T16:14:03.898Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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.