Common Weakness Enumeration
CWE-348
AllowedUse of Less Trusted Source
Abstraction: Base · Status: Draft
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.
190 vulnerabilities reference this CWE, most recent first.
CVE-2026-114474 (GCVE-0-2026-114474)
Vulnerability from cvelistv5 – Published: 2026-10-21 15:12 – Updated: 2026-10-21 15:12
VLAI
EPSS
VEX
Title
Use of Less Trusted Source in hMailServer
Summary
Use of a less trusted source for the envelope sender in the external-account download of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to have mail they write in the name of a domain the server hosts sent on by the server with an envelope sender at that domain, so that it passes the domain's SPF and DMARC at other receivers. A message the server downloads from an external POP3 or IMAP account has no SMTP envelope of its own, and the server took the address in its From header as its envelope sender, whatever that address was. A forward or redirect of the downloaded message to an outside address then left with that address as its envelope sender, which the Sender Rewriting Scheme leaves alone for a hosted domain, so that the receiver's SPF check passed for the forged domain, aligned even under strict alignment, with no non-default setting, host name record or DMARC policy needed. An attacker needs to know a mailbox elsewhere that an account here collects and forwards to an outside address; an account holder who adds an external account of their own can collect from a server of their own, which matters where SmtpAuthenticatedSenderCheck holds signed-in senders to their own addresses.
Severity
5.9 (Medium)
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Progressive Robot Ltd | hMailServer |
Affected:
6.0.0 , ≤ 6.3.6
(semver)
|
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CVE-2026-114437 (GCVE-0-2026-114437)
Vulnerability from cvelistv5 – Published: 2026-10-21 13:52 – Updated: 2026-10-21 17:19
VLAI
EPSS
VEX
Title
Chi Client IP Spoofing in ClientIPFromXFF via X-Forwarded-For
Summary
In the Golang Chi web framework, the ClientIPFromXFF middleware skips any X-Forwarded-For entry in a configured trusted CIDR but never verifies that the direct TCP peer in http.Request.RemoteAddr belongs to that CIDR. A client that can reach the Go server directly can therefore append a trusted-looking proxy address and choose the client IP returned by middleware.GetClientIP.
This issue affects chi before 5.4.0.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 15:16 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
Date Public
2026-10-21 15:00
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CVE-2026-112378 (GCVE-0-2026-112378)
Vulnerability from cvelistv5 – Published: 2026-10-21 23:33 – Updated: 2026-10-21 23:33
VLAI
EPSS
VEX
Title
Use of Less Trusted Source in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 17.8 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated user to access paid AI features without a valid subscription due to insufficient server-side validation in billing eligibility checks.
Severity
4.3 (Medium)
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
Impacted products
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CVE-2026-111934 (GCVE-0-2026-111934)
Vulnerability from cvelistv5 – Published: 2026-10-17 18:46 – Updated: 2026-10-19 16:39
VLAI
EPSS
VEX
Title
Coder before 2.34.7 IP Spoofing via X-Forwarded-For Header
Summary
Coder before 2.34.7 contains an IP spoofing vulnerability in the ExtractRealIPAddress middleware that trusts the leftmost, client-supplied X-Forwarded-For value instead of the client IP appended by a reverse proxy. Attackers can send forged X-Forwarded-For values through appending proxies to bypass per-IP rate limits on login, one-time passcode, and password validation endpoints, enabling brute-force attacks, and to falsify IP addresses recorded in audit logs.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 15:35 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/coder/coder/security/advisorie… | vendor-advisory |
| https://www.vulncheck.com/advisories/coder-before… | third-party-advisory |
Impacted products
Date Public
2026-08-11 00:00
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CVE-2026-111450 (GCVE-0-2026-111450)
Vulnerability from cvelistv5 – Published: 2026-10-16 03:49 – Updated: 2026-10-19 18:42
VLAI
EPSS
VEX
Summary
Wheels through 4.1.1 derives its default production error-email address from the Host header of the request that starts the application. If no explicit error-email recipient is configured, a mail server is configured, and the server accepts an attacker-chosen Host, an attacker whose request triggers a cold start can direct later error emails to an address under their control for that application's lifetime. Emails disclose error and request metadata; on engines/versions where scope dumps render, they may also disclose configuration secrets and other users' session/cookie data. On the Lucee 7 engine, scope dumps fail to render, limiting disclosure to header fields. This is fixed in 4.1.2.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-19 18:37 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wheels-dev/wheels/security/adv… | vendor-advisory |
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CVE-2026-111443 (GCVE-0-2026-111443)
Vulnerability from cvelistv5 – Published: 2026-10-16 03:28 – Updated: 2026-10-16 15:01
VLAI
EPSS
VEX
Summary
Wheels 4.0.6 through 4.1.2 lets an unauthenticated client switch a request into a separate test application context, including in production, by supplying an X-Wheels-Test-Context header or WHEELS_TEST_CONTEXT cookie with any value, or including a test-runner path anywhere in the URL, even the query string. The alternate application uses the same configuration, environment, datasource and debug settings: this is not an authentication bypass or data/debug escalation. It can bypass maintenance mode enabled only at runtime, provide a second set of in-memory rate-limit counters, and trigger additional application-startup side effects and memory use. This is fixed in 4.2.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:01 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/wheels-dev/wheels/security/adv… | vendor-advisory |
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CVE-2026-110726 (GCVE-0-2026-110726)
Vulnerability from cvelistv5 – Published: 2026-10-15 11:58 – Updated: 2026-10-15 15:30
VLAI
EPSS
VEX
Summary
In `api-gateway` versions till `1.7.3`, The default rate-limit key resolver, `ClientIpKeyResolver`, derives the per-client bucket key from the leftmost element of the `X-Forwarded-For` request header. That element is supplied by the originating HTTP client and is not validated against any trusted-proxy list. A single attacker can therefore obtain an unlimited number of independent rate-limit buckets — one per unique header value — and completely bypass the gateway's request-rate limiting on every route that uses the shipped default configuration.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 15:30 UTC
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Eclipse Foundation | Eclipse Connected Services Platform |
Affected:
1.5.4 , ≤ 1.7.3
(semver)
|
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CVE-2026-108736 (GCVE-0-2026-108736)
Vulnerability from cvelistv5 – Published: 2026-10-11 12:19 – Updated: 2026-10-13 17:00
VLAI
EPSS
VEX
Title
Speedtest Tracker through 1.15.0 IP Allowlist Bypass via X-Forwarded-For Spoofing
Summary
Speedtest Tracker through 1.15.0 contains an IP allowlist bypass vulnerability that allows unauthenticated remote attackers to evade ALLOWED_IPS and Prometheus allowlists by spoofing X-Forwarded-For headers. Because bootstrap/app.php trusts every peer as a proxy, attackers can supply an allowlisted address to read /prometheus metrics and reach protected web and API endpoints.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:49 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind03/speedtest-tracker-trus… | third-party-advisory |
| https://github.com/alexjustesen/speedtest-tracker… | technical-description |
| https://github.com/alexjustesen/speedtest-tracker… | technical-description |
| https://github.com/alexjustesen/speedtest-tracker… | technical-description |
| https://github.com/alexjustesen/speedtest-tracker | product |
| https://www.vulncheck.com/advisories/speedtest-tr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| alexjustesen | speedtest-tracker |
Affected:
0 , ≤ 1.15.0
(semver)
|
Date Public
2026-10-10 00:00
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CVE-2026-108555 (GCVE-0-2026-108555)
Vulnerability from cvelistv5 – Published: 2026-10-10 14:49 – Updated: 2026-10-13 11:37
VLAI
EPSS
VEX
Title
PairDrop through 1.11.2 IP Spoofing via cf-connecting-ip Header
Summary
PairDrop through 1.11.2 contains an IP spoofing vulnerability in Peer._setIP that allows remote attackers to join other networks' discovery rooms by supplying a forged cf-connecting-ip header. Attackers who know a victim's public IP can appear as a local device on self-hosted instances not behind Cloudflare to send or receive files.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 11:36 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/schlagmichdoch/PairDrop/issues/510 | issue-tracking |
| https://github.com/schlagmichdoch/PairDrop | product |
| https://github.com/schlagmichdoch/PairDrop/blob/4… | technical-description |
| https://github.com/schlagmichdoch/PairDrop/blob/4… | technical-description |
| https://www.vulncheck.com/advisories/pairdrop-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| schlagmichdoch | PairDrop |
Affected:
0 , ≤ 1.11.2
(semver)
|
Date Public
2026-09-11 00:00
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CVE-2026-108162 (GCVE-0-2026-108162)
Vulnerability from cvelistv5 – Published: 2026-10-10 13:55 – Updated: 2026-10-13 11:32
VLAI
EPSS
VEX
Title
Pingvin Share X before 1.22.0 Rate Limit Bypass via Spoofed X-Forwarded-For
Summary
Pingvin Share X before 1.22.0 contains a rate limit bypass vulnerability that allows unauthenticated remote attackers to evade per-IP throttling because backend/src/main.ts unconditionally trusts proxy headers. Attackers can rotate spoofed X-Forwarded-For values against /api/auth/signIn, /api/auth/signIn/totp, and /api/auth/resetPassword to brute-force passwords and TOTP codes and forge logged client IP addresses.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 11:31 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/smp46/pingvin-share-x/security… | vendor-advisory |
| https://github.com/smp46/pingvin-share-x/commit/2… | patch |
| https://github.com/smp46/pingvin-share-x/releases… | release-notes |
| https://github.com/smp46/pingvin-share-x/blob/68e… | technical-description |
| https://github.com/smp46/pingvin-share-x | product |
| https://www.vulncheck.com/advisories/pingvin-shar… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| smp46 | pingvin-share-x |
Affected:
0 , < 1.22.0
(semver)
|
Date Public
2026-08-06 00:00
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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.