Common Weakness Enumeration
CWE-184
AllowedIncomplete List of Disallowed Inputs
Abstraction: Base · Status: Draft
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.
372 vulnerabilities reference this CWE, most recent first.
CVE-2026-53855 (GCVE-0-2026-53855)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:05 – Updated: 2026-06-18 03:55 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.4.2 - Shell Positional Parameters Bypass in Inline-Eval Checks
Summary
OpenClaw before 2026.4.2 contains an inline-eval bypass vulnerability allowing authenticated operators to weaken strict allowlist checks via shell positional parameters. Attackers can combine allowlisted tools with shell positional arguments to place inline-eval content in shell carriers outside intended allowlist rules, enabling execution of unapproved shell-provided content.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-17 00:00 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-she… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53848 (GCVE-0-2026-53848)
Vulnerability from cvelistv5 – Published: 2026-06-16 18:04 – Updated: 2026-06-16 19:34 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.26 - Exec Allowlist Bypass via Transparent Command Wrappers
Summary
OpenClaw before 2026.5.26 contains an exec allowlist bypass vulnerability allowing authenticated operators to execute wrapper-level side effects outside allowlisted command intent. Attackers can craft command requests that bypass allowlist validation by leveraging transparent command wrappers to perform unintended operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-16 19:33 UTC
CWE
- CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-exe… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-53836 (GCVE-0-2026-53836)
Vulnerability from cvelistv5 – Published: 2026-06-12 21:56 – Updated: 2026-06-15 17:22 X_Open Source
VLAI
EPSS
VEX
Title
OpenClaw < 2026.5.12 - Allowlist Bypass via PowerShell Encoded-Command Aliases
Summary
OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in PowerShell encoded-command handling that allows attackers to execute encoded commands using abbreviated flag aliases not recognized by the allowlist parser. Remote authenticated operators can bypass execution allowlist checks by using unrecognized encoded-command alias forms to execute arbitrary PowerShell content.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-15 17:22 UTC
CWE
- CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/openclaw/openclaw/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/openclaw-all… | third-party-advisory |
Impacted products
Date Public
2026-05-28 00:00
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CVE-2026-52888 (GCVE-0-2026-52888)
Vulnerability from cvelistv5 – Published: 2026-07-15 20:13 – Updated: 2026-07-16 15:12
VLAI
EPSS
VEX
Title
NocoBase: Sensitive Data Exposure via SQL Blacklist Bypass
Summary
NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. In 2.0.59 and earlier, NocoBase @nocobase/plugin-collection-sql used the checkSQL() function in packages/plugins/@nocobase/plugin-collection-sql/src/server/utils.ts with an incomplete keyword blacklist that did not restrict PostgreSQL system catalog tables such as pg_shadow, pg_roles, and pg_stat_activity, allowing an admin-role user to read password hashes and database metadata through the SQL Collection feature. This vulnerability is fixed in 2.1.0-alpha.46.
Severity
6.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-16 14:50 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/nocobase/nocobase/security/adv… | x_refsource_CONFIRM |
| https://github.com/nocobase/nocobase/commit/87c54… | x_refsource_MISC |
| https://github.com/nocobase/nocobase/releases/tag… | x_refsource_MISC |
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CVE-2026-52776 (GCVE-0-2026-52776)
Vulnerability from cvelistv5 – Published: 2026-08-25 23:12 – Updated: 2026-08-26 14:23
VLAI
EPSS
VEX
Title
Trestle URLSecurityValidator SSRF allowlist bypass via IPv4-mapped IPv6 and 0.0.0.0
Summary
Compliance-trestle (Trestle) is a tooling platform for managing compliance as code. In versions before 3.12.4 and versions 4.0.0 through 4.0.3, the URLSecurityValidator that guards trestle's remote-fetch paths against server-side request forgery can be bypassed to reach loopback, link-local, cloud-metadata, and internal network endpoints it was designed to block. The blocklist does not canonicalize IPv4-mapped IPv6 literals such as [::ffff:169.254.169.254], which resolve to IPv6Address objects that never match the blocked IPv4 ranges, and it does not block the unspecified address 0.0.0.0, which routes to local services on Linux and inside containers. An attacker who can supply or influence an OSCAL artifact that trestle fetches, such as a malicious profile whose imports reference one of these bypass URLs, can cause the HTTPSFetcher and SFTPFetcher paths to contact cloud instance-metadata services, loopback interfaces, or internal hosts. This issue is fixed in versions 3.12.4 and 4.1.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 14:23 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/oscal-compass/compliance-trest… | x_refsource_CONFIRM |
| https://github.com/oscal-compass/compliance-trest… | x_refsource_MISC |
| https://github.com/oscal-compass/compliance-trest… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| oscal-compass | compliance-trestle |
Affected:
< 3.12.4
Affected: >= 4.0.0, < 4.1.0 |
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CVE-2026-50251 (GCVE-0-2026-50251)
Vulnerability from cvelistv5 – Published: 2026-07-22 13:08 – Updated: 2026-07-22 14:34
VLAI
EPSS
VEX
Title
Attacker supplied '0.0.0.0'/'::' glue triggers defensive full-cache flush
Summary
In NLnet Labs Unbound up to and including version 1.25.1, when 'unwanted-reply-threshold' is enabled (set to any value greater than zero), glue records of 0.0.0.0/::0 can short-circuit Unbound, on systems that can direct such traffic, by issuing DNS queries and receiving seemingly unwanted replies since the remote IP does not match the original source IP of 0.0.0.0/::0. This behavior keeps on looping for the glue records and pushing the counter to the configured 'unwanted-reply-threshold' that triggers a defensive cache clear. A malicious actor who controls a delegation that returns in-bailiwick glue of 0.0.0.0/::0 can drive the counter to the limit of 'unwanted-reply-threshold' to the threshold and trigger a cache clean of the message and rrset caches; at will, indefinitely, without sending a single spoofed packet. The iterator uses the 0.0.0.0/::0 glue, and a system that can route this (e.g., Linux kernel routes the datagram over loopback), Unbound's own listener answers from 127.0.0.1. Because of the mismatch of 0.0.0.0 and 127.0.0.1, in this example, Unbound accounts the reply as an unwanted (probably spoofed) answer. The counter resets to zero on every cache flush, so the attack loops forever.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 14:34 UTC
CWE
- CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/unbound/CVE-20… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
0 , < 1.25.2
(semver)
|
Date Public
2026-07-22 00:00
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CVE-2026-49869 (GCVE-0-2026-49869)
Vulnerability from cvelistv5 – Published: 2026-06-26 20:58 – Updated: 2026-09-03 03:55
VLAI
EPSS
VEX
Title
Kestra: Unauthenticated Remote Code Execution via Authentication Bypass in `AuthenticationFilter`
Summary
Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in Kestra OSS uses request.getPath().endsWith("/configs") to whitelist the public configuration endpoint from Basic Auth. Because the check is a suffix match rather than an exact path match, any API path whose last segment is configs bypasses authentication entirely. An unauthenticated remote attacker can exploit this to create and execute arbitrary workflows without credentials. Because Kestra ships with script execution plugins (plugin-script-shell, plugin-script-python, etc.) enabled by default, this directly results in unauthenticated Remote Code Execution as root inside the Kestra worker container. This vulnerability is fixed in 1.0.45 and 1.3.21.
Severity
10 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/kestra-io/kestra/security/advi… | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
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CVE-2026-49825 (GCVE-0-2026-49825)
Vulnerability from cvelistv5 – Published: 2026-08-20 14:42 – Updated: 2026-08-21 16:41
VLAI
EPSS
VEX
Title
lxml: javascript: URL bypass in Cleaner via xlink:href
Summary
lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 16:41 UTC
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/fedora-python/lxml_html_clean/… | x_refsource_CONFIRM |
| https://github.com/fedora-python/lxml_html_clean/… | x_refsource_MISC |
| https://github.com/lxml/lxml/commit/5927a6d5e8518… | x_refsource_MISC |
| https://github.com/fedora-python/lxml_html_clean/… | x_refsource_MISC |
| https://github.com/lxml/lxml/releases/tag/lxml-6.1.1 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| lxml | lxml |
Affected:
< 6.1.1
|
|
| fedora-python | lxml_html_clean |
Affected:
< 0.4.5
|
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CVE-2026-48736 (GCVE-0-2026-48736)
Vulnerability from cvelistv5 – Published: 2026-07-14 19:09 – Updated: 2026-07-15 13:23
VLAI
EPSS
VEX
Title
Symfony: IpUtils::PRIVATE_SUBNETS Omits IPv6 Transition Forms (6to4, NAT64, Teredo, IPv4-compatible): SSRF Bypass in NoPrivateNetworkHttpClient
Summary
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. From 5.4.0 to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, NoPrivateNetworkHttpClient and IpUtils::PRIVATE_SUBNETS omitted IPv6 transition prefixes such as 6to4, NAT64, Teredo, and IPv4-compatible IPv6, allowing attacker-supplied URLs to represent private IPv4 targets in forms that IpUtils::isPrivateIp() did not block. This issue is fixed in versions 5.4.53, 6.4.41, 7.4.13, and 8.0.13.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-15 13:22 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/symfony/symfony/security/advis… | x_refsource_CONFIRM |
| https://github.com/symfony/symfony/commit/8276536… | x_refsource_MISC |
| https://github.com/symfony/symfony/commit/85b8315… | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v5.4.53 | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v6.4.41 | x_refsource_MISC |
| https://github.com/symfony/symfony/releases/tag/v7.4.13 | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| symfony | symfony |
Affected:
>= 5.4.0, < 5.4.53
Affected: >= 6.0.0-BETA1, < 6.4.41 Affected: >= 7.0.0-BETA1, < 7.4.13 Affected: >= 8.0.0-BETA1, < 8.0.13 |
|
| symfony | http-client |
Affected:
>= 5.4.0, < 5.4.53
|
|
| symfony | http-foundation |
Affected:
>= 6.0.0-BETA1, < 6.4.41
Affected: >= 7.0.0-BETA1, < 7.4.13 Affected: >= 8.0.0-BETA1, < 8.0.13 |
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CVE-2026-48557 (GCVE-0-2026-48557)
Vulnerability from cvelistv5 – Published: 2026-05-29 19:49 – Updated: 2026-07-28 01:49 X_Open Source
VLAI
EPSS
VEX
Title
Spatie Laravel Media Library < 11.23.0 File Upload Restriction Bypass via FileAdder.php
Summary
Spatie Laravel Media Library before version 11.23.0 contains a file upload restriction bypass in FileAdder::defaultSanitizer(). The sanitizer checks only the final filename suffix, allowing double-extension filenames such as shell.php.jpg to bypass the blocklist, with pathinfo() preserving inner .php stems in saved filenames. The blocklist also omits executable extensions including .php6, .shtml, and .htaccess. The double-extension bypass requires a legacy Apache AddHandler configuration to achieve PHP execution; the incomplete blocklist bypass does not.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 20:19 UTC
CWE
- CWE-184 - Incomplete List of Disallowed Inputs
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/spatie/laravel-medialibrary/re… | release-notes |
| https://github.com/spatie/laravel-medialibrary/pu… | issue-tracking |
| https://github.com/spatie/laravel-medialibrary/co… | patch |
| https://www.vulncheck.com/advisories/spatie-larav… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| spatie | laravel-medialibrary |
Affected:
0 , < 11.23.0
(semver)
cpe:2.3:a:spatie:laravel_media_library:*:*:*:*:pro:*:*:* |
Date Public
2026-05-28 00:00
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-48557",
"datePublished": "2026-05-29T19:49:15.604Z",
"dateReserved": "2026-05-21T18:34:46.418Z",
"dateUpdated": "2026-07-28T01:49:32.071Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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.