Common Weakness Enumeration

CWE-348

Allowed

Use of Less Trusted Source

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

102 vulnerabilities reference this CWE, most recent first.

CVE-2026-78015 (GCVE-0-2026-78015)

Vulnerability from cvelistv5 – Published: 2026-10-09 08:30 – Updated: 2026-10-13 16:47
VLAI
Summary
Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Use of Less Trusted Source vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information tampering.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 16:47 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
dell CNA
References
Impacted products
Vendor Product Version
Dell Secure Connect Gateway (SCG) Policy Manager Affected: 0 , < 5.36.00.16 or later (semver)
Create a notification for this product.
Date Public
2026-08-31 06:30
Show details on NVD website
To clipboard 

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CVE-2026-77463 (GCVE-0-2026-77463)

Vulnerability from cvelistv5 – Published: 2026-11-05 20:54 – Updated: 2026-11-10 04:20
VLAI
Title
Remark42: Rate limit bypass via unconditional trust of X-Forwarded-For/X-Real-IP headers in direct-internet deployment
Summary
Remark42 is a self-hosted comment engine for blogs, articles, or any other place where readers can add comments. From 1.0.0 until 1.16.2, Remark42 globally trusts True-Client-IP, X-Real-IP, and X-Forwarded-For without verifying that the direct peer is a trusted proxy, and middleware.RealIP overwrites r.RemoteAddr before per-IP controls run. In a directly reachable deployment, or a proxy that forwards attacker-controlled headers, a remote attacker can rotate spoofed forwarding headers to obtain fresh token buckets for rate-limited endpoints, bypass vote de-duplication when --votes-ip is enabled, mint anonymous identities, and poison stored comment IPs and request logs. The global concurrent-request throttle and per-request timeouts still limit availability impact. Mitigation support is available in version 1.16.2, but operators must configure --trusted-proxy for the deployment topology.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-10 04:19 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
  • CWE-807 - Reliance on Untrusted Inputs in a Security Decision
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
umputun remark42 Affected: >= 1.0.0, < 1.16.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-64619 (GCVE-0-2026-64619)

Vulnerability from cvelistv5 – Published: 2026-07-20 18:50 – Updated: 2026-07-28 01:05 X_Open Source
VLAI
Title
FileCodeBox < 2.4 Anti-bruteforce Rate Limit Bypass via Spoofed Headers
Summary
FileCodeBox before 2.4 contains a rate-limit bypass vulnerability in the IPRateLimit class that allows unauthenticated attackers to circumvent request throttling by supplying attacker-controlled X-Real-IP and X-Forwarded-For headers without verification of trusted reverse proxy origin. Attackers can supply unique spoofed IP values on each request to enumerate all possible share codes and retrieve other users' files without authentication.
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
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 20:16 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
vastsa FileCodeBox Affected: 0 , < 2.4 (custom)
    cpe:2.3:a:lanol:filecodebox:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-06-08 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63770 (GCVE-0-2026-63770)

Vulnerability from cvelistv5 – Published: 2026-07-20 19:02 – Updated: 2026-08-21 20:32 X_Open Source
VLAI
Title
Glance 0.8.5 IP Spoofing Authentication Brute-Force Protection Bypass
Summary
Glance through 0.8.5 contains an IP address spoofing vulnerability in the authentication handler that allows unauthenticated attackers to bypass brute-force lockout protections by supplying arbitrary values in the X-Forwarded-For request header when the server proxied option is enabled. Attackers can manipulate the leftmost value of the X-Forwarded-For header to make each login attempt appear to originate from a distinct IP address, preventing the per-IP failed-login counter from reaching the lockout threshold and enabling unlimited credential guessing against the authentication endpoint.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-23 18:49 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
glanceapp glance Affected: 0 , ≤ 0.8.5 (semver)
    cpe:2.3:a:glance_project:glance:*:*:*:*:*:node.js:*:*
Create a notification for this product.
Date Public
2026-07-05 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-63220 (GCVE-0-2026-63220)

Vulnerability from cvelistv5 – Published: 2026-07-31 03:50 – Updated: 2026-07-31 13:58
VLAI
Title
CodeIgniter: Spoofable forwarded HTTPS headers in IncomingRequest::isSecure()
Summary
CodeIgniter is a PHP full-stack web framework. In versions prior to 4.7.4, IncomingRequest::isSecure() trusted the X-Forwarded-Proto and Front-End-Https headers from any incoming request, allowing an attacker could spoof these headers and cause the application to incorrectly treat an HTTP request as secure. This may have impacted applications that rely on isSecure(), force_https(), forceGlobalSecureRequests, or similar logic to enforce HTTPS-only access or make security-sensitive decisions. Exploitability depends on deployment configuration. Applications are most exposed if the backend is reachable directly over HTTP, or if a reverse proxy/load balancer forwards client-supplied forwarding headers without stripping or overwriting them. This issue has been fixed in version 4.7.4.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-31 13:58 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
GitHub_M CNA
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2026-62987 (GCVE-0-2026-62987)

Vulnerability from cvelistv5 – Published: 2026-09-21 16:11 – Updated: 2026-09-21 18:04
VLAI
Title
Fabio - Incomplete fix for CVE-2025-48865: operator-configured trust headers (clientip/tls/requestid) still strippable via the Connection header
Summary
Fabio is an HTTP(S) and TCP router for deploying applications managed by consul. From 1.6.6 until 1.7.2, the CVE-2025-48865 fix in proxy/http_headers.go uses protectHeaders for a hardcoded set of forwarded headers but omits the operator-configured ClientIPHeader, TLSHeader, and RequestID names. In proxy/http_proxy.go, HTTPProxy.ServeHTTP calls addHeaders to set these trust headers before Go ReverseProxy processes the inbound Connection header, allowing an unauthenticated client to name and remove the configured headers before the request reaches the backend. Deployments that enable the corresponding proxy.header options can therefore lose client-IP, TLS-termination, or request-correlation signals used by backend authorization and auditing; the options are empty by default, and the hardcoded protected forwarded headers are unaffected. This issue is fixed in version 1.7.2.
Severity
5.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 18:03 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
  • CWE-348 - Use of Less Trusted Source
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
fabiolb fabio Affected: >= 1.6.6, < 1.7.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-61682 (GCVE-0-2026-61682)

Vulnerability from cvelistv5 – Published: 2026-09-18 16:11 – Updated: 2026-09-21 20:50
VLAI
Title
kcp front-proxy does not strip inbound X-Remote-* identity headers, allowing any authenticated client to inject groups/warrants and impersonate system:masters in any workspace
Summary
kcp is a Kubernetes-like control plane for form-factors and use-cases beyond Kubernetes and container workloads. Prior to 0.31.4 and 0.32.2, the kcp front-proxy does not remove inbound X-Remote-User, X-Remote-Group, or X-Remote-Extra-* identity headers before forwarding requests to shards. Any authenticated tenant can inject X-Remote-Group: system:masters, authorization.kcp.io/warrant, authentication.kcp.io/scopes, or a group used for per-workspace required-group gating, and the shard trusts these values as authenticated identity assertions. This allows cross-workspace impersonation, authorization bypass, and arbitrary reading, writing, or deletion of resources, secrets, RBAC data, APIExports, APIBindings, and LogicalClusters. This issue is fixed in versions 0.31.4 and 0.32.2.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 19:24 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
  • CWE-302 - Authentication Bypass by Assumed-Immutable Data
  • CWE-348 - Use of Less Trusted Source
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
kcp-dev kcp Affected: < 0.31.4
Affected: >= 0.32.0, < 0.32.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-61589 (GCVE-0-2026-61589)

Vulnerability from cvelistv5 – Published: 2026-09-16 22:08 – Updated: 2026-09-17 19:23
VLAI
Title
djust: WebSocket/runtime reconstructed request omits the client Host, causing host/subdomain TenantResolvers to misresolve the tenant on the live path
Summary
djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, the WebSocket `handle_mount` and `ViewRuntime._build_request` rebuild an `HttpRequest` via `RequestFactory().get(...)` with no `HTTP_HOST`, so `request.get_host()` defaulted to `"testserver"` on the live path. Host/subdomain/domain `TenantResolver`s then misresolved the tenant — `None` on the live path while the HTTP path resolved correctly. With `STRICT_MODE=False` the tenant-scoped managers returned unscoped rows (cross-tenant disclosure); with the default they returned an empty queryset (broken tenancy). This is fixed in djust 1.0.7. The handshake Host is extracted from the ASGI scope, validated against `ALLOWED_HOSTS` (the same logic as the CSWSH Origin gate, parsed with Django's `split_domain_port` so malformed Hosts are rejected at the boundary), and propagated — with the TLS scheme — into the reconstructed request, so live-path tenant resolution matches HTTP exactly. There is no known workaround on the live path short of upgrading. Users are most exposed when combined with `STRICT_MODE=False`.
Severity
6.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 17:10 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
  • CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
djust-org djust Affected: < 1.0.7
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Show details on NVD website
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CVE-2026-59999 (GCVE-0-2026-59999)

Vulnerability from cvelistv5 – Published: 2026-07-08 00:13 – Updated: 2026-07-08 13:07
VLAI
Summary
In sshd in OpenSSH before 10.4, DisableForwarding=yes was supposed to take precedence over PermitTunnel=yes, but did not.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 13:07 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
mitre CNA
References
Impacted products
Vendor Product Version
OpenBSD OpenSSH Affected: 0 , < 10.4 (custom)
    cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
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CVE-2026-59897 (GCVE-0-2026-59897)

Vulnerability from cvelistv5 – Published: 2026-07-08 16:06 – Updated: 2026-07-09 13:51
VLAI
Title
Hono: API Gateway v1 adapter can drop a distinct repeated request header value during de-duplication
Summary
Hono is a Web application framework that provides support for any JavaScript runtime. From 4.3.3 before 4.12.27, the AWS API Gateway v1 adapter can drop a distinct repeated request header value because it de-duplicates values using a substring comparison instead of an exact match, so middleware or application logic that depends on the complete X-Forwarded-For chain, rate limiting, audit logging, or proxy-chain validation can receive incomplete data. This issue is fixed in version 4.12.27.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 13:51 UTC
CWE
  • CWE-348 - Use of Less Trusted Source
Assigner
GitHub_M CNA
References
Impacted products
Vendor Product Version
honojs hono Affected: >= 4.3.3, < 4.12.27
Create a notification for this product.
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-141: Cache Poisoning

An attacker exploits the functionality of cache technologies to cause specific data to be cached that aids the attackers' objectives. This describes any attack whereby an attacker places incorrect or harmful material in cache. The targeted cache can be an application's cache (e.g. a web browser cache) or a public cache (e.g. a DNS or ARP cache). Until the cache is refreshed, most applications or clients will treat the corrupted cache value as valid. This can lead to a wide range of exploits including redirecting web browsers towards sites that install malware and repeatedly incorrect calculations based on the incorrect value.

CAPEC-142: DNS Cache Poisoning

A domain name server translates a domain name (such as www.example.com) into an IP address that Internet hosts use to contact Internet resources. An adversary modifies a public DNS cache to cause certain names to resolve to incorrect addresses that the adversary specifies. The result is that client applications that rely upon the targeted cache for domain name resolution will be directed not to the actual address of the specified domain name but to some other address. Adversaries can use this to herd clients to sites that install malware on the victim's computer or to masquerade as part of a Pharming attack.

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-76: Manipulating Web Input to File System Calls

An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.

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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