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.

5472 vulnerabilities reference this CWE, most recent first.

CVE-2026-82262 (GCVE-0-2026-82262)

Vulnerability from cvelistv5 – Published: 2026-08-28 16:18 – Updated: 2026-08-31 18:55
VLAI
Title
Logto Server-Side Request Forgery via webhook test endpoint
Summary
Logto through 1.42.0 contains a server-side request forgery vulnerability in the POST /api/hooks/:id/test endpoint that accepts arbitrary URLs without host validation. Tenant administrators with Management API tokens can make the server issue HTTP POST requests to internal URLs and retrieve response bodies from services on the private network.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
6.8 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/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 2026-08-31 16:23 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
logto-io logto Affected: 0 , ≤ 1.42.0 (semver)
Create a notification for this product.
Date Public
2026-08-16 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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CVE-2026-82246 (GCVE-0-2026-82246)

Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:45
VLAI
Title
Budibase Server before 3.41.3 SSRF via Query Import
Summary
Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the query import endpoint that fails to validate user-supplied URLs before fetching content. Attackers can submit arbitrary URLs to retrieve responses from internal services including cloud metadata endpoints and other restricted network resources.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:44 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
budibase server Affected: 0 , < 3.41.3 (semver)
Unaffected: 3.41.3 (semver)
    cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-14 00:00
Credits
theamanrawat
Show details on NVD website
To clipboard 

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CVE-2026-82243 (GCVE-0-2026-82243)

Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-31 18:31
VLAI
Title
Budibase Server before 3.41.3 SSRF with Credential Leakage
Summary
Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the datasource verify endpoint that allows builder-level users to supply arbitrary URLs without SSRF validation. Attackers can exploit this to leak internal CouchDB credentials by making requests to attacker-controlled servers, gaining full database access in cloud deployments.
Severity
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:31 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
budibase server Affected: 0 , < 3.41.3 (semver)
Unaffected: 3.41.3 (semver)
    cpe:2.3:a:budibase:budibase:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-14 00:00
Show details on NVD website
To clipboard 

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CVE-2026-82241 (GCVE-0-2026-82241)

Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 14:46
VLAI
Title
Budibase backend-core SSRF via incomplete default blacklist
Summary
Budibase backend-core (@budibase/backend-core, as used by @budibase/server) omits the shared address space range 100.64.0.0/10 from its default SSRF blacklist (DEFAULT_BLACKLIST) used by REST datasource query previews. When the default blacklist is active (i.e., a self-hosted deployment has not defined BLACKLIST_IPS), an authenticated user with the Builder permission can submit a REST datasource query preview request to POST /api/queries/preview targeting a reachable HTTP(S) service in the 100.64.0.0/10 range, causing the server to send a request to that target and return its response through the preview flow. Per the advisory, no released fix was identified at the time of publication; remediation is to add 100.64.0.0/10 to DEFAULT_BLACKLIST.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:46 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
budibase server Affected: 0 , < 3.41.3 (semver)
Unaffected: 3.41.3 (semver)
Create a notification for this product.
Date Public
2026-08-14 00:00
Credits
sec-reex
Show details on NVD website
To clipboard 

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CVE-2026-82234 (GCVE-0-2026-82234)

Vulnerability from cvelistv5 – Published: 2026-08-28 10:49 – Updated: 2026-08-28 16:10
VLAI
Title
SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU
Summary
SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the http_request and web_fetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolution. Attackers can use DNS rebinding to answer the guard resolution with a public IP and the connect resolution with a private or metadata IP, bypassing the SSRF defense to access cloud instance metadata and internal services.
Severity
8.4 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:09 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
siyuan-note siyuan Affected: 0 , < 3.8.1 (semver)
Unaffected: 3.8.1 (semver)
    cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-13 00:00
Credits
joysinleung
Show details on NVD website
To clipboard 

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CVE-2026-82081 (GCVE-0-2026-82081)

Vulnerability from cvelistv5 – Published: 2026-08-28 02:40 – Updated: 2026-08-28 15:16
VLAI
Summary
wallabag 2 through 2.6.14 allows SSRF because a crafted title or content field is mishandled during PDF export.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 15:15 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
wallabag wallabag Affected: 2.0.0 , ≤ 2.6.14 (semver)
    cpe:2.3:a:wallabag:wallabag:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-81889 (GCVE-0-2026-81889)

Vulnerability from cvelistv5 – Published: 2026-08-31 20:25 – Updated: 2026-08-31 20:25
VLAI
Title
elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback
Summary
elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validate_address() validates $info['ip'], but get_remote_contents() selects fsock_get_contents(), which connects to $arr['host'] and performs a second DNS resolution. An attacker able to submit a URL upload can use DNS rebinding to have the first resolution return a public address and the connection resolution return a loopback or private address, causing the internal HTTP response body to be stored as an uploaded file and made readable through elFinder. After a successful fetch, get_headers($url, true) separately requests the original hostname without reusing the validated and pinned connection, creating an additional blind server-side request forgery path even when curl_get_contents() is selected. This issue is fixed in version 2.1.70.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
Studio-42 elFinder Affected: < 2.1.70
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-81848 (GCVE-0-2026-81848)

Vulnerability from cvelistv5 – Published: 2026-08-27 22:30 – Updated: 2026-08-28 17:44 X_Open Source
VLAI
Title
cyberchitta scrapling-fetch-mcp _fetcher.py s_fetch_pattern server-side request forgery
Summary
A vulnerability was determined in cyberchitta scrapling-fetch-mcp up to 0.2.2. The impacted element is the function s_fetch_page/s_fetch_pattern of the file src/scrapling_fetch_mcp/_fetcher.py. Executing a manipulation can lead to server-side request forgery. The attack can be launched remotely. Upgrading to version 0.2.3 is sufficient to resolve this issue. This patch is called 9f6f34e92c55c3d95566ad9c62aca7327d24533a. Upgrading the affected component is advised.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
3.5 (Low)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 17:43 UTC
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
Impacted products
Vendor Product Version
cyberchitta scrapling-fetch-mcp Affected: 0.2.0
Affected: 0.2.1
Affected: 0.2.2
Unaffected: 0.2.3
    cpe:2.3:a:cyberchitta:scrapling-fetch-mcp:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Mcfly_Zhang (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-81678 (GCVE-0-2026-81678)

Vulnerability from cvelistv5 – Published: 2026-08-27 14:50 – Updated: 2026-08-29 11:48
VLAI
Title
AVideo SSRF Guard Bypass via IPv6 Transition Addresses
Summary
AVideo before 24.0 contains a server-side request forgery vulnerability in the isSSRFSafeURL function that fails to extract embedded IPv4 addresses from NAT64, 6to4, and Teredo IPv6 transition address formats. Unauthenticated attackers can bypass SSRF protections via the LiveLinks proxy endpoint to reach internal services and cloud metadata endpoints by encoding private IPv4 targets in transition address formats.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
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 2026-08-27 18:18 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: 0 , < 24.0 (custom)
Unaffected: 24.0 (custom)
    cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-12 00:00
Show details on NVD website
To clipboard 

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CVE-2026-81421 (GCVE-0-2026-81421)

Vulnerability from cvelistv5 – Published: 2026-08-26 23:45 – Updated: 2026-08-27 14:01
VLAI
Title
ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery
Summary
A security flaw has been discovered in ddfourtwo sentry-selfhosted-mcp 0.4.0. The affected element is an unknown function of the component raw_sentry_api. The manipulation of the argument endpoint results in server-side request forgery. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 14:01 UTC
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
References
Impacted products
Vendor Product Version
ddfourtwo sentry-selfhosted-mcp Affected: 0.4.0
    cpe:2.3:a:ddfourtwo:sentry-selfhosted-mcp:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
cccccccti (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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        }
      ],
      "title": "ddfourtwo sentry-selfhosted-mcp raw_sentry_api server-side request forgery",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-81421",
    "datePublished": "2026-08-26T23:45:09.560Z",
    "dateReserved": "2026-08-26T19:05:40.944Z",
    "dateUpdated": "2026-08-27T14:01:32.252Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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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