Common Weakness Enumeration

CWE-918

Allowed

Server-Side Request Forgery (SSRF)

Abstraction: Base · Status: Incomplete

API response cwe.mitre.org

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

6271 vulnerabilities reference this CWE, most recent first.

CVE-2026-58418 (GCVE-0-2026-58418)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:54 – Updated: 2026-07-06 15:14
VLAI
Title
SSRF via HTTP Redirect in Repository Migration
Summary
SSRF via HTTP Redirect in Repository Migration
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:14 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Gitea Gitea Open Source Git Server Affected: 0 , ≤ 1.25.4 (semver)
Create a notification for this product.
Credits
moltenbit
Show details on NVD website
To clipboard 

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CVE-2026-58404 (GCVE-0-2026-58404)

Vulnerability from cvelistv5 – Published: 2026-07-06 19:16 – Updated: 2026-07-07 15:08
VLAI
Title
Hugo security.http.urls deny rules bypassed by alternate IPv4 encodings
Summary
Hugo is a static site generator. From v0.162.0 through v0.163.0, the default security.http.urls policy denies requests to loopback, internal, and cloud-metadata IPv4 literals, but the deny rule only matched dotted-decimal notation, so alternate IPv4 encodings of the same addresses, including integer, hex, or octal, passed the policy. When a template passes an untrusted or data-derived URL to resources.GetRemote and the host platform uses the cgo system resolver, these encodings resolve to the blocked address, allowing build-time server-side requests to loopback and internal services, including the cloud-metadata endpoint in hosted or CI builds; the same check is reused on redirects, so the gap also applies to each redirect hop. This issue is fixed in v0.163.1.
Severity
4.6 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-07 15:08 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
gohugoio hugo Affected: >= v0.162.0, < v0.163.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-58314 (GCVE-0-2026-58314)

Vulnerability from cvelistv5 – Published: 2026-08-13 16:44 – Updated: 2026-08-14 17:35
VLAI
Title
Two SSRF findings in Gitea 1.26.2
Summary
Two SSRF findings in Gitea 1.26.2
Severity
7.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 17:35 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Gitea Gitea Open Source Git Server Affected: 0 , ≤ 1.26.4 (semver)
Create a notification for this product.
Credits
xclow3n
Show details on NVD website
To clipboard 

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CVE-2026-58301 (GCVE-0-2026-58301)

Vulnerability from cvelistv5 – Published: 2026-08-31 07:40 – Updated: 2026-08-31 15:29
VLAI
Title
Apache Shiro: Server-side POST request may be steered to an alternate host
Summary
When Apache Shiro is used with the Jakarta EE integration module, a low-privileged user can craft an HTTP request that causes the server to initiate a connection to an attacker-controlled URL and transmit attacker-controlled data. This vulnerability affects Apache Shiro versions 2.x through 3.0.0 only in deployments that use the Jakarta EE integration module. Mitigation: Upgrade to version 3.0.1 or later, which fixes the issue. + Alternatively, you can set the `org.apache.shiro.form-resubmit-host` (String) and `org.apache.shiro.form-resubmit-port` (Integer) system properties to restrict the host and port that Shiro will connect to when resubmitting a form.
Severity
5.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/S:P/AU:Y/R:U/V:D/RE:L/U:Amber
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 15:26 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Shiro Affected: 2.0.0-alpha-0 , ≤ 3.0.0 (semver)
Create a notification for this product.
Credits
liyi.zhou@sydney.edu.au (Liyi), https://lzhou1110.github.io/ ziyue0530@gmail.com (Ziyue), https://zyy0530.github.io/ cshe0476@uni.sydney.edu.au (Strick), https://str1ckl4nd.github.io/ chng0012@uni.sydney.edu.au (Maurice), http://maurice.busystar.org/ cyu210608@gmail.com (Chenchen), https://7thparkk.github.io/ Lenny Primak <lenny@flowlogix.com> Andrea Cosentino
Show details on NVD website
To clipboard 

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CVE-2026-58278 (GCVE-0-2026-58278)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:32 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-58201 (GCVE-0-2026-58201)

Vulnerability from cvelistv5 – Published: 2026-09-15 16:48 – Updated: 2026-09-15 19:01
VLAI
Title
Lokka: Azure Resource Manager URL path validation issue
Summary
Lokka is a Model Context Protocol server for Microsoft 365, including Microsoft Graph and other services. Prior to 2.1.2, the Lokka-Microsoft tool in src/mcp/src/main.ts uses direct URL string concatenation to append the user-controlled path value to the management.azure.com base URL. A specially crafted path can alter URL authority parsing and cause an Azure Resource Manager bearer token to be sent to an unintended host. This issue is fixed in version 2.1.2.
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
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 19:01 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
merill lokka Affected: < 2.1.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-58196 (GCVE-0-2026-58196)

Vulnerability from cvelistv5 – Published: 2026-09-15 15:53 – Updated: 2026-09-15 17:27
VLAI
Title
ToolHive: SSRF in remote MCP server authentication discovery (host-side, bypasses container isolation)
Summary
ToolHive is a utility designed to simplify the deployment and management of Model Context Protocol (MCP) servers. Prior to 0.31.0, remote.Handler.Authenticate in pkg/auth/remote/handler.go invokes discovery.DetectAuthenticationFromServer in pkg/auth/discovery/discovery.go, whose host-side HTTP clients trust remote-server-controlled authentication discovery destinations, follow redirects without host or scheme restrictions, and do not consistently block private addresses. A malicious or compromised remote MCP server can place a resource_metadata URL in WWW-Authenticate for ParseWWWAuthenticate to extract, after which FetchResourceMetadata, OIDC issuer discovery, and well-known discovery can issue GET requests to link-local, RFC1918, or other internal services outside the server's container. The user connects to a server that the user intends to use, but the server controls the internal destination; this path does not depend on the separate NAT64 guard omission because the affected clients did not invoke IsPrivateIP, and it differs from the DCR resolver path that already refused redirects. The demonstrated primitive reaches internal-only HTTP services and reachability or error oracles, and can retrieve AWS metadata credentials where IMDSv1 accepts an unauthenticated GET, while IMDSv2 and GCP metadata prerequisites are not satisfied by the demonstrated request. This vulnerability is fixed in 0.31.0.
Severity
4.7 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:27 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
stacklok toolhive Affected: < 0.31.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-58189 (GCVE-0-2026-58189)

Vulnerability from cvelistv5 – Published: 2026-07-29 09:05 – Updated: 2026-10-01 17:05
VLAI
Title
Apache Traffic Server: Plugins resetting the redirect counter enable SSRF amplification
Summary
Apache Traffic Server allows redirect-limit bypass when plugins reset the retry counter, enabling SSRF amplification. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 12:10 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Traffic Server Affected: 8.0.0 , ≤ 8.1.11 (semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver)
Affected: 10.0.0 , ≤ 10.1.3 (semver)
Create a notification for this product.
Credits
Omkhar Arasaratnam
Show details on NVD website
To clipboard 

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CVE-2026-57993 (GCVE-0-2026-57993)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:17
VLAI
Title
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:55 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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CVE-2026-57987 (GCVE-0-2026-57987)

Vulnerability from cvelistv5 – Published: 2026-07-03 20:35 – Updated: 2026-10-08 18:13
VLAI
Title
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 16:29 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft Edge (Chromium-based) Affected: 1.0.0.0 , < 150.0.4078.48 (custom)
    cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-07-03 14:00
Show details on NVD website
To clipboard 

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No mitigation information available for this CWE.

CAPEC-664: Server Side Request Forgery

An adversary exploits improper input validation by submitting maliciously crafted input to a target application running on a server, with the goal of forcing the server to make a request either to itself, to web services running in the server’s internal network, or to external third parties. If successful, the adversary’s request will be made with the server’s privilege level, bypassing its authentication controls. This ultimately allows the adversary to access sensitive data, execute commands on the server’s network, and make external requests with the stolen identity of the server. Server Side Request Forgery attacks differ from Cross Site Request Forgery attacks in that they target the server itself, whereas CSRF attacks exploit an insecure user authentication mechanism to perform unauthorized actions on the user's behalf.

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