CWE-183

Permissive List of Allowed Inputs

The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are explicitly allowed by policy because the inputs are assumed to be safe, but the list is too permissive - that is, it allows an input that is unsafe, leading to resultant weaknesses.

CVE-2024-38522 (GCVE-0-2024-38522)

Vulnerability from cvelistv5 – Published: 2024-06-28 17:03 – Updated: 2024-08-02 04:12
VLAI
Title
CSP bypass in Hush Line
Summary
Hush Line is a free and open-source, anonymous-tip-line-as-a-service for organizations or individuals. The CSP policy applied on the `tips.hushline.app` website and bundled by default in this repository is trivial to bypass. This vulnerability has been patched in version 0.1.0.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
References
Impacted products
Vendor Product Version
scidsg hushline Affected: < 0.1.0
Create a notification for this product.
Show details on NVD website

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CVE-2024-47565 (GCVE-0-2024-47565)

Vulnerability from cvelistv5 – Published: 2024-10-08 08:40 – Updated: 2026-03-10 16:07
VLAI
Summary
A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). The affected application does not properly validate that user input complies with a list of allowed values. This could allow an authenticated remote attacker to compromise the integrity of the configuration of the affected application.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
Impacted products
Vendor Product Version
Siemens SINEC Security Monitor Affected: 0 , < V4.9.0 (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2025-53762 (GCVE-0-2025-53762)

Vulnerability from cvelistv5 – Published: 2025-07-18 17:04 – Updated: 2026-02-26 17:50 Exclusively Hosted Service
VLAI
Title
Microsoft Purview Elevation of Privilege Vulnerability
Summary
Permissive list of allowed inputs in Microsoft Purview allows an authorized attacker to elevate privileges over a network.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
References
Impacted products
Date Public
2025-07-18 07:00
Show details on NVD website

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CVE-2026-21915 (GCVE-0-2026-21915)

Vulnerability from cvelistv5 – Published: 2026-04-09 21:26 – Updated: 2026-04-13 13:04
VLAI
Title
JSI Virtual Lightweight Collector: Shell escape allows privilege escalation to root
Summary
A Permissive List of Allowed Input vulnerability in the CLI of Juniper Networks Support Insights (JSI) Virtual Lightweight Collector (vLWC) allows a local, high privileged attacker to escalate their privileges to root. The CLI menu accepts input without carefully validating it, which allows for shell command injection. These shell commands are executed with root permissions and can be used to gain complete control of the system. This issue affects all JSI vLWC versions before 3.0.94.
CWE
  • CWE-183 - Permissive List of Allowed Input
Assigner
References
URL Tags
https://kb.juniper.net/JSA106016 vendor-advisory
Impacted products
Vendor Product Version
Juniper Networks JSI LWC Affected: 0 , < 3.0.94 (semver)
Create a notification for this product.
Date Public
2026-04-08 16:00
Show details on NVD website

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CVE-2026-2303 (GCVE-0-2026-2303)

Vulnerability from cvelistv5 – Published: 2026-02-10 19:03 – Updated: 2026-02-11 15:16
VLAI
Title
Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enables application crash or information leak
Summary
The mongo-go-driver repository contains CGo bindings for GSSAPI (Kerberos) authentication on Linux and macOS. The C wrapper implementation contains a heap out-of-bounds read vulnerability due to incorrect assumptions about string termination in the GSSAPI standard. Since GSSAPI buffers are not guaranteed to be null-terminated or have extra padding, this results in reading one byte past the allocated heap buffer.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
References
Impacted products
Vendor Product Version
MongoDB Inc MongoDB Go Driver Affected: 1.0.0 , < 1.17.7 (semver)
Affected: 2.0.0 , < 2.4.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-29514 (GCVE-0-2026-29514)

Vulnerability from cvelistv5 – Published: 2026-05-04 16:05 – Updated: 2026-05-21 14:38 X_Open Source
VLAI
Title
NetBox 4.3.5 - 4.5.4 RCE via RenderTemplateMixin
Summary
NetBox versions 4.3.5 through 4.5.4 contain a remote code execution vulnerability in the RenderTemplateMixin.get_environment_params() method that allows authenticated users with exporttemplate or configtemplate permissions to execute arbitrary code by specifying malicious Python callables in the environment_params field. Attackers can bypass Jinja2 SandboxedEnvironment protections by setting the finalize parameter to any importable Python callable such as subprocess.getoutput, which is invoked on every rendered expression outside the sandbox's call interception mechanism, achieving remote code execution as the NetBox service user.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
Impacted products
Vendor Product Version
netbox-community netbox Affected: 4.3.5 , ≤ 4.5.4 (semver)
Create a notification for this product.
Date Public
2026-05-01 00:00
Credits
Valentin Lobstein (Chocapikk)
Show details on NVD website

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CVE-2026-32881 (GCVE-0-2026-32881)

Vulnerability from cvelistv5 – Published: 2026-03-20 01:18 – Updated: 2026-03-20 20:03
VLAI
Title
ewe has an Overly Permissive List of Allowed Inputs
Summary
ewe is a Gleam web server. ewe is a Gleam web server. Versions 0.6.0 through 3.0.4 are vulnerable to authentication bypass or spoofed proxy-trust headers. Chunked transfer encoding trailer handling merges declared trailer fields into req.headers after body parsing, but the denylist only blocks 9 header names. A malicious client can exploit this by declaring these headers in the Trailer field and appending them after the final chunk, causing request.set_header to overwrite legitimate values (e.g., those set by a reverse proxy). This enables attackers to forge authentication credentials, hijack sessions, bypass IP-based rate limiting, or spoof proxy-trust headers in any downstream middleware that reads headers after ewe.read_body is called. This issue has been fixed in version 3.0.5.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
Impacted products
Vendor Product Version
vshakitskiy ewe Affected: >= 0.6.0, < 3.0.5
Create a notification for this product.
Show details on NVD website

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CVE-2026-33979 (GCVE-0-2026-33979)

Vulnerability from cvelistv5 – Published: 2026-03-27 21:29 – Updated: 2026-03-31 14:29
VLAI
Title
Express XSS Sanitizer: allowedTags/allowedAttributes bypass leads to permissive sanitization (XSS risk)
Summary
Express XSS Sanitizer is Express 4.x and 5.x middleware which sanitizes user input data (in req.body, req.query, req.headers and req.params) to prevent Cross Site Scripting (XSS) attack. A vulnerability has been identified in versions prior to 2.0.2 where restrictive sanitization configurations are silently ignored. In version 2.0.2, the validation logic has been updated to respect explicitly provided empty configurations. Now, if allowedTags or allowedAttributes are provided (even if empty), they are passed directly to sanitize-html without being overridden.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
Impacted products
Show details on NVD website

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CVE-2026-35649 (GCVE-0-2026-35649)

Vulnerability from cvelistv5 – Published: 2026-04-10 16:03 – Updated: 2026-04-13 15:37 X_Open Source
VLAI
Title
OpenClaw < 2026.3.22 - Settings Reconciliation Bypass via Empty Allowlist
Summary
OpenClaw before 2026.3.22 contains a settings reconciliation vulnerability that allows attackers to bypass intended deny-all revocations by exploiting empty allowlist handling. The vulnerability treats explicit empty allowlists as unset during reconciliation, silently undoing intended access control denials and restoring previously revoked permissions.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.3.22 (semver)
Unaffected: 2026.3.22 (semver)
Create a notification for this product.
Date Public
2026-03-24 00:00
Credits
Peng Zhou (@zpbrent)
Show details on NVD website

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CVE-2026-40899 (GCVE-0-2026-40899)

Vulnerability from cvelistv5 – Published: 2026-04-16 19:48 – Updated: 2026-04-18 02:43
VLAI
Title
DataEase has an Arbitrary File Read Vulnerability
Summary
DataEase is an open-source data visualization and analytics platform. Versions 2.10.20 and below contain a JDBC parameter blocklist bypass vulnerability in the MySQL datasource configuration. The Mysql class uses Lombok's @Data annotation, which auto-generates a public setter for the illegalParameters field that contains the JDBC security blocklist. When a datasource configuration is submitted as JSON, Jackson deserialization calls setIllegalParameters with an attacker-supplied empty list, replacing the blocklist before getJdbc() validation runs. This allows an authenticated attacker to include dangerous JDBC parameters such as allowLoadLocalInfile=true, and by pointing the datasource at a rogue MySQL server, exploit the LOAD DATA LOCAL INFILE protocol feature to read arbitrary files from the DataEase server filesystem, including sensitive environment variables and database credentials. This issue has been fixed in version 2.10.21.
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
References
Impacted products
Vendor Product Version
dataease dataease Affected: < 2.10.21
Create a notification for this product.
Show details on NVD website

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No mitigation information available for this CWE.

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-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-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.

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