Common Weakness Enumeration
CWE-350
AllowedReliance on Reverse DNS Resolution for a Security-Critical Action
Abstraction: Variant · Status: Draft
The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname.
57 vulnerabilities reference this CWE, most recent first.
CVE-2026-6874 (GCVE-0-2026-6874)
Vulnerability from cvelistv5 – Published: 2026-04-22 23:30 – Updated: 2026-04-23 14:32
VLAI
EPSS
VEX
Title
ericc-ch copilot-api Header token dns rebinding
Summary
A vulnerability was determined in ericc-ch copilot-api up to 0.7.0. This impacts an unknown function of the file /token of the component Header Handler. Executing a manipulation of the argument Host can lead to reliance on reverse dns resolution. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-23 14:32 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/359039 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/359039/cti | signaturepermissions-required |
| https://vuldb.com/submit/795212 | third-party-advisory |
| https://github.com/August829/CVEP/issues/32 | exploitissue-tracking |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ericc-ch | copilot-api |
Affected:
0.1
Affected: 0.2 Affected: 0.3 Affected: 0.4 Affected: 0.5 Affected: 0.6 Affected: 0.7.0 |
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CVE-2026-1490 (GCVE-0-2026-1490)
Vulnerability from cvelistv5 – Published: 2026-02-15 02:22 – Updated: 2026-04-08 17:23
VLAI
EPSS
VEX
Title
Spam protection, Honeypot, Anti-Spam by CleanTalk <= 6.71 - Authorization Bypass via Reverse DNS (PTR record) Spoofing to Unauthenticated Arbitrary Plugin Installation
Summary
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including, 6.71. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated. Note: This is only exploitable on sites with an invalid API key.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-17 21:21 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cleantalk | Spam protection, Honeypot, Anti-Spam by CleanTalk |
Affected:
0 , ≤ 6.71
(semver)
|
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CVE-2025-59956 (GCVE-0-2025-59956)
Vulnerability from cvelistv5 – Published: 2025-09-29 23:57 – Updated: 2025-09-30 14:14
VLAI
EPSS
VEX
Title
AgentAPI exposed user chat history via a DNS rebinding attack
Summary
AgentAPI is an HTTP API for Claude Code, Goose, Aider, Gemini, Amp, and Codex. Versions 0.3.3 and below are susceptible to a client-side DNS rebinding attack when hosted over plain HTTP on localhost. An attacker can gain access to the /messages endpoint served by the Agent API. This allows for the unauthorized exfiltration of sensitive user data, specifically local message history, which can include secret keys, file system contents, and intellectual property the user was working on locally. This issue is fixed in version 0.4.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-30 14:14 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/coder/agentapi/security/adviso… | x_refsource_CONFIRM |
| https://github.com/coder/agentapi/pull/49 | x_refsource_MISC |
| https://github.com/coder/agentapi/commit/5c425c62… | x_refsource_MISC |
| https://github.blog/security/application-security… | x_refsource_MISC |
| https://github.com/coder/agentapi/releases/tag/v0.4.0 | x_refsource_MISC |
| https://mcpsec.dev/advisories/2025-09-19-coder-ch… | x_refsource_MISC |
| https://mcpsec.dev/advisories/2025-09-19-coder-ch… | exploit |
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CVE-2025-59163 (GCVE-0-2025-59163)
Vulnerability from cvelistv5 – Published: 2025-09-29 21:51 – Updated: 2025-09-30 14:49
VLAI
EPSS
VEX
Title
vet MCP Server SSE Transport DNS Rebinding Vulnerability
Summary
vet is an open source software supply chain security tool. Versions 1.12.4 and below are vulnerable to a DNS rebinding attack due to lack of HTTP Host and Origin header validation. Data from the vet scan sqlite3 database may be exposed to remote attackers when vet is used as an MCP server in SSE mode with default ports through the sqlite3 query MCP tool. This issue is fixed in version 1.12.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-30 14:49 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/safedep/vet/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/safedep/vet/commit/0ae3560ba11… | x_refsource_MISC |
| https://github.com/safedep/vet/releases/tag/v1.12.5 | x_refsource_MISC |
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CVE-2025-24010 (GCVE-0-2025-24010)
Vulnerability from cvelistv5 – Published: 2025-01-20 15:53 – Updated: 2025-01-21 14:52
VLAI
EPSS
VEX
Title
Vite allows any websites to send any requests to the development server and read the response
Summary
Vite is a frontend tooling framework for javascript. Vite allowed any websites to send any requests to the development server and read the response due to default CORS settings and lack of validation on the Origin header for WebSocket connections. This vulnerability is fixed in 6.0.9, 5.4.12, and 4.5.6.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-21 14:52 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/vitejs/vite/security/advisorie… | x_refsource_CONFIRM |
Impacted products
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CVE-2024-53275 (GCVE-0-2024-53275)
Vulnerability from cvelistv5 – Published: 2024-12-23 17:13 – Updated: 2025-02-18 21:48
VLAI
EPSS
VEX
Title
GHSL-2024-091: DNS rebinding attack in home-gallery
Summary
Home-Gallery.org is a self-hosted open-source web gallery to browse personal photos and videos. In 1.15.0 and earlier, the default setup of home-gallery is vulnerable to DNS rebinding. Home-gallery is set up without TLS and user authentication by default, leaving it vulnerable to DNS rebinding. In this attack, an attacker will ask a user to visit their website. The attacker website will then change the DNS records of their domain from their IP address to the internal IP address of the home-gallery instance. To tell which IP addresses are valid, we can rebind a subdomain to each IP address we want to check, and see if there is a response. Once potential candidates have been found, the attacker can launch the attack by reading the response of the web server after the IP address has changed. When the attacker domain is fetched, the response will be from the home-gallery instance, not the attacker website, because the IP address has been changed. Due to a lack of authentication, home-gallery photos can then be extracted by the attacker website.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-12-24 01:39 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://securitylab.github.com/advisories/GHSL-20… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xemle | home-gallery |
Affected:
<= 1.15.0
|
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CVE-2024-42364 (GCVE-0-2024-42364)
Vulnerability from cvelistv5 – Published: 2024-08-23 15:44 – Updated: 2024-08-23 17:08
VLAI
EPSS
VEX
Title
homepage DNS rebinding vulnerability (GHSL-2024-096)
Summary
Homepage is a highly customizable homepage with Docker and service API integrations. The default setup of homepage 0.9.1 is vulnerable to DNS rebinding. Homepage is setup without certificate and authentication by default, leaving it to vulnerable to DNS rebinding. In this attack, an attacker will ask a user to visit his/her website. The attacker website will then change the DNS records of their domain from their IP address to the internal IP address of the homepage instance. To tell which IP addresses are valid, we can rebind a subdomain to each IP address we want to check, and see if there is a response. Once potential candidates have been found, the attacker can launch the attack by reading the response of the webserver after the IP address has changed. When the attacker domain is fetched, the response will be from the homepage instance, not the attacker website, because the IP address has been changed. Due to a lack of authentication, a user’s private information such as API keys (fixed after first report) and other private information can then be extracted by the attacker website.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-23 17:07 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://securitylab.github.com/advisories/GHSL-20… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| gethomepage | homepage |
Affected:
<= 0.9.1
|
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CVE-2022-22364 (GCVE-0-2022-22364)
Vulnerability from cvelistv5 – Published: 2024-05-03 18:14 – Updated: 2024-08-03 03:14
VLAI
EPSS
VEX
Title
IBM Cognos Controller security bypass
Summary
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 is vulnerable to external service interaction attack, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability to induce the application to perform server-side DNS lookups or HTTP requests to arbitrary domain names. By submitting suitable payloads, an attacker can cause the application server to attack other systems that it can interact with. IBM X-Force ID: 220903.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-06 20:54 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7149876 | vendor-advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entry |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| IBM | Cognos Controller |
Affected:
10.4.1, 10.4.2, 11.0.0
|
|
| ibm | cognos_controller |
Affected:
10.4.1 , ≤ 10.4.2
(custom)
cpe:2.3:a:ibm:cognos_controller:10.4.0:*:*:*:*:*:*:* |
|
| ibm | cognos_controller |
Affected:
11.0.0
cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:* |
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CVE-2021-34561 (GCVE-0-2021-34561)
Vulnerability from cvelistv5 – Published: 2021-08-31 10:32 – Updated: 2024-09-17 01:56
VLAI
EPSS
VEX
Title
A vulnerability in WirelessHART-Gateway <= 3.0.8 allows to bypass any IP or firewall based access restrictions through DNS rebinding
Summary
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 serious issue exists, if the application is not externally accessible or uses IP-based access restrictions. Attackers can use DNS Rebinding to bypass any IP or firewall based access restrictions that may be in place, by proxying through their target's browser.
Severity
7.5 (High)
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-027 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH |
Affected:
3.0.8 , ≤ 3.0.8
(custom)
|
|
| Phoenix Contact | WHA-GW-F2D2-0-AS- Z2-ETH.EIP |
Affected:
3.0.8 , ≤ 3.0.8
(custom)
|
Date Public
2021-08-16 00:00
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CVE-2021-22884 (GCVE-0-2021-22884)
Vulnerability from cvelistv5 – Published: 2021-03-03 17:37 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
Node.js before 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If the attacker controls the victim's DNS server or can spoof its responses, the DNS rebinding protection can be bypassed by using the “localhost6” domain. As long as the attacker uses the “localhost6” domain, they can still apply the attack described in CVE-2018-7160.
Severity
No CVSS data available.
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350)
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/1069487 | x_refsource_MISC |
| https://nodejs.org/en/blog/vulnerability/february… | x_refsource_MISC |
| https://nodejs.org/en/blog/vulnerability/march-20… | x_refsource_MISC |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.oracle.com/security-alerts/cpuApr2021.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021041… | x_refsource_CONFIRM |
| https://www.oracle.com//security-alerts/cpujul2021.html | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpuoct2021.html | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2021072… | x_refsource_CONFIRM |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
Affected: 5.0 , < 5.* (semver) Affected: 6.0 , < 6.* (semver) Affected: 7.0 , < 7.* (semver) Affected: 8.0 , < 8.* (semver) Affected: 9.0 , < 9.* (semver) Affected: 10.0 , < 10.24.0 (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.21.0 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.16.0 (semver) Affected: 15.0 , < 15.10.0 (semver) |
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"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210416-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210416-0001/"
},
{
"name": "https://www.oracle.com//security-alerts/cpujul2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
},
{
"name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
"refsource": "MISC",
"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
},
{
"name": "https://security.netapp.com/advisory/ntap-20210723-0001/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20210723-0001/"
},
{
"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
"refsource": "CONFIRM",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2021-22884",
"datePublished": "2021-03-03T17:37:46.000Z",
"dateReserved": "2021-01-06T00:00:00.000Z",
"dateUpdated": "2025-04-30T22:24:31.227Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
Use other means of identity verification that cannot be simply spoofed. Possibilities include a username/password or certificate.
Mitigation MIT-42
Implementation
Perform proper forward and reverse DNS lookups to detect DNS spoofing.
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-275: DNS Rebinding
An adversary serves content whose IP address is resolved by a DNS server that the adversary controls. After initial contact by a web browser (or similar client), the adversary changes the IP address to which its name resolves, to an address within the target organization that is not publicly accessible. This allows the web browser to examine this internal address on behalf of the adversary.
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-89: Pharming
A pharming attack occurs when the victim is fooled into entering sensitive data into supposedly trusted locations, such as an online bank site or a trading platform. An attacker can impersonate these supposedly trusted sites and have the victim be directed to their site rather than the originally intended one. Pharming does not require script injection or clicking on malicious links for the attack to succeed.