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.

6666 vulnerabilities reference this CWE, most recent first.

CVE-2026-26138 (GCVE-0-2026-26138)

Vulnerability from cvelistv5 – Published: 2026-03-19 21:06 – Updated: 2026-06-19 18:17 Exclusively Hosted Service
VLAI
Title
Microsoft Purview Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Purview allows an unauthorized attacker to elevate privileges over a network.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-21 04:01 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Purview Affected: -
    cpe:2.3:a:microsoft:office_purview:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-19 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26137 (GCVE-0-2026-26137)

Vulnerability from cvelistv5 – Published: 2026-03-19 21:06 – Updated: 2026-06-19 18:18 Exclusively Hosted Service
VLAI
Title
Microsoft Exchange Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Exchange allows an authorized attacker to elevate privileges over a network.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-20 00:00 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Exchange Online Affected: -
    cpe:2.3:a:microsoft:exchange_online:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-19 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26135 (GCVE-0-2026-26135)

Vulnerability from cvelistv5 – Published: 2026-04-02 23:26 – Updated: 2026-10-15 15:53 Exclusively Hosted Service
VLAI
Title
Azure Custom Locations Resource Provider (RP) Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Azure Custom Locations Resource Provider (RP) allows an authorized attacker to elevate privileges over a network.
Severity
9.6 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-03 00:00 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Azure Custom Locations Resource Provider Affected: -
    cpe:2.3:a:microsoft:azure_custom_locations_resource_provider:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-02 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26121 (GCVE-0-2026-26121)

Vulnerability from cvelistv5 – Published: 2026-03-10 17:05 – Updated: 2026-06-19 18:17
VLAI
Title
Azure IOT Explorer Spoofing Vulnerability
Summary
Server-side request forgery (ssrf) in Azure IoT Explorer allows an unauthorized attacker to perform spoofing over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-11 14:54 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
  • CWE-20 - Improper Input Validation
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Azure IoT Explorer Affected: 1.0.0 , < 0.15.14 (custom)
    cpe:2.3:a:microsoft:azure_iot_explorer:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-10 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26120 (GCVE-0-2026-26120)

Vulnerability from cvelistv5 – Published: 2026-03-19 21:06 – Updated: 2026-06-19 18:18 Exclusively Hosted Service
VLAI
Title
Microsoft Bing Tampering Vulnerability
Summary
Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to perform tampering over a network.
Severity
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-21 03:28 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft Bing Affected: -
    cpe:2.3:a:microsoft:bing:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-03-19 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26118 (GCVE-0-2026-26118)

Vulnerability from cvelistv5 – Published: 2026-03-10 17:05 – Updated: 2026-06-19 18:18
VLAI
Title
Azure MCP Server Tools Elevation of Privilege Vulnerability
Summary
Server-side request forgery (ssrf) in Azure MCP Server allows an authorized attacker to elevate privileges over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-05 00:00 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3973 records in the last 180 days details
References
Impacted products
Date Public
2026-03-10 14:00
Show details on NVD website
To clipboard 

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CVE-2026-26019 (GCVE-0-2026-26019)

Vulnerability from cvelistv5 – Published: 2026-02-11 21:11 – Updated: 2026-02-12 21:14
VLAI
Title
@langchain/community affected by SSRF Bypass in RecursiveUrlLoader via insufficient URL origin validation
Summary
LangChain is a framework for building LLM-powered applications. Prior to 1.1.14, the RecursiveUrlLoader class in @langchain/community is a web crawler that recursively follows links from a starting URL. Its preventOutside option (enabled by default) is intended to restrict crawling to the same site as the base URL. The implementation used String.startsWith() to compare URLs, which does not perform semantic URL validation. An attacker who controls content on a crawled page could include links to domains that share a string prefix with the target, causing the crawler to follow links to attacker-controlled or internal infrastructure. Additionally, the crawler performed no validation against private or reserved IP addresses. A crawled page could include links targeting cloud metadata services, localhost, or RFC 1918 addresses, and the crawler would fetch them without restriction. This vulnerability is fixed in 1.1.14.
Severity
4.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-12 21:14 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8091 records in the last 180 days details
References
Impacted products
Vendor Product Version
langchain-ai langchainjs Affected: < 1.1.14
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-26013 (GCVE-0-2026-26013)

Vulnerability from cvelistv5 – Published: 2026-02-10 21:51 – Updated: 2026-02-11 21:26
VLAI
Title
LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages
Summary
LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.get_num_tokens_from_messages() method fetches arbitrary image_url values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Request Forgery (SSRF) attacks by providing malicious image URLs in user input. This vulnerability is fixed in 1.2.11.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 21:26 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8091 records in the last 180 days details
References
Impacted products
Vendor Product Version
langchain-ai langchain Affected: < 1.2.11
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-26005 (GCVE-0-2026-26005)

Vulnerability from cvelistv5 – Published: 2026-02-12 20:34 – Updated: 2026-02-12 20:48
VLAI
Title
ClipBucket v5 enables internal network scans via an SSRF vulnerability
Summary
ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #45, in Clip Bucket V5, The Remote Play allows creating video entries that reference external video URLs without uploading the video files to the server. However, by specifying an internal network host in the video URL, an SSRF can be triggered, causing GET requests to be sent to internal servers. An attacker can exploit this to scan the internal network. Even a regular (non-privileged) user can carry out the attack.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 2026-02-12 20:47 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8091 records in the last 180 days details
References
Impacted products
Vendor Product Version
MacWarrior clipbucket-v5 Affected: < 5.5.3 - #45
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2026-25991 (GCVE-0-2026-25991)

Vulnerability from cvelistv5 – Published: 2026-02-13 18:29 – Updated: 2026-02-13 19:58
VLAI
Title
Tandoor Recipes affected by Blind SSRF with Internal Network Access via Recipe Import
Summary
Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. Prior to 2.5.1, there is a Blind Server-Side Request Forgery (SSRF) vulnerability in the Cookmate recipe import feature of Tandoor Recipes. The application fails to validate the destination URL after following HTTP redirects, allowing any authenticated user (including standard users without administrative privileges) to force the server to connect to arbitrary internal or external resources. The vulnerability lies in cookbook/integration/cookmate.py, within the Cookmate integration class. This vulnerability can be leveraged to scan internal network ports, access cloud instance metadata (e.g., AWS/GCP Metadata Service), or disclose the server's real IP address. This vulnerability is fixed in 2.5.1.
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 2026-02-13 19:56 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 8091 records in the last 180 days details
References
Impacted products
Vendor Product Version
TandoorRecipes recipes Affected: < 2.5.1
Create a notification for this product.
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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