Common Weakness Enumeration
CWE-918
AllowedServer-Side Request Forgery (SSRF)
Abstraction: Base · Status: Incomplete
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.
4667 vulnerabilities reference this CWE, most recent first.
CVE-2026-4964 (GCVE-0-2026-4964)
Vulnerability from cvelistv5 – Published: 2026-03-27 17:05 – Updated: 2026-03-31 15:11
VLAI
EPSS
VEX
Title
letta-ai letta File URL message_helper.py _convert_message_create_to_message server-side request forgery
Summary
A security vulnerability has been detected in letta-ai letta 0.16.4. This vulnerability affects the function _convert_message_create_to_message of the file letta/helpers/message_helper.py of the component File URL Handler. Such manipulation of the argument ImageContent leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.353841 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.353841 | signaturepermissions-required |
| https://vuldb.com/?submit.777645 | third-party-advisory |
| https://gist.github.com/YLChen-007/fde4d5ed6ac4aa… | exploit |
Impacted products
Credits
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CVE-2026-4953 (GCVE-0-2026-4953)
Vulnerability from cvelistv5 – Published: 2026-03-27 14:13 – Updated: 2026-03-30 12:05
VLAI
EPSS
VEX
Title
mingSoft MCMS Editor Endpoint BaseAction.java catchImage server-side request forgery
Summary
A weakness has been identified in mingSoft MCMS up to 5.5.0. This issue affects the function catchImage of the file net/mingsoft/cms/action/BaseAction.java of the component Editor Endpoint. Executing a manipulation of the argument catchimage can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.353831 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.353831 | signaturepermissions-required |
| https://vuldb.com/?submit.777516 | third-party-advisory |
| https://github.com/wing3e/public_exp/issues/3 | exploitissue-tracking |
Impacted products
Credits
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CVE-2026-4907 (GCVE-0-2026-4907)
Vulnerability from cvelistv5 – Published: 2026-03-27 01:33 – Updated: 2026-03-27 13:49
VLAI
EPSS
VEX
Title
Page-Replica Page Replica Endpoint sitemap sitemap.fetch server-side request forgery
Summary
A vulnerability was identified in Page-Replica Page Replica up to e4a7f52e75093ee318b4d5a9a9db6751050d2ad0. The impacted element is the function sitemap.fetch of the file /sitemap of the component Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.353658 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.353658 | signaturepermissions-required |
| https://vuldb.com/?submit.777447 | third-party-advisory |
| https://github.com/lakshayyverma/CVE-Discovery/bl… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Page-Replica | Page Replica |
Affected:
e4a7f52e75093ee318b4d5a9a9db6751050d2ad0
|
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CVE-2026-4874 (GCVE-0-2026-4874)
Vulnerability from cvelistv5 – Published: 2026-03-26 07:12 – Updated: 2026-06-26 07:01
VLAI
EPSS
VEX
Title
Org.keycloak.protocol.oidc.grants: org.keycloak.services.managers: keycloak: server-side request forgery via oidc token endpoint manipulation
Summary
A flaw was found in Keycloak. An authenticated attacker can perform Server-Side Request Forgery (SSRF) by manipulating the `client_session_host` parameter during refresh token requests. This occurs when a Keycloak client is configured to use the `backchannel.logout.url` with the `application.session.host` placeholder. Successful exploitation allows the attacker to make HTTP requests from the Keycloak server’s network context, potentially probing internal networks or internal APIs, leading to information disclosure.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:25097 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:25098 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30049 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:30050 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-4874 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2451611 | issue-trackingx_refsource_REDHAT |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.13-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-19 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.13 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6.3-3 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6 |
Unaffected:
26.6-6 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.6.3 |
cpe:/a:redhat:build_keycloak:26.6::el9 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7 |
Date Public
2026-03-26 05:56
Credits
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CVE-2026-4623 (GCVE-0-2026-4623)
Vulnerability from cvelistv5 – Published: 2026-03-24 01:39 – Updated: 2026-03-24 15:12 X_Open Source
VLAI
EPSS
VEX
Title
DefaultFuction Jeson-Customer-Relationship-Management-System API Module System.php server-side request forgery
Summary
A security vulnerability has been detected in DefaultFuction Jeson-Customer-Relationship-Management-System up to 1b4679c4d06b90d31dd521c2b000bfdec5a36e00. This affects an unknown function of the file /api/System.php of the component API Module. The manipulation of the argument url leads to server-side request forgery. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The identifier of the patch is f76e7123fe093b8675f88ec8f71725b0dd186310/98bd4eb07fa19d4f2c5228de6395580013c97476. It is suggested to install a patch to address this issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.352482 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.352482 | signaturepermissions-required |
| https://vuldb.com/?submit.775760 | third-party-advisory |
| https://github.com/DefaultFuction/Jeson-Customer-… | issue-tracking |
| https://github.com/DefaultFuction/Jeson-Customer-… | issue-tracking |
| https://github.com/DefaultFuction/Jeson-Customer-… | exploitissue-tracking |
| https://github.com/DefaultFuction/Jeson-Customer-… | patch |
| https://github.com/DefaultFuction/Jeson-Customer-… | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DefaultFuction | Jeson-Customer-Relationship-Management-System |
Affected:
n/a
|
Credits
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CVE-2026-4589 (GCVE-0-2026-4589)
Vulnerability from cvelistv5 – Published: 2026-03-23 13:32 – Updated: 2026-04-18 03:36
VLAI
EPSS
VEX
Title
kalcaddle kodbox fileGet Endpoint editor.class.php PathDriverUrl server-side request forgery
Summary
A vulnerability was identified in kalcaddle kodbox 1.64. The affected element is the function PathDriverUrl of the file /workspace/source-code/app/controller/explorer/editor.class.php of the component fileGet Endpoint. Such manipulation of the argument path leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. 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 (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/352425 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/352425/cti | signaturepermissions-required |
| https://vuldb.com/submit/775467 | third-party-advisory |
| https://vulnplus-note.wetolink.com/share/UTZQq38f9VyI | broken-linkexploit |
Credits
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CVE-2026-4528 (GCVE-0-2026-4528)
Vulnerability from cvelistv5 – Published: 2026-03-21 22:02 – Updated: 2026-03-23 16:25
VLAI
EPSS
VEX
Title
trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery
Summary
A vulnerability was determined in trueleaf ApiFlow 0.9.7. The impacted element is the function validateUrlSecurity of the file packages/server/src/service/proxy/http_proxy.service.ts of the component URL Validation Handler. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.352316 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.352316 | signaturepermissions-required |
| https://vuldb.com/?submit.784197 | third-party-advisory |
| https://www.notion.so/Server-Side-Request-Forgery… | exploit |
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CVE-2026-4366 (GCVE-0-2026-4366)
Vulnerability from cvelistv5 – Published: 2026-03-18 04:02 – Updated: 2026-06-09 16:36
VLAI
EPSS
VEX
Title
Keycloak-services: blind server-side request forgery (ssrf) via http redirect handling in keycloak
Summary
A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. This behavior allows an attacker to trick the server into making unintended requests to internal or restricted resources. As a result, sensitive internal services such as cloud metadata endpoints could be accessed. This issue may lead to information disclosure and enable attackers to map internal network infrastructure.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2026:19596 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:19597 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/security/cve/CVE-2026-4366 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2448543 | issue-trackingx_refsource_REDHAT |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4.12-1 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4 |
Unaffected:
26.4-17 , < *
(rpm)
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat build of Keycloak 26.4.12 |
cpe:/a:redhat:build_keycloak:26.4::el9 |
|
| Red Hat | Red Hat Build of Keycloak |
cpe:/a:redhat:build_keycloak: |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 |
cpe:/a:redhat:jboss_enterprise_application_platform:8 |
|
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack |
cpe:/a:redhat:jbosseapxp |
|
| Red Hat | Red Hat Single Sign-On 7 |
cpe:/a:redhat:red_hat_single_sign_on:7 |
Date Public
2026-03-18 00:00
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CVE-2026-4339 (GCVE-0-2026-4339)
Vulnerability from cvelistv5 – Published: 2026-06-26 14:44 – Updated: 2026-06-26 15:40
VLAI
EPSS
VEX
Title
SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server
Summary
Mattermost versions 10.11.x <= 10.11.18, 11.6.x <= 11.6.3, 11.5.x <= 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery (SSRF) and exfiltrate data from internal network services via supplying internal URLs as file attachments in post creation requests.. Mattermost Advisory ID: MMSA-2026-00635
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | Mattermost |
Affected:
10.11.0 , ≤ 10.11.18
(semver)
Affected: 11.6.0 , ≤ 11.6.3 (semver) Affected: 11.5.0 , ≤ 11.5.6 (semver) Unaffected: 11.7.0 Unaffected: 10.11.19 Unaffected: 11.6.4 Unaffected: 11.5.7 |
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"tags": [
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"url": "https://mattermost.com/security-updates"
}
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"solutions": [
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"value": "Update Mattermost to versions 11.7.0, 10.11.19, 11.6.4, 11.5.7 or higher."
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"defect": [
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"discovery": "EXTERNAL"
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"title": "SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server",
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"datePublished": "2026-06-26T14:44:58.655Z",
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CVE-2026-4328 (GCVE-0-2026-4328)
Vulnerability from cvelistv5 – Published: 2026-06-19 04:31 – Updated: 2026-06-22 15:56
VLAI
EPSS
VEX
Title
Advanced Import: One-Click Demo Import for WordPress <= 1.4.6 - Authenticated (Author+) Server-Side Request Forgery via 'demo_file' Parameter
Summary
The Advanced Import plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.6. This is due to the plugin using wp_remote_get() to fetch a user-supplied URL without validating that the URL does not point to internal or private network resources in the demo_download_and_unzip() function. The 'demo_file' parameter from $_POST is passed through sanitize_text_field() (which only handles XSS-related sanitization) and then directly into wp_remote_get() when 'demo_file_type' is set to 'url'. Notably, the plugin uses wp_safe_remote_get() in other locations (theme template libraries) which would provide SSRF protection, but fails to use it in this critical AJAX handler. This makes it possible for authenticated attackers, with Author-level access and above (upload_files capability), to make web requests to arbitrary locations originating from the web application, which can be used to query and view data from internal services, including cloud instance metadata endpoints.
Severity
6.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| addonspress | Advanced Import |
Affected:
0 , ≤ 1.4.6
(semver)
|
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-4328",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-22T15:56:14.850452Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-22T15:56:34.790Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Advanced Import",
"vendor": "addonspress",
"versions": [
{
"lessThanOrEqual": "1.4.6",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "loris lentini"
}
],
"descriptions": [
{
"lang": "en",
"value": "The Advanced Import plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.4.6. This is due to the plugin using wp_remote_get() to fetch a user-supplied URL without validating that the URL does not point to internal or private network resources in the demo_download_and_unzip() function. The \u0027demo_file\u0027 parameter from $_POST is passed through sanitize_text_field() (which only handles XSS-related sanitization) and then directly into wp_remote_get() when \u0027demo_file_type\u0027 is set to \u0027url\u0027. Notably, the plugin uses wp_safe_remote_get() in other locations (theme template libraries) which would provide SSRF protection, but fails to use it in this critical AJAX handler. This makes it possible for authenticated attackers, with Author-level access and above (upload_files capability), to make web requests to arbitrary locations originating from the web application, which can be used to query and view data from internal services, including cloud instance metadata endpoints."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6.4,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
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"descriptions": [
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"cweId": "CWE-918",
"description": "CWE-918 Server-Side Request Forgery (SSRF)",
"lang": "en",
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}
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}
],
"providerMetadata": {
"dateUpdated": "2026-06-19T04:31:33.421Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"references": [
{
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/baf55ce7-8a33-426c-a6a4-158a95a13a5c?source=cve"
},
{
"url": "https://plugins.trac.wordpress.org/browser/advanced-import/trunk/admin/class-advanced-import-admin.php#L612"
},
{
"url": "https://plugins.trac.wordpress.org/browser/advanced-import/tags/1.4.5/admin/class-advanced-import-admin.php#L612"
},
{
"url": "https://plugins.trac.wordpress.org/browser/advanced-import/trunk/admin/class-advanced-import-admin.php#L561"
},
{
"url": "https://plugins.trac.wordpress.org/browser/advanced-import/tags/1.4.5/admin/class-advanced-import-admin.php#L561"
},
{
"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3566433%40advanced-import\u0026new=3566433%40advanced-import\u0026sfp_email=\u0026sfph_mail="
}
],
"timeline": [
{
"lang": "en",
"time": "2026-03-30T17:54:37.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-06-18T15:57:02.000Z",
"value": "Disclosed"
}
],
"title": "Advanced Import: One-Click Demo Import for WordPress \u003c= 1.4.6 - Authenticated (Author+) Server-Side Request Forgery via \u0027demo_file\u0027 Parameter"
}
},
"cveMetadata": {
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"assignerShortName": "Wordfence",
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"datePublished": "2026-06-19T04:31:33.421Z",
"dateReserved": "2026-03-17T13:35:59.158Z",
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"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.