Common Weakness Enumeration

CWE-346

Allowed-with-Review

Origin Validation Error

Abstraction: Class · Status: Draft

API response cwe.mitre.org

The product does not properly verify that the source of data or communication is valid.

1107 vulnerabilities reference this CWE, most recent first.

CVE-2026-100642 (GCVE-0-2026-100642)

Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-30 14:45
VLAI
Title
SiYuan v2.1.0 before v3.8.4 Cross-Site Request Forgery via CheckAuth
Summary
SiYuan versions from v2.1.0 before v3.8.4 contain a cross-site request forgery vulnerability in the CheckAuth lock-screen pass-through branch that grants administrator access to loopback requests without validating Origin headers. Attackers can craft malicious web pages that force victims to terminate the kernel process, read workspace configuration and proxy settings, and trigger administrative actions via zero-credential cross-origin requests from the victim's browser.
Severity
7.2 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:45 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6463 records in the last 180 days details
References
Impacted products
Vendor Product Version
siyuan-note siyuan Affected: 2.1.0 , < 3.8.4 (semver)
Unaffected: 3.8.4 (semver)
    cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-10 00:00
Credits
Yanhaoxi
Show details on NVD website
To clipboard 

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CVE-2026-100598 (GCVE-0-2026-100598)

Vulnerability from cvelistv5 – Published: 2026-09-26 02:19 – Updated: 2026-09-28 19:18
VLAI
Title
OpenClaw before 2026.7.1 Approval Binding Logic Error
Summary
OpenClaw (npm package openclaw) before 2026.7.1 incorrectly binds Signal approval reactions. In affected versions, a reaction intended to resolve a structured approval request could instead attach to ordinary outbound text when unrelated outbound messages and a pending approval are present in the same conversation. As a result, an approver's reaction to unrelated text could be interpreted as approving or denying a pending host action; the practical impact depends on the pending request, conversation timing, and the actions available to the OpenClaw process. The issue does not change the authority of correctly identified approvers. This is fixed in version 2026.7.1.
Severity
7.5 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.1 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 19:17 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6463 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.7.1 (semver)
Unaffected: 2026.7.1 (semver)
    cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-11 00:00
Credits
rexpository
Show details on NVD website
To clipboard 

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CVE-2026-97381 (GCVE-0-2026-97381)

Vulnerability from cvelistv5 – Published: 2026-10-13 21:08 – Updated: 2026-10-17 00:50
VLAI
Title
Legacy Update ActiveX control accepts unauthorized hosting origins
Summary
Legacy Update is a tool for activating and installing updates on legacy Windows PCs. Legacy Update 1.12.0 through 1.13.1 contains an origin validation error in the IsPermitted method of its ActiveX control. After successfully reading the hosting document's hostname, a hostname that is not on the permitted list falls through without setting E_ACCESSDENIED, causing IsPermitted to return S_OK. An attacker who induces a user to visit a malicious webpage in Internet Explorer can invoke the control to enumerate update and system information, install updates without consent, display dialogs, or restart the computer when a reboot is pending. This issue was fixed in Legacy Update 1.13.2.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-17 00:50 UTC
CWE
  • CWE-346 - Origin Validation Error
  • CWE-393 - Return of Wrong Status Code
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7609 records in the last 180 days details
References
Impacted products
Vendor Product Version
LegacyUpdate LegacyUpdate Affected: >= 1.12.0, < 1.13.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-97155 (GCVE-0-2026-97155)

Vulnerability from cvelistv5 – Published: 2026-09-24 03:30 – Updated: 2026-09-26 22:51
VLAI
Summary
Fabasoft Folio Client before 2026, a locally installed component that communicates with the Fabasoft browser extension via web messaging, does not restrict which web origins may invoke its functions by default. The registry value VALIDDOMAINS, which limits permitted origins, was optional and empty by default, resulting in all domains being trusted. As a consequence, any website visited by a user with the Folio Client and browser extension installed could invoke client functions, e.g., related to downloading documents, opening documents, and synchronizing files. The first fixed builds are Fabasoft Folio Client 2026 (Build 26.0.0.10) and Fabasoft Folio Client 2026 April Release (Build 26.4.0.76). This client is, for example, shipped with Fabasoft eGov-Suite.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:39 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2339 records in the last 180 days details
References
Impacted products
Vendor Product Version
Fabasoft Folio Client Affected: 0 , < 2026 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-96238 (GCVE-0-2026-96238)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:24
VLAI
Title
.NET Security Feature Bypass Vulnerability
Summary
Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:46 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-96234 (GCVE-0-2026-96234)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:24
VLAI
Title
.NET Information Disclosure Vulnerability
Summary
Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:46 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-94486 (GCVE-0-2026-94486)

Vulnerability from cvelistv5 – Published: 2026-10-02 15:12 – Updated: 2026-10-02 16:20
VLAI
Title
Next.js: Information disclosure in the Next.js development server's Model Context Protocol endpoint
Summary
Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the next dev development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a developer can reach the endpoint and read the project's disk location, source code snippets from error reports, route inventory, and development logs. Production deployments do not serve this endpoint. This issue is fixed in version 16.3.8.
Severity
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:20 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7609 records in the last 180 days details
References
Impacted products
Vendor Product Version
vercel next.js Affected: >= 16.0.0, < 16.3.8
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-94485 (GCVE-0-2026-94485)

Vulnerability from cvelistv5 – Published: 2026-10-02 15:23 – Updated: 2026-10-02 16:05
VLAI
Title
Next.js: Information disclosure in Next.js App Router metadata image routes via dynamicParams bypass
Summary
Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the `next dev` development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a developer can reach the endpoint and read the project's disk location, source code snippets from error reports, route inventory, and development logs. Production deployments do not serve this endpoint. This issue is fixed in version 16.3.8.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 16:04 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7609 records in the last 180 days details
References
Impacted products
Vendor Product Version
vercel next.js Affected: >= 16.0.0, < 16.3.8
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-94243 (GCVE-0-2026-94243)

Vulnerability from cvelistv5 – Published: 2026-09-23 09:43 – Updated: 2026-09-23 17:08
VLAI
Title
Apache Sling Security Bundle: RefererFilter accepts weaker-than-origin evidence
Summary
A vulnerability in Apache Sling Security Bundle: the ReferrerFilter accepts weaker-than-orgin evidence. This issue affects Apache Sling Security Bundle: before 1.3.2. Users are recommended to upgrade to version 1.3.2, which fixes the issue.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 15:16 UTC
CWE
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1004 records in the last 180 days details
References
Impacted products
Credits
The Apache Software Foundation Claude Code
Show details on NVD website
To clipboard 

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CVE-2026-94111 (GCVE-0-2026-94111)

Vulnerability from cvelistv5 – Published: 2026-09-20 11:56 – Updated: 2026-09-21 14:18
VLAI
Title
Tencent BrowserSkill through 0.3.0 Origin Validation Error in Local WebSocket Daemon
Summary
Tencent BrowserSkill through 0.3.0 contains an authentication bypass vulnerability in the local daemon WebSocket origin validation that accepts any chrome-extension origin with 32 characters in range a-p. Attackers can register a malicious extension as a browser client to intercept and manipulate page content, DOM, and screenshots returned to the AI agent.
Severity
6.9 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 14:16 UTC
CWE
  • CWE-346 - Origin Validation Error
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6463 records in the last 180 days details
References
Impacted products
Vendor Product Version
Tencent BrowserSkill Affected: 0 , ≤ 0.3.0 (semver)
Create a notification for this product.
Date Public
2026-09-17 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-111: JSON Hijacking (aka JavaScript Hijacking)

An attacker targets a system that uses JavaScript Object Notation (JSON) as a transport mechanism between the client and the server (common in Web 2.0 systems using AJAX) to steal possibly confidential information transmitted from the server back to the client inside the JSON object by taking advantage of the loophole in the browser's Same Origin Policy that does not prohibit JavaScript from one website to be included and executed in the context of another website.

CAPEC-141: Cache Poisoning

An attacker exploits the functionality of cache technologies to cause specific data to be cached that aids the attackers' objectives. This describes any attack whereby an attacker places incorrect or harmful material in cache. The targeted cache can be an application's cache (e.g. a web browser cache) or a public cache (e.g. a DNS or ARP cache). Until the cache is refreshed, most applications or clients will treat the corrupted cache value as valid. This can lead to a wide range of exploits including redirecting web browsers towards sites that install malware and repeatedly incorrect calculations based on the incorrect value.

CAPEC-142: DNS Cache Poisoning

A domain name server translates a domain name (such as www.example.com) into an IP address that Internet hosts use to contact Internet resources. An adversary modifies a public DNS cache to cause certain names to resolve to incorrect addresses that the adversary specifies. The result is that client applications that rely upon the targeted cache for domain name resolution will be directed not to the actual address of the specified domain name but to some other address. Adversaries can use this to herd clients to sites that install malware on the victim's computer or to masquerade as part of a Pharming attack.

CAPEC-160: Exploit Script-Based APIs

Some APIs support scripting instructions as arguments. Methods that take scripted instructions (or references to scripted instructions) can be very flexible and powerful. However, if an attacker can specify the script that serves as input to these methods they can gain access to a great deal of functionality. For example, HTML pages support <script> tags that allow scripting languages to be embedded in the page and then interpreted by the receiving web browser. If the content provider is malicious, these scripts can compromise the client application. Some applications may even execute the scripts under their own identity (rather than the identity of the user providing the script) which can allow attackers to perform activities that would otherwise be denied to them.

CAPEC-21: Exploitation of Trusted Identifiers

An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.

CAPEC-384: Application API Message Manipulation via Man-in-the-Middle

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the content of messages. Performing this attack can allow the attacker to gain unauthorized privileges within the application, or conduct attacks such as phishing, deceptive strategies to spread malware, or traditional web-application attacks. The techniques require use of specialized software that allow the attacker to perform adversary-in-the-middle (CAPEC-94) communications between the web browser and the remote system. Despite the use of AiTH software, the attack is actually directed at the server, as the client is one node in a series of content brokers that pass information along to the application framework. Additionally, it is not true "Adversary-in-the-Middle" attack at the network layer, but an application-layer attack the root cause of which is the master applications trust in the integrity of code supplied by the client.

CAPEC-385: Transaction or Event Tampering via Application API Manipulation

An attacker hosts or joins an event or transaction within an application framework in order to change the content of messages or items that are being exchanged. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that look authentic but may contain deceptive links, substitute one item or another, spoof an existing item and conduct a false exchange, or otherwise change the amounts or identity of what is being exchanged. The techniques require use of specialized software that allow the attacker to man-in-the-middle communications between the web browser and the remote system in order to change the content of various application elements. Often, items exchanged in game can be monetized via sales for coin, virtual dollars, etc. The purpose of the attack is for the attack to scam the victim by trapping the data packets involved the exchange and altering the integrity of the transfer process.

CAPEC-386: Application API Navigation Remapping

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of links/buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains links/buttons that point to an attacker controlled destination. Some applications make navigation remapping more difficult to detect because the actual HREF values of images, profile elements, and links/buttons are masked. One example would be to place an image in a user's photo gallery that when clicked upon redirected the user to an off-site location. Also, traditional web vulnerabilities (such as CSRF) can be constructed with remapped buttons or links. In some cases navigation remapping can be used for Phishing attacks or even means to artificially boost the page view, user site reputation, or click-fraud.

CAPEC-387: Navigation Remapping To Propagate Malicious Content

An adversary manipulates either egress or ingress data from a client within an application framework in order to change the content of messages and thereby circumvent the expected application logic.

CAPEC-388: Application API Button Hijacking

An attacker manipulates either egress or ingress data from a client within an application framework in order to change the destination and/or content of buttons displayed to a user within API messages. Performing this attack allows the attacker to manipulate content in such a way as to produce messages or content that looks authentic but contains buttons that point to an attacker controlled destination.

CAPEC-510: SaaS User Request Forgery

An adversary, through a previously installed malicious application, performs malicious actions against a third-party Software as a Service (SaaS) application (also known as a cloud based application) by leveraging the persistent and implicit trust placed on a trusted user's session. This attack is executed after a trusted user is authenticated into a cloud service, "piggy-backing" on the authenticated session, and exploiting the fact that the cloud service believes it is only interacting with the trusted user. If successful, the actions embedded in the malicious application will be processed and accepted by the targeted SaaS application and executed at the trusted user's privilege level.

CAPEC-59: Session Credential Falsification through Prediction

This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.

CAPEC-60: Reusing Session IDs (aka Session Replay)

This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.

CAPEC-75: Manipulating Writeable Configuration Files

Generally these are manually edited files that are not in the preview of the system administrators, any ability on the attackers' behalf to modify these files, for example in a CVS repository, gives unauthorized access directly to the application, the same as authorized users.

CAPEC-76: Manipulating Web Input to File System Calls

An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.

CAPEC-89: Pharming

A pharming attack occurs when the victim is fooled into entering sensitive data into supposedly trusted locations, such as an online bank site or a trading platform. An attacker can impersonate these supposedly trusted sites and have the victim be directed to their site rather than the originally intended one. Pharming does not require script injection or clicking on malicious links for the attack to succeed.

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