CWE-184

Incomplete List of Disallowed Inputs

The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete.

CVE-2026-34426 (GCVE-0-2026-34426)

Vulnerability from cvelistv5 – Published: 2026-04-02 18:25 – Updated: 2026-04-03 16:17 X_Open Source
VLAI
Title
OpenClaw - Approval Bypass via Environment Variable Normalization
Summary
OpenClaw versions prior to commit b57b680 contain an approval bypass vulnerability due to inconsistent environment variable normalization between approval and execution paths, allowing attackers to inject attacker-controlled environment variables into execution without approval system validation. Attackers can exploit differing normalization logic to discard non-portable keys during approval processing while accepting them at execution time, bypassing operator review and potentially influencing runtime behavior including execution of attacker-controlled binaries.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < b57b680c0c34de907d57f60c38fb358e82aef8f7 (git)
Create a notification for this product.
Date Public
2026-03-24 00:00
Credits
Zhijie Zhang
Show details on NVD website

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CVE-2026-34430 (GCVE-0-2026-34430)

Vulnerability from cvelistv5 – Published: 2026-04-01 13:34 – Updated: 2026-05-12 01:02
VLAI
Title
ByteDance DeerFlow LocalSandboxProvider Host Bash Escape
Summary
ByteDance DeerFlow versions prior to commit 92c7a20 contain a sandbox escape vulnerability in bash tool handling that allows attackers to execute arbitrary commands on the host system by bypassing regex-based validation using shell features such as directory changes and relative paths. Attackers can exploit the incomplete shell semantics modeling to read and modify files outside the sandbox boundary and achieve arbitrary command execution through subprocess invocation with shell interpretation enabled.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
Impacted products
Vendor Product Version
Bytedance Inc. DeerFlow Affected: 0 , < 92c7a20cb74addc3038d2131da78f2e239ef542e (git)
Create a notification for this product.
Credits
Chia Min Jun Lennon
Show details on NVD website

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CVE-2026-35000 (GCVE-0-2026-35000)

Vulnerability from cvelistv5 – Published: 2026-04-01 18:09 – Updated: 2026-04-01 19:06 X_Open Source
VLAI
Title
ChangeDetection.io < 0.54.7 SafeXPath3Parser Bypass Arbitrary File Read
Summary
ChangeDetection.io versions prior to 0.54.7 contain a protection bypass vulnerability in the SafeXPath3Parser implementation that allows attackers to read arbitrary local files by using unblocked XPath 3.0/3.1 functions such as json-doc() and similar file-access primitives. Attackers can exploit the incomplete blocklist of dangerous XPath functions to access sensitive data from the local filesystem.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
Impacted products
Vendor Product Version
dgtlmoon ChangeDetection.io Affected: 0 , < 0.54.7 (semver)
Unaffected: dadc804567a51f803cd6715f7885c11a247915f6 (git)
Create a notification for this product.
Credits
Neo by ProjectDiscovery (https://neo.projectdiscovery.io)
Show details on NVD website

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CVE-2026-35410 (GCVE-0-2026-35410)

Vulnerability from cvelistv5 – Published: 2026-04-06 21:32 – Updated: 2026-04-07 15:09
VLAI
Title
Directus has an Open Redirect via Parser Bypass in OAuth2/SAML Authentication Flow
Summary
Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.16.1, an open redirect vulnerability exists in the login redirection logic. The isLoginRedirectAllowed function fails to correctly identify certain malformed URLs as external, allowing attackers to bypass redirect allow-list validation and redirect users to arbitrary external domains upon successful authentication. This vulnerability is fixed in 11.16.1.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
Impacted products
Vendor Product Version
directus directus Affected: < 11.16.1
Create a notification for this product.
Show details on NVD website

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CVE-2026-39315 (GCVE-0-2026-39315)

Vulnerability from cvelistv5 – Published: 2026-04-09 17:54 – Updated: 2026-04-13 15:38
VLAI
Title
Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()
Summary
Unhead is a document head and template manager. Prior to 2.1.13, useHeadSafe() is the composable that Nuxt's own documentation explicitly recommends for rendering user-supplied content in <head> safely. Internally, the hasDangerousProtocol() function in packages/unhead/src/plugins/safe.ts decodes HTML entities before checking for blocked URI schemes (javascript:, data:, vbscript:). The decoder uses two regular expressions with fixed-width digit caps. The HTML5 specification imposes no limit on leading zeros in numeric character references. When a padded entity exceeds the regex digit cap, the decoder silently skips it. The undecoded string is then passed to startsWith('javascript:'), which does not match. makeTagSafe() writes the raw value directly into SSR HTML output. The browser's HTML parser decodes the padded entity natively and constructs the blocked URI. This vulnerability is fixed in 2.1.13.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
Impacted products
Vendor Product Version
unjs unhead Affected: < 2.1.13
Create a notification for this product.
Show details on NVD website

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CVE-2026-40077 (GCVE-0-2026-40077)

Vulnerability from cvelistv5 – Published: 2026-04-09 19:27 – Updated: 2026-04-13 20:19
VLAI
Title
Beszel has an IDOR in hub API endpoints that read system ID from URL parameter
Summary
Beszel is a server monitoring platform. Prior to 0.18.7, some API endpoints in the Beszel hub accept a user-supplied system ID and proceed without further checks that the user should have access to that system. As a result, any authenticated user can access these routes for any system if they know the system's ID. System IDs are random 15 character alphanumeric strings, and are not exposed to all users. However, it is theoretically possible for an authenticated user to enumerate a valid system ID via web API. To use the containers endpoints, the user would also need to enumerate a container ID, which is 12 digit hexadecimal string. This vulnerability is fixed in 0.18.7.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
Impacted products
Vendor Product Version
henrygd beszel Affected: < 0.18.7
Create a notification for this product.
Show details on NVD website

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CVE-2026-40893 (GCVE-0-2026-40893)

Vulnerability from cvelistv5 – Published: 2026-05-14 15:18 – Updated: 2026-05-14 18:08
VLAI
Title
Gotenberg: ExifTool Dangerous Tag Blocklist Bypass via Group-Prefixed Tag Names Allows Arbitrary File Rename and Move
Summary
Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, Gotenberg only checks if the tag is exactly FileName, so System:FileName slips right through and ExifTool happily renames the file. This allows remote attackers to move, rename, and change permissions for arbitrary files. This vulnerability is fixed in 8.31.0.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-73 - External Control of File Name or Path
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
Impacted products
Vendor Product Version
gotenberg gotenberg Affected: < 8.31.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-41206 (GCVE-0-2026-41206)

Vulnerability from cvelistv5 – Published: 2026-04-23 00:42 – Updated: 2026-04-23 16:23
VLAI
Title
PySpector has a Plugin Code Execution Bypass via Incomplete Static Analysis in PluginSecurity.validate_plugin_code
Summary
PySpector is a static analysis security testing (SAST) Framework engineered for modern Python development workflows. The plugin security validator in PySpector uses AST-based static analysis to prevent dangerous code from being loaded as plugins. Prior to version 0.1.8, the blocklist implemented in `PluginSecurity.validate_plugin_code` is incomplete and can be bypassed using several Python constructs that are not checked. An attacker who can supply a plugin file can achieve arbitrary code execution within the PySpector process when that plugin is installed and executed. Version 0.1.8 fixes the issue.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
Impacted products
Vendor Product Version
ParzivalHack PySpector Affected: < 0.1.8
Create a notification for this product.
Show details on NVD website

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CVE-2026-41264 (GCVE-0-2026-41264)

Vulnerability from cvelistv5 – Published: 2026-04-23 20:00 – Updated: 2026-04-24 13:39
VLAI
Title
Flowise: CSV Agent Prompt Injection Remote Code Execution Vulnerability
Summary
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific flaw exists within the run method of the CSV_Agents class. The issue results from the lack of proper sandboxing when evaluating an LLM generated python script. An attacker can leverage this vulnerability to execute code in the context of the user running the server. Using prompt injection techniques, an unauthenticated attacker with the ability to send prompts to a chatflow using the CSV Agent node may convince an LLM to respond with a malicious python script that executes attacker controlled commands on the Flowise server. This vulnerability is fixed in 3.1.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
Impacted products
Vendor Product Version
FlowiseAI Flowise Affected: < 3.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-41332 (GCVE-0-2026-41332)

Vulnerability from cvelistv5 – Published: 2026-04-23 21:57 – Updated: 2026-04-24 18:19 X_Open Source
VLAI
Title
OpenClaw < 2026.3.28 - Code Execution via Missing Environment Variable Blocklist
Summary
OpenClaw before 2026.3.28 contains an environment variable sanitization vulnerability where GIT_TEMPLATE_DIR and AWS_CONFIG_FILE are not blocked in the host-env blocklist. Attackers can exploit approved exec requests to redirect git or AWS CLI behavior through attacker-controlled configuration files to execute untrusted code or load malicious credentials.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.3.28 (semver)
Unaffected: 2026.3.28 (semver)
Create a notification for this product.
Date Public
2026-03-29 00:00
Credits
Nicky (@nicky-cc)
Show details on NVD website

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Mitigation

Phase: Implementation

Strategy: Input Validation

Description:

  • Do not rely exclusively on detecting disallowed inputs. There are too many variants to encode a character, especially when different environments are used, so there is a high likelihood of missing some variants. Only use detection of disallowed inputs as a mechanism for detecting suspicious activity. Ensure that you are using other protection mechanisms that only identify "good" input - such as lists of allowed inputs - and ensure that you are properly encoding your outputs.
CAPEC-120: Double Encoding

The adversary utilizes a repeating of the encoding process for a set of characters (that is, character encoding a character encoding of a character) to obfuscate the payload of a particular request. This may allow the adversary to bypass filters that attempt to detect illegal characters or strings, such as those that might be used in traversal or injection attacks. Filters may be able to catch illegal encoded strings, but may not catch doubly encoded strings. For example, a dot (.), often used in path traversal attacks and therefore often blocked by filters, could be URL encoded as %2E. However, many filters recognize this encoding and would still block the request. In a double encoding, the % in the above URL encoding would be encoded again as %25, resulting in %252E which some filters might not catch, but which could still be interpreted as a dot (.) by interpreters on the target.

CAPEC-15: Command Delimiters

An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or denylist input validation, as opposed to allowlist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or denylist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.

CAPEC-182: Flash Injection

An attacker tricks a victim to execute malicious flash content that executes commands or makes flash calls specified by the attacker. One example of this attack is cross-site flashing, an attacker controlled parameter to a reference call loads from content specified by the attacker.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters

Some APIs will strip certain leading characters from a string of parameters. An adversary can intentionally introduce leading "ghost" characters (extra characters that don't affect the validity of the request at the API layer) that enable the input to pass the filters and therefore process the adversary's input. This occurs when the targeted API will accept input data in several syntactic forms and interpret it in the equivalent semantic way, while the filter does not take into account the full spectrum of the syntactic forms acceptable to the targeted API.

CAPEC-43: Exploiting Multiple Input Interpretation Layers

An attacker supplies the target software with input data that contains sequences of special characters designed to bypass input validation logic. This exploit relies on the target making multiples passes over the input data and processing a "layer" of special characters with each pass. In this manner, the attacker can disguise input that would otherwise be rejected as invalid by concealing it with layers of special/escape characters that are stripped off by subsequent processing steps. The goal is to first discover cases where the input validation layer executes before one or more parsing layers. That is, user input may go through the following logic in an application: <parser1> --> <input validator> --> <parser2>. In such cases, the attacker will need to provide input that will pass through the input validator, but after passing through parser2, will be converted into something that the input validator was supposed to stop.

CAPEC-6: Argument Injection

An attacker changes the behavior or state of a targeted application through injecting data or command syntax through the targets use of non-validated and non-filtered arguments of exposed services or methods.

CAPEC-71: Using Unicode Encoding to Bypass Validation Logic

An attacker may provide a Unicode string to a system component that is not Unicode aware and use that to circumvent the filter or cause the classifying mechanism to fail to properly understanding the request. That may allow the attacker to slip malicious data past the content filter and/or possibly cause the application to route the request incorrectly.

CAPEC-73: User-Controlled Filename

An attack of this type involves an adversary inserting malicious characters (such as a XSS redirection) into a filename, directly or indirectly that is then used by the target software to generate HTML text or other potentially executable content. Many websites rely on user-generated content and dynamically build resources like files, filenames, and URL links directly from user supplied data. In this attack pattern, the attacker uploads code that can execute in the client browser and/or redirect the client browser to a site that the attacker owns. All XSS attack payload variants can be used to pass and exploit these vulnerabilities.

CAPEC-85: AJAX Footprinting

This attack utilizes the frequent client-server roundtrips in Ajax conversation to scan a system. While Ajax does not open up new vulnerabilities per se, it does optimize them from an attacker point of view. A common first step for an attacker is to footprint the target environment to understand what attacks will work. Since footprinting relies on enumeration, the conversational pattern of rapid, multiple requests and responses that are typical in Ajax applications enable an attacker to look for many vulnerabilities, well-known ports, network locations and so on. The knowledge gained through Ajax fingerprinting can be used to support other attacks, such as XSS.

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