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.
157 vulnerabilities reference this CWE, most recent first.
CVE-2026-103592 (GCVE-0-2026-103592)
Vulnerability from cvelistv5 – Published: 2026-09-30 23:02 – Updated: 2026-09-30 23:02
VLAI
EPSS
VEX
Title
simple-php-router through 5.4.1.7 IP restriction bypass via forwarding headers
Summary
simple-php-router through 5.4.1.7 contains an IP restriction bypass vulnerability in the IpRestrictAccess middleware that allows remote unauthenticated attackers to bypass IP whitelist and blacklist protections. Attackers can spoof X-Forwarded-For, CF-Connecting-IP, or Client-IP headers to impersonate whitelisted addresses or evade blacklists, gaining access to IP-restricted routes.
Severity
6.5 (Medium)
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/skipperbent/simple-php-router/… | issue-tracking |
| https://github.com/skipperbent/simple-php-router/… | technical-description |
| https://github.com/skipperbent/simple-php-router/… | technical-description |
| https://github.com/skipperbent/simple-php-router | product |
| https://www.vulncheck.com/advisories/simple-php-r… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pecee | simple-router |
Affected:
0 , ≤ 5.4.1.7
(custom)
|
Date Public
2026-09-30 00:00
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CVE-2026-102630 (GCVE-0-2026-102630)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:42 – Updated: 2026-09-29 15:42
VLAI
EPSS
VEX
Title
UnoPim 2.0.0 before 2.0.1 and 2.1.0 before 2.1.1 Cache Poisoning via X-Forwarded-Host
Summary
UnoPim versions before 2.0.1 and 2.1.1 trust all connecting clients as proxies and honor the X-Forwarded-Host header without validation, allowing unauthenticated attackers to inject arbitrary origins into admin layout pages. Attackers can set X-Forwarded-Host to redirect JavaScript asset loading to their server, and when responses are cached by shared proxies, subsequent administrators execute attacker-supplied code in their authenticated sessions.
Severity
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/unopim/unopim/commit/77e33618d… | patch |
| https://github.com/unopim/unopim/releases/tag/v2.0.1 | release-notes |
| https://github.com/unopim/unopim/releases/tag/v2.1.1 | release-notes |
| https://github.com/unopim/unopim/blob/v2.1.0/boot… | technical-description |
| https://github.com/unopim/unopim/blob/v2.1.0/pack… | technical-description |
| https://github.com/unopim/unopim | product |
| https://www.vulncheck.com/advisories/unopim-2.0.0… | third-party-advisory |
Impacted products
Date Public
2026-05-25 00:00
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CVE-2026-102275 (GCVE-0-2026-102275)
Vulnerability from cvelistv5 – Published: 2026-09-28 20:46 – Updated: 2026-09-29 13:56
VLAI
EPSS
VEX
Title
PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion
Summary
PyJWT is a Python implementation of JSON Web Token standards. From 2.1.0 until 2.15.0, PyJWT OKPAlgorithm.from_jwk in jwt/algorithms.py is affected because private-JWK import path does not compare the public key derived from d with x. This occurs when an OKP private JWK supplies non-corresponding x and d components. As a result, identity derived from x can differ from operations performed with d. Consequently, if an integration also accepts private key parameters from a proof header without rejecting them, an attacker may use a stolen sender-constrained token without the legitimate private key. This issue is fixed in version 2.15.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 13:56 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/jpadilla/pyjwt/security/adviso… | x_refsource_CONFIRM |
| https://github.com/jpadilla/pyjwt/commit/3cd9ceec… | x_refsource_MISC |
| https://github.com/jpadilla/pyjwt/releases/tag/2.15.0 | x_refsource_MISC |
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CVE-2026-101277 (GCVE-0-2026-101277)
Vulnerability from cvelistv5 – Published: 2026-09-28 23:45 – Updated: 2026-09-29 17:34
VLAI
EPSS
VEX
Title
Trusted Domain Project OpenDKIM Tag Tokenizer dkim.c dkim_process_set less trusted source
Summary
A security flaw has been discovered in Trusted Domain Project OpenDKIM up to 2.11.0. The impacted element is the function dkim_process_set of the file dkim.c of the component Tag Tokenizer. Performing a manipulation results in use of less trusted source. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-29 17:34 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/411034 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/411034/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-101277 | third-party-advisory |
| https://vuldb.com/submit/918270 | third-party-advisory |
| https://xuyongzhe-vt.github.io/share/opendkim-tag… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Trusted Domain Project | OpenDKIM |
Affected:
2.0
Affected: 2.1 Affected: 2.2 Affected: 2.3 Affected: 2.4 Affected: 2.5 Affected: 2.6 Affected: 2.7 Affected: 2.8 Affected: 2.9 Affected: 2.10 Affected: 2.11.0 cpe:2.3:a:trusted_domain_project:opendkim:*:*:*:*:*:*:*:* |
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CVE-2026-100653 (GCVE-0-2026-100653)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-10-01 11:06
VLAI
EPSS
VEX
Title
vLLM 0.22.1 before 0.28.0 Incomplete Artifact Pin Propagation
Summary
vLLM is an inference and serving engine for large language models. In versions from 0.22.1 through 0.28.0, the operator-supplied model revision pin (--revision / --code-revision) is not propagated to several Hugging Face artifact loads for the FunAudioChat and Tarsier2 architectures: the WhisperFeatureExtractor and speech_tokenizer PreTrainedTokenizerFast loads in vllm/model_executor/models/funaudiochat.py and the Qwen2VLConfig.from_pretrained call used by Tarsier2ProcessingInfo in vllm/model_executor/models/qwen2_vl.py. As a result, deployments pinned to a reviewed revision still resolve these behavior-affecting processor, tokenizer, and config artifacts from the repository's default revision, so a later change to the upstream default branch can alter audio preprocessing, speech tokenizer behavior, or Tarsier2 configuration without any change to the operator's configured pin. This is a supply-chain integrity and reproducibility failure for pinned deployments; it is residual to the earlier fix tracked as GHSA-3ww4-5jv9-j5gm / CVE-2026-47155 and does not constitute remote code execution or a trust_remote_code=False bypass. The issue is fixed in version 0.28.0.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 17:46 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | vendor-advisory |
| https://github.com/vllm-project/vllm/commit/d26a2… | patch |
| https://www.vulncheck.com/advisories/vllm-0.22.1-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| vllm-project | vllm |
Affected:
0.22.1 , < 0.28.0
(semver)
Unaffected: 0.28.0 (semver) cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
Date Public
2026-09-12 00:00
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CVE-2026-97404 (GCVE-0-2026-97404)
Vulnerability from cvelistv5 – Published: 2026-09-24 14:34 – Updated: 2026-09-26 22:51
VLAI
EPSS
VEX
Summary
In OpenStack Zaqar before 22.0.2, WSGI transport mishandles the URL-Signature header. By sending a request with an empty URL-Signature header, an unauthenticated remote attacker who knows a target project's UUID may bypass both Keystone authentication and pre-signed URL verification, resulting in the ability to read, enumerate, create, and delete that project's queues, messages, claims, and subscriptions. By additionally claiming an administrative role, the attacker may also perform administrative operations, such as managing pools and flavors in admin_mode deployments. Only deployments using the WSGI transport with an authentication strategy configured are affected; the websocket transport is not affected.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-26 22:40 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://launchpad.net/bugs/2164987 | issue-tracking |
| http://www.openwall.com/lists/oss-security/2026/09/24/6 |
Impacted products
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CVE-2026-92530 (GCVE-0-2026-92530)
Vulnerability from cvelistv5 – Published: 2026-09-23 23:05 – Updated: 2026-09-24 13:25
VLAI
EPSS
VEX
Title
Use of Less Trusted Source in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to spoof merge request authorship and attribute content to arbitrary existing users on the target instance due to improper reliance on ephemeral cache state during Direct Transfer imports.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 13:24 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
Impacted products
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CVE-2026-92395 (GCVE-0-2026-92395)
Vulnerability from cvelistv5 – Published: 2026-09-16 14:35 – Updated: 2026-09-17 18:39
VLAI
EPSS
VEX
Title
@fastify/proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
Summary
@fastify/proxy-addr is a Fastify plugin that determines a request's client address behind trusted reverse proxies, and it backs Fastify request.ip and request.ips. In versions 3.0.0 through 5.1.0, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as ::ffff:10.0.0.0/8 instead of the correct ::ffff:10.0.0.0/104, is accepted without error but trusts every IPv4 address on the internet rather than the block it names. Because the socket peer then becomes trusted at hop 0, any unauthenticated client can supply an arbitrary X-Forwarded-For header and control the address the application reads, which defeats IP-based access control, rate limiting, geolocation, and audit logging. The plugin inherited this defect from the upstream proxy-addr module (CVE-2026-90711). The issue is fixed in @fastify/proxy-addr 5.1.1, and users should upgrade to 5.1.1 or later. As a workaround, ensure any IPv4-mapped IPv6 trust subnet uses a prefix length of at least 97, or express the range in plain IPv4 notation.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 18:38 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| @fastify/proxy-addr | @fastify/proxy-addr |
Affected:
3.0.0 , < 5.1.1
(semver)
Unaffected: 5.1.1 (semver) |
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CVE-2026-90711 (GCVE-0-2026-90711)
Vulnerability from cvelistv5 – Published: 2026-09-15 06:19 – Updated: 2026-09-15 14:48
VLAI
EPSS
VEX
Title
proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet
Summary
proxy-addr is a Node.js module that determines a request's client address behind trusted reverse proxies, and it backs Express req.ip and req.ips. In versions 1.1.0 through 2.0.7, a trust subnet written in IPv4-mapped IPv6 notation with an IPv4-sized prefix, such as ::ffff:10.0.0.0/8 instead of the correct ::ffff:10.0.0.0/104, is accepted without error but trusts every IPv4 address on the internet rather than the block it names. Because the socket peer then becomes trusted at hop 0, any unauthenticated client can supply an arbitrary X-Forwarded-For header and control the address the application reads, which defeats IP-based access control, rate limiting, geolocation, and audit logging. This is a fail-open regression introduced in version 1.1.0. The issue is fixed in proxy-addr 2.0.8, and users should upgrade to 2.0.8 or later. As a workaround, ensure any IPv4-mapped IPv6 trust subnet uses a prefix length of at least 97, or express the range in plain IPv4 notation.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 14:46 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| proxy-addr | proxy-addr |
Affected:
1.1.0 , < 2.0.8
(semver)
Unaffected: 2.0.8 (semver) |
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CVE-2026-90679 (GCVE-0-2026-90679)
Vulnerability from cvelistv5 – Published: 2026-09-13 03:55 – Updated: 2026-09-15 17:17 X_Open Source
VLAI
EPSS
VEX
Summary
Forgejo 13.0.0 through 16.0.4, when "[federation] ENABLED = true" is set, has a spoofing issue that affects identity integrity but does not allow account takeover or content modification. It does not verify that the HTTP Signature on an incoming ActivityPub activity was produced by the key belonging to the actor named in the activity body. The signature verification in routers/api/v1/activitypub/reqsignature.go validates the request signature, but the inbox activity handlers subsequently read the acting identity from the attacker-controlled JSON body without binding it to the verified signing key. Additionally, the signed Digest header is not recomputed against the received request body. A remote attacker who hosts a single valid ActivityPub actor and keypair can therefore submit signature-valid activities attributed to any actor identity they name.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:17 UTC
CWE
- CWE-348 - Use of Less Trusted Source
Assigner
References
1 reference
Impacted products
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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.