Common Weakness Enumeration

CWE-184

Allowed

Incomplete List of Disallowed Inputs

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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.

465 vulnerabilities reference this CWE, most recent first.

CVE-2026-116339 (GCVE-0-2026-116339)

Vulnerability from cvelistv5 – Published: 2026-10-26 14:30 – Updated: 2026-10-26 16:15
VLAI
Title
iFlytek astron-agent DDL Whitelist exec_ddl.py incomplete blacklist
Summary
A vulnerability was determined in iFlytek astron-agent up to 1.1.2. This affects an unknown function of the file core/memory/database/api/v1/exec_ddl.py of the component DDL Whitelist Handler. This manipulation causes incomplete blacklist. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 16:08 UTC
CWE
  • CWE-184 - Incomplete Blacklist
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3873 records in the last 180 days details
References
Impacted products
Vendor Product Version
iFlytek astron-agent Affected: 1.1.0
Affected: 1.1.1
Affected: 1.1.2
    cpe:2.3:a:iflytek:astron-agent:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
qyf20051010 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2026-115845 (GCVE-0-2026-115845)

Vulnerability from cvelistv5 – Published: 2026-10-23 19:04 – Updated: 2026-10-23 19:04 Exclusively Hosted Service
VLAI
Title
Incomplete validation in the run_script Python sandbox in AWS MCP Server
Summary
An incomplete list of disallowed inputs in the Python code validator of the run_script tool in AWS MCP Server might allow an authenticated remote user to execute arbitrary code within their own isolated session environment via a crafted script. AWS fixed this issue service-side. No customer action is required.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
CWE
  • CWE-184 - Incomplete list of disallowed inputs
Assigner
AMZN CNA under the mitre root
CNA scorecard A 94/100 over 139 records in the last 180 days details
References
Impacted products
Vendor Product Version
AWS AWS MCP Server Affected: N/A (custom)
    cpe:2.3:a:aws:aws_mcp_server:n_a:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-115751 (GCVE-0-2026-115751)

Vulnerability from cvelistv5 – Published: 2026-10-23 13:03 – Updated: 2026-10-23 13:03
VLAI
Title
mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname
Summary
Agentfront mcp-from-openapi from 2.2.0 before 2.9.0 contains a server-side request forgery vulnerability that allows attackers to bypass the ssrf.blockedHosts denylist using trailing-dot hostnames. Attackers who control an OpenAPI spec URL or redirect target can append a root dot to a blocked hostname to fetch content from operator-blocked hosts.
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
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version
agentfront mcp-from-openapi Affected: 2.2.0 , < 2.9.0 (semver)
    cpe:2.3:a:frontmcp:mcp-from-openapi:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-20 03:22
Credits
Zachariah Mithani (AploSec)
Show details on NVD website
To clipboard 

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CVE-2026-114729 (GCVE-0-2026-114729)

Vulnerability from cvelistv5 – Published: 2026-10-22 02:05 – Updated: 2026-10-26 19:39
VLAI
Summary
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass. rcube_washtml inspected the SVG SMIL animation attributes `to`, `from` and values for URIs, but not `by`; so markup such as in an HTML message caused remote content to be loaded without the user's consent, disclosing the client IP address and confirming that the message was opened. Upstream fixed this in the commit “Fix remote-content blocker bypass via SVG SMIL `by` attribute”.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 19:17 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2314 records in the last 180 days details
References
Impacted products
Vendor Product Version
Roundcube Webmail Affected: 1.6.0 , < 1.6.20 (semver)
Affected: 1.7.0 , < 1.7.5 (semver)
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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CVE-2026-114728 (GCVE-0-2026-114728)

Vulnerability from cvelistv5 – Published: 2026-10-22 02:02 – Updated: 2026-10-26 16:46
VLAI
Summary
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass in the handling of FuncIRI attributes. rcube_washtml detected the CSS url() token with a pattern that enumerated only some of its escaped spellings, so values using other CSS escape sequences, for example \000075rl( or u\72 l(, were not recognized and remote content was loaded from an HTML message without the user's consent. Upstream fixed this in the commit “Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again)”, which resolves CSS escapes before matching and also inspects the `to`, `from` and `by` attributes.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 15:53 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2314 records in the last 180 days details
References
Impacted products
Vendor Product Version
Roundcube Webmail Affected: 1.6.0 , < 1.6.20 (semver)
Affected: 1.7.0 , < 1.7.5 (semver)
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
    cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-114615 (GCVE-0-2026-114615)

Vulnerability from cvelistv5 – Published: 2026-10-22 21:10 – Updated: 2026-10-22 21:10
VLAI
Title
Authlib incomplete algorithm-confusion fix permits HMAC forgery with prefixed public keys
Summary
Authlib is a Python library which builds OAuth and OpenID Connect servers. From 1.3.1 until 1.9.0, OctKey.import_key() checks asymmetric-key markers only at byte zero while Authlib's PEM loaders accept leading whitespace, comments, or a byte-order mark. In deployments that use the documented mixed algorithm registry and already configure verification with PEM or certificate bytes containing such a prefix, an unauthenticated attacker who knows those same public-key bytes can use them as an HMAC secret and forge HS256 tokens with arbitrary identity or authorization claims. This is a bypass of the remediation for CVE-2024-37568. The module-level jwt object reaches OctKey.import_key() in authlib/jose/rfc7518/oct_key.py, where POSSIBLE_UNSAFE_KEYS fails to identify prefixed asymmetric key material. This issue is fixed in version 1.9.0.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7797 records in the last 180 days details
References
Impacted products
Vendor Product Version
authlib authlib Affected: >= 1.3.1, < 1.9.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-113605 (GCVE-0-2026-113605)

Vulnerability from cvelistv5 – Published: 2026-10-20 15:40 – Updated: 2026-10-20 18:06
VLAI
Title
Stirling-PDF 2.13.2 through 3.2.0 H2 SQL Denylist Bypass via import-database
Summary
Stirling-PDF from 2.13.2 through 3.2.0 contains an incomplete denylist in DatabaseService.validateSqlContent() that allows administrators to bypass H2 import restrictions using CREATE OR REPLACE ALIAS. Authenticated administrators can upload a crafted SQL backup to the import-database endpoint, where RUNSCRIPT defines H2 Java function aliases and restores Java-method execution.
Severity
8.6 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 18:06 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version
Stirling-Tools Stirling-PDF Affected: 2.13.2 , ≤ 3.2.0 (semver)
    cpe:2.3:a:stirling:stirling_pdf:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-17 23:55
Credits
Abraxas Labs
Show details on NVD website
To clipboard 

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CVE-2026-112777 (GCVE-0-2026-112777)

Vulnerability from cvelistv5 – Published: 2026-10-19 19:10 – Updated: 2026-10-20 16:09
VLAI
Title
Craft CMS before 4.18.8 and 5.11.0 Twig create() Blocklist Bypass Leading to RCE
Summary
Craft CMS 4.x before 4.18.8 and 5.x before 5.11.0 contains a blocklist bypass in the Twig create() function because its class-name checks are case-sensitive while PHP class resolution is not. Attackers with template-execution rights, such as Control Panel administrators, can instantiate SplFileObject via a lowercase class name to read .env secrets or write a PHP file into the webroot for remote code execution.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 15:18 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version
craftcms cms Affected: 4.0.0 , < 4.18.8 (semver)
Unaffected: 4.18.8 (semver)
Create a notification for this product.
craftcms cms Affected: 5.0.0 , < 5.11.0 (semver)
Unaffected: 5.11.0 (semver)
Create a notification for this product.
Date Public
2026-10-05 00:00
Show details on NVD website
To clipboard 

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CVE-2026-110205 (GCVE-0-2026-110205)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:49 – Updated: 2026-10-26 19:00 Unsupported When Assigned
VLAI
Title
Roo-Code through 3.54.0 Auto-Approve Bypass via Glob Token Discarding Command Substitution
Summary
Roo Code through 3.54.0 contains a command approval bypass vulnerability in parseCommandLine() that discards command substitutions placed next to * or ? glob characters. Attackers using indirect prompt injection can craft commands like echo *$(...) that match allowlisted prefixes, executing denied commands without user approval when auto-approval is enabled.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-26 19:00 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6843 records in the last 180 days details
References
Impacted products
Vendor Product Version
RooCodeInc Roo-Code Affected: 0 , ≤ 3.54.0 (semver)
    cpe:2.3:a:roocode:roo_code:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-13 00:00
Credits
Minqiang Gui Siyu Lou
Show details on NVD website
To clipboard 

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CVE-2026-108976 (GCVE-0-2026-108976)

Vulnerability from cvelistv5 – Published: 2026-10-11 20:11 – Updated: 2026-10-15 18:08
VLAI
Summary
GNU Emacs before 31.2 (and TRAMP through 2.8.2) allows OS command injection via a filename because tramp-user-regexp has an incomplete list of disallowed inputs. NOTE: this issue exists because of an incomplete fix for CVE-2026-79992.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 2026-10-15 16:18 UTC
CWE
  • CWE-184 - Incomplete List of Disallowed Inputs
Assigner
mitre CNA under the mitre root
CNA scorecard E 29/100 over 2314 records in the last 180 days details
References
Impacted products
Vendor Product Version
GNU Emacs Affected: 0 , < 31.2 (custom)
    cpe:2.3:a:gnu:emacs:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation
Implementation

Strategy: Input Validation

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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