Common Weakness Enumeration

CWE-183

Allowed

Permissive List of Allowed 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 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.

106 vulnerabilities reference this CWE, most recent first.

CVE-2026-106510 (GCVE-0-2026-106510)

Vulnerability from cvelistv5 – Published: 2026-10-07 14:36 – Updated: 2026-10-07 17:15
VLAI
Title
Backstage: Remote code execution via crafted markdown_extensions in TechDocs mkdocs.yml
Summary
Backstage is an open framework for building developer portals. Prior to 1.14.6, the @backstage/plugin-techdocs-node package is affected by remote code execution via crafted markdown_extensions in techdocs mkdocs.yml. An authenticated user who can register catalog entities can provide a crafted mkdocs.yml causing arbitrary OS command execution on the TechDocs build host when the docs are built. This issue is fixed in versions 1.14.6 and 1.15.4.
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 17:13 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
  • CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7661 records in the last 180 days details
References
Impacted products
Vendor Product Version
backstage backstage Affected: < 1.50.5
Affected: >= 1.51.0-next.0, < 1.54.6
Create a notification for this product.
@backstage plugin-techdocs-node Affected: < 1.14.6
Affected: >= 1.15.0, < 1.15.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-103687 (GCVE-0-2026-103687)

Vulnerability from cvelistv5 – Published: 2026-10-01 14:30 – Updated: 2026-10-01 15:07 X_Open Source
VLAI
Title
rhukster dom-sanitizer SVG Sanitization DOMSanitizer.php url incomplete blacklist
Summary
A vulnerability has been found in rhukster dom-sanitizer up to 1.0.15. The affected element is the function url of the file src/DOMSanitizer.php of the component SVG Sanitization. Such manipulation leads to incomplete blacklist. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.16 is sufficient to fix this issue. The name of the patch is 139c46c3d7c9bc81542b7b5a58d5cde5d0e0195a. Upgrading the affected component is recommended.
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:O/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:O/RC:C
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-01 15:06 UTC
CWE
  • CWE-184 - Incomplete Blacklist
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3882 records in the last 180 days details
References
Impacted products
Vendor Product Version
rhukster dom-sanitizer Affected: 1.0.0
Affected: 1.0.1
Affected: 1.0.2
Affected: 1.0.3
Affected: 1.0.4
Affected: 1.0.5
Affected: 1.0.6
Affected: 1.0.7
Affected: 1.0.8
Affected: 1.0.9
Affected: 1.0.10
Affected: 1.0.11
Affected: 1.0.12
Affected: 1.0.13
Affected: 1.0.14
Affected: 1.0.15
Unaffected: 1.0.16
    cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
0xMo-Error (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-96229 (GCVE-0-2026-96229)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-14 17:58
VLAI
Title
.NET Information Disclosure Vulnerability
Summary
Permissive list of allowed inputs in .NET allows an unauthorized attacker to disclose information over a network.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/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-183 - Permissive List of Allowed Inputs
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3924 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-2026-90808 (GCVE-0-2026-90808)

Vulnerability from cvelistv5 – Published: 2026-09-14 18:00 – Updated: 2026-09-14 19:13 X_Open Source
VLAI
Title
HKUDS nanobot ExecTool shell.py ExecTool._spawn incomplete blacklist
Summary
A vulnerability was determined in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component ExecTool. This manipulation causes incomplete blacklist. It is possible to initiate the attack remotely. Patch name: af582246f141311d574551b7571a517bcc3df750. Applying a patch is the recommended action to fix this issue.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 19:12 UTC
CWE
  • CWE-184 - Incomplete Blacklist
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3882 records in the last 180 days details
References
Impacted products
Vendor Product Version
HKUDS nanobot Affected: 0.2.0
Affected: 0.2.1
    cpe:2.3:a:nanobot:nanobot:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Eric-a (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-89106 (GCVE-0-2026-89106)

Vulnerability from cvelistv5 – Published: 2026-10-13 00:23 – Updated: 2026-10-13 13:28
VLAI
Title
Cross Site Scripting (XSS) vulnerability in SAPUI5
Summary
SAP UI5 does not perform sufficient input validation under certain configurations. An attacker with low privileges could submit specially crafted content that is later rendered in a victim's browser. This vulnerability has a low impact on confidentiality and integrity. There is no impact on availability.
Severity
4.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 13:11 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
sap CNA under the mitre root
CNA scorecard C 65/100 over 117 records in the last 180 days details
References
Impacted products
Vendor Product Version
SAP_SE SAPUI5 Affected: SAP_UI 750
Affected: 754
Affected: 755
Affected: 756
Affected: 757
Affected: 758
Affected: 816
Affected: UI_700 200
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-67345 (GCVE-0-2026-67345)

Vulnerability from cvelistv5 – Published: 2026-07-30 14:39 – Updated: 2026-08-14 16:50 X_Open Source
VLAI
Title
MaxKey 4.1.12 DefaultRedirectResolver OAuth Authorization Code Theft
Summary
MaxKey through 4.1.12, fixed in commit ddbb72f, contains an insufficient redirect URI validation vulnerability in DefaultRedirectResolver.hostMatches() that allows remote attackers to hijack OAuth 2.0 authorization codes by supplying a crafted redirect_uri whose hostname suffix matches a registered URI without proper dot-boundary anchoring. Attackers who control a domain ending with the registered redirect URI hostname can social-engineer victims into clicking a crafted authorization URL, causing the authorization code to be issued to the attacker-controlled URI and exchanged for an access token granting access to the victim's identity.
Severity
8.5 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 17:28 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6106 records in the last 180 days details
References
Impacted products
Vendor Product Version
dromara MaxKey Affected: 0 , ≤ 4.1.12 (semver)
Unaffected: ddbb72fb24ab8e66aa422fb14b1177330bcffb45 (git)
    cpe:2.3:a:maxkey:maxkey:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-18 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-67315 (GCVE-0-2026-67315)

Vulnerability from cvelistv5 – Published: 2026-08-01 12:22 – Updated: 2026-08-03 15:37
VLAI
Title
axios 0.31.0 before 0.33.0 and 1.15.0 before 1.18.0 NO_PROXY Bypass via 0.0.0.0
Summary
axios versions 0.31.0 before 0.33.0 and 1.15.0 before 1.18.0 fail to recognize 0.0.0.0 as a loopback address in shouldBypassProxy.js, allowing requests to 0.0.0.0 to bypass NO_PROXY rules. Attackers can supply 0.0.0.0 URLs to route requests through configured proxies, potentially exposing local services when the proxy can reach the destination.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-03 14:46 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6106 records in the last 180 days details
References
Impacted products
Vendor Product Version
axios axios Affected: 1.15.0 , < 1.18.0 (semver)
Unaffected: 1.18.0 (semver)
Create a notification for this product.
axios axios Affected: 0.31.0 , < 0.33.0 (semver)
Unaffected: 0.33.0 (semver)
Create a notification for this product.
Date Public
2026-07-06 00:00
Credits
jayant-eai
Show details on NVD website
To clipboard 

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CVE-2026-66005 (GCVE-0-2026-66005)

Vulnerability from cvelistv5 – Published: 2026-07-24 14:57 – Updated: 2026-09-17 17:54 X_Open Source
VLAI
Title
Jan Local API Server CORS Origin Reflection via 0.0.0.0 Binding
Summary
Jan through 0.8.4, fixed in commit 3e1c1e7, contains a CORS misconfiguration vulnerability in its local API server that allows network-adjacent attackers to bypass trusted host restrictions by exploiting the server's replacement of user-configured trusted hosts with a wildcard that reflects arbitrary origins with credentials. Attackers on the local network or using DNS rebinding can reach the unauthenticated OpenAI-compatible API to perform inference, enumerate models, invoke MCP tools, and read cross-origin responses.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 15:32 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
  • CWE-942 - Permissive Cross-domain Security Policy with Untrusted Domains
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6106 records in the last 180 days details
References
Impacted products
Vendor Product Version
janhq jan Affected: 0 , ≤ 0.8.4 (semver)
Unaffected: 3e1c1e724f696620d89bb4a9cc18a380e0753757 (git)
Create a notification for this product.
Date Public
2026-07-19 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63649 (GCVE-0-2026-63649)

Vulnerability from cvelistv5 – Published: 2026-08-14 22:13 – Updated: 2026-08-17 15:38
VLAI
Summary
The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via crafted options that bypass whitelist checks
Severity
4.1 (Medium)
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 15:22 UTC
CWE
  • CWE-183 - Permissive list of allowed inputs
Assigner
OpenVPN CNA under the mitre root
CNA scorecard C 74/100 over 27 records in the last 180 days details
References
Impacted products
Vendor Product Version
OpenVPN OpenVPN Affected: 2.4.0 , < 2.6.22 (semver)
Affected: 2.7_alpha1 , < 2.7.6 (semver)
Create a notification for this product.
Date Public
2026-07-29 16:00
Show details on NVD website
To clipboard 

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CVE-2026-59802 (GCVE-0-2026-59802)

Vulnerability from cvelistv5 – Published: 2026-07-08 19:42 – Updated: 2026-07-14 22:03 X_Open Source
VLAI
Title
PasswordPusher < 2.8.1 - Redirect-Based XSS via data URI in URL Push Payload
Summary
PasswordPusher before 2.8.1 accepts data URI schemes in URL push payloads due to insufficient validation in the valid_url function. Attackers can create malicious pushes containing data:text/html URIs that execute arbitrary JavaScript in victims' browsers when clicked, enabling phishing and credential theft under the trusted PasswordPusher domain.
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 14:28 UTC
CWE
  • CWE-183 - Permissive List of Allowed Inputs
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6106 records in the last 180 days details
References
Impacted products
Vendor Product Version
PasswordPusher PasswordPusher Affected: 0 , < 2.8.1 (semver)
Unaffected: 2.8.1 (semver)
    cpe:2.3:a:apnotic:password_pusher:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-30 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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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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