Common Weakness Enumeration

CWE-918

Allowed

Server-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.

6536 vulnerabilities reference this CWE, most recent first.

CVE-2026-76900 (GCVE-0-2026-76900)

Vulnerability from cvelistv5 – Published: 2026-09-18 19:56 – Updated: 2026-09-22 15:42
VLAI
Title
CordysCRM: SSRF via Approval Flow Webhook Execution due to Missing SSRF Validation at Runtime
Summary
CordysCRM is an open source AI-powered customer relationship management system that supports private deployment. In version 1.7.3, ApprovalResourceService.sendWebHook reads WebHookConfig.webHookUrl from stored approval-node configuration and passes it through ApprovalFlowService.updateApprovalPostField to HttpClientUtils without the SSRF validation used by the optional testConnect path. A user with PROCESS_SETTING_ADD can configure an internal URL through POST /approval-flow/add and cause the server to request it when POST /approval-action/approve executes the approval action, enabling cloud metadata access, internal network reconnaissance, and interaction with reachable internal services. This issue is fixed in version 1.7.4.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 15:42 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
Impacted products
Vendor Product Version
1Panel-dev CordysCRM Affected: = 1.7.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-76898 (GCVE-0-2026-76898)

Vulnerability from cvelistv5 – Published: 2026-09-21 16:31 – Updated: 2026-09-24 22:21
VLAI
Title
draw.io: Unauthenticated SSRF via IPv6 ULA blocklist bypass in /embed2.js
Summary
draw.io is a configurable diagramming and whiteboarding application. Prior to version 30.3.8, src/main/java/com/mxgraph/online/Utils.java checks IPv6 Unique Local Addresses in Utils.sanitizeUrl() by comparing the text prefixes fc00:: and fd00::, but the JDK returns the expanded address form, so the fc00::/7 range, including the AWS metadata range fd00:ec2::/32, is not blocked. An unauthenticated request to /embed2.js?fetch= can therefore make src/main/java/com/mxgraph/online/EmbedServlet2.java fetch an IPv6 ULA internal resource and reflect the response to the requester. Utils.validatedAddress() uses the same private-address check for the separate ProxyServlet path, which requires ENABLE_DRAWIO_PROXY=1. The primary /embed2.js path requires no proxy feature flag or DNS rebinding, and it can disclose cloud metadata credentials or data from other IPv6-reachable internal services. This issue is fixed in version 30.3.8.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 22:21 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
Impacted products
Vendor Product Version
jgraph drawio Affected: < 30.3.8
Create a notification for this product.
Show details on NVD website

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CVE-2026-76851 (GCVE-0-2026-76851)

Vulnerability from cvelistv5 – Published: 2026-09-01 21:55 – Updated: 2026-09-02 13:09
VLAI
Title
Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed remote code execution via network access from pre-receive hooks to internal services
Summary
A Server-Side Request Forgery (SSRF) vulnerability was identified in GitHub Enterprise Server that allowed remote code execution on the instance. Insufficient network isolation allowed malicious pre-receive hook code to impersonate an internal service and redirect trusted internal requests to a privileged service, leading to elevated code execution. Exploitation required pre-receive hook networking to be enabled and either site administrator privileges or write access to a repository containing a configured pre-receive hook. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.22 and was fixed in versions 3.17.20, 3.18.14, 3.19.11, 3.20.7, and 3.21.5. This vulnerability was reported via the GitHub Bug Bounty program.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-02 13:09 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_P CNA under the mitre root
CNA scorecard B 84/100 over 23 records in the last 180 days details
Impacted products
Vendor Product Version
GitHub Enterprise Server Affected: 3.17.0 , ≤ 3.17.19 (semver)
Affected: 3.18.0 , ≤ 3.18.13 (semver)
Affected: 3.19.0 , ≤ 3.19.10 (semver)
Affected: 3.20.0 , ≤ 3.20.6 (semver)
Affected: 3.21.0 , ≤ 3.21.4 (semver)
Unaffected: 3.22.0 (semver)
Create a notification for this product.
Credits
Show details on NVD website

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CVE-2026-76838 (GCVE-0-2026-76838)

Vulnerability from cvelistv5 – Published: 2026-08-24 17:36 – Updated: 2026-08-29 11:47
VLAI
Title
Hi.Events before 1.11.1-beta Server-Side Request Forgery via Unvalidated Webhook Redirects
Summary
Hi.Events validates a webhook destination only when it is registered, never when it is used. NoInternalUrlRule in backend/app/Validators/Rules/NoInternalUrlRule.php resolves the hostname with gethostbyname() and rejects private and reserved ranges, which any public hostname passes. At dispatch, WebhookDispatchService takes the stored URL and calls it through spatie/laravel-webhook-server without repeating the check, and backend/config/webhook-server.php sets no Guzzle options, so redirect following remains enabled by default. A destination that answers with a redirect to a loopback, private or cloud metadata address therefore causes the server to issue that request, and changing the hostname's DNS record after registration reaches the same result because no resolution is repeated. The response is not discarded: WebhookResponseHandlerService stores the body on the webhook log and WebhookLogResource returns it from the webhook logs endpoint, so the requester reads what the internal service replied rather than inferring it. Both event and organizer webhooks share the rule and the dispatch path. Version 1.11.1-beta revalidates at dispatch, pins the validated address, checks every redirect hop, and decodes IPv6 transition addresses that previously bypassed the filter.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-27 13:54 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6762 records in the last 180 days details
Impacted products
Vendor Product Version
HiEventsDev Hi.Events Affected: 0 , < 1.11.1-beta (semver)
    cpe:2.3:a:hi.events:hi.events:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-11 00:00
Show details on NVD website

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CVE-2026-76820 (GCVE-0-2026-76820)

Vulnerability from cvelistv5 – Published: 2026-09-15 19:40 – Updated: 2026-09-16 19:23
VLAI
Title
OpenCTI: Synchronizer SSRF: stream fetch has no URL validation
Summary
OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 7.260701.0, the synchronizerFetch GraphQL query called fetchRemoteStreams after checking only that a remote stream URL used HTTP or HTTPS. The backend did not apply the ingestion deny list or reject private, loopback, and link-local destinations, allowing an authenticated account with the INGESTION capability to make OpenCTI request internal services and cloud metadata endpoints. Returned connection errors could distinguish open HTTP ports, open non-HTTP ports, and closed ports, enabling internal network scanning, while compatible endpoint responses could disclose internal data. This issue is fixed in version 7.260701.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 19:21 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7674 records in the last 180 days details
Impacted products
Vendor Product Version
OpenCTI-Platform opencti Affected: < 7.260701.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-76795 (GCVE-0-2026-76795)

Vulnerability from cvelistv5 – Published: 2026-08-20 00:45 – Updated: 2026-08-25 14:22 X_Open Source
VLAI
Title
AeternaLabsHQ PullMD REST API Endpoint api server-side request forgery
Summary
A vulnerability has been found in AeternaLabsHQ PullMD 3.2.0. This impacts an unknown function of the file /api of the component REST API Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.3.0 will fix this issue. The identifier of the patch is 96448894cc93ccecb0bdcbf263a9d25390a8455e. Upgrading the affected component is advised.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 14:21 UTC
CWE
  • CWE-918 - Server-Side Request Forgery
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3948 records in the last 180 days details
Impacted products
Vendor Product Version
AeternaLabsHQ PullMD Affected: 3.2.0
Unaffected: 3.3.0
    cpe:2.3:a:aeternalabshq:pullmd:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-76402 (GCVE-0-2026-76402)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:35 – Updated: 2026-08-20 15:26
VLAI
Title
Server-Side Request Forgery (SSRF) through the REST API in Splunk Connect for Kafka
Summary
In Splunk Connect for Kafka versions below 2.2.7, an unauthenticated user who can reach the Kafka Connect Representational State Transfer (REST) API could configure a non-secure Hypertext Transfer Protocol (HTTP) Event Collector endpoint in Splunk Enterprise that causes the connector to send authentication credentials to an attacker-controlled server, allowing for exposure of credentials that compromise all relevant data sent through the connector and limited alteration of event delivery. The vulnerability is possible because HTTP Event Collector endpoint validation does not require secure transport by default. For more information see Install Splunk Connect for Kafka (https://help.splunk.com/en/data-management/integrate-data-with-add-ons/splunk-connect-for-kafka/2.2/install/install-splunk-connect-for-kafka), Data ingestion parameters for Splunk Connect for Kafka (https://help.splunk.com/en/data-management/integrate-data-with-add-ons/splunk-connect-for-kafka/2.2/overview/data-ingestion-parameters-for-splunk-connect-for-kafka), and Set up and use HTTP Event Collector with configuration files (https://help.splunk.com/en/splunk-enterprise/get-data-in/get-started-with-getting-data-in/9.4/get-data-with-http-event-collector/set-up-and-use-http-event-collector-with-configuration-files) in the Splunk documentation.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:10 UTC
CWE
  • CWE-918 - 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.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 442 records in the last 180 days details
Impacted products
Vendor Product Version
Splunk Splunk Connect for Kafka Affected: 2.2 , < 2.2.7 (custom)
Create a notification for this product.
Date Public
2026-08-19 00:00
Show details on NVD website

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CVE-2026-76389 (GCVE-0-2026-76389)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:35 – Updated: 2026-08-20 13:25
VLAI
Title
Server-Side Request Forgery (SSRF) through the REST API in Cisco Talos Intelligence for Enterprise Security Cloud
Summary
In Cisco Talos Intelligence for Enterprise Security Cloud versions below 1.0.3, a user that holds a role with the get_talos_enrichment capability could send a crafted request to the Talos intelligence enrichment Representational State Transfer (REST) API endpoint and cause the instance to make an outbound request to an attacker-controlled server. The request could expose tokens that compromise all relevant data and system integrity in the Splunk instance. The vulnerability is possible because the Talos intelligence enrichment REST endpoint accepts the destination for authenticated Splunk management requests from request data. For more information see Deploy Cisco Talos Intelligence for Splunk Enterprise Security (https://help.splunk.com/en/splunk-enterprise-security-8/user-guide/8.0/introduction/deploy-cisco-talos-intelligence-for-splunk-enterprise-security-cloud-only) in the Splunk documentation.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 13:25 UTC
CWE
  • CWE-918 - 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.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 442 records in the last 180 days details
Impacted products
Date Public
2026-08-19 00:00
Show details on NVD website

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CVE-2026-76361 (GCVE-0-2026-76361)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:34 – Updated: 2026-08-20 16:27
VLAI
Title
Server-Side Request Forgery (SSRF) through the Connectivity Check REST API in Splunk SOAR
Summary
In Splunk SOAR versions below 8.6.0, a user with the "Administrator" role could use the /rest/support/connectivity/.../check_connectivity endpoint to make Splunk SOAR initiate outbound network connections to arbitrary destinations and determine whether internal hosts and ports are reachable. The Server-Side Request Forgery (SSRF) is possible because the connectivity check REST API does not sufficiently validate the destination before Splunk SOAR connects to it. For more information see Manage roles and permissions in Splunk SOAR (On-premises) (https://help.splunk.com/en/splunk-soar/soar-on-premises/administer-soar-on-premises/8.5.0/manage-your-splunk-soar-on-premises-users-and-accounts/manage-roles-and-permissions-in-splunk-soar-on-premises) in the Splunk documentation.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 16:14 UTC
CWE
  • CWE-918 - 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.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 442 records in the last 180 days details
Impacted products
Vendor Product Version
Splunk Splunk SOAR Affected: 8.6 , < 8.6.0 (custom)
Create a notification for this product.
Date Public
2026-08-19 00:00
Show details on NVD website

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CVE-2026-76351 (GCVE-0-2026-76351)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:34 – Updated: 2026-08-21 03:56
VLAI
Title
Server-Side Request Forgery (SSRF) through the Report Notification REST API in Splunk Secure Gateway
Summary
In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the "admin" or "power" Splunk roles could use crafted report notification data to cause Splunk Secure Gateway to send a request to the Splunk Enterprise Representational State Transfer (REST) API using a system-level session token and modify the Splunk platform configuration. The user could then obtain a session token without a password and use it to access all relevant data and affect system integrity. The vulnerability is possible because Splunk Secure Gateway does not validate decoded report notification identifiers before using them to construct requests to the Splunk Enterprise REST API.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 00:00 UTC
CWE
  • CWE-918 - 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.
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 442 records in the last 180 days details
Impacted products
Vendor Product Version
Splunk Splunk Enterprise Affected: 10.4 , < 10.4.2 (custom)
Affected: 10.2 , < 10.2.6 (custom)
Affected: 10.0 , < 10.0.9 (custom)
Affected: 9.4 , < 9.4.14 (custom)
Create a notification for this product.
Splunk Splunk Secure Gateway Affected: 3.10 , < 3.10.9 (custom)
Affected: 3.9 , < 3.9.23 (custom)
Affected: 3.8 , < 3.8.70 (custom)
Create a notification for this product.
Date Public
2026-08-19 00:00
Show details on NVD website

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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-20T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-21T03:56:18.924Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "Splunk Secure Gateway"
          ],
          "product": "Splunk Enterprise",
          "vendor": "Splunk",
          "versions": [
            {
              "lessThan": "10.4.2",
              "status": "affected",
              "version": "10.4",
              "versionType": "custom"
            },
            {
              "lessThan": "10.2.6",
              "status": "affected",
              "version": "10.2",
              "versionType": "custom"
            },
            {
              "lessThan": "10.0.9",
              "status": "affected",
              "version": "10.0",
              "versionType": "custom"
            },
            {
              "lessThan": "9.4.14",
              "status": "affected",
              "version": "9.4",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Splunk Secure Gateway",
          "vendor": "Splunk",
          "versions": [
            {
              "lessThan": "3.10.9",
              "status": "affected",
              "version": "3.10",
              "versionType": "custom"
            },
            {
              "lessThan": "3.9.23",
              "status": "affected",
              "version": "3.9",
              "versionType": "custom"
            },
            {
              "lessThan": "3.8.70",
              "status": "affected",
              "version": "3.8",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2026-08-19T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/markdown",
              "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the \"admin\" or \"power\" Splunk roles could use crafted report notification data to cause Splunk Secure Gateway to send a request to the Splunk Enterprise Representational State Transfer (REST) API using a system-level session token and modify the Splunk platform configuration. The user could then obtain a session token without a password and use it to access all relevant data and affect system integrity. The vulnerability is possible because Splunk Secure Gateway does not validate decoded report notification identifiers before using them to construct requests to the Splunk Enterprise REST API."
            }
          ],
          "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, and Splunk Secure Gateway versions below 3.10.9, 3.9.23, and 3.8.70, a user who does not hold the \"admin\" or \"power\" Splunk roles could use crafted report notification data to cause Splunk Secure Gateway to send a request to the Splunk Enterprise Representational State Transfer (REST) API using a system-level session token and modify the Splunk platform configuration. The user could then obtain a session token without a password and use it to access all relevant data and affect system integrity. The vulnerability is possible because Splunk Secure Gateway does not validate decoded report notification identifiers before using them to construct requests to the Splunk Enterprise REST API."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "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.",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-19T21:34:45.483Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "url": "https://advisory.splunk.com/advisories/SVD-2026-0801"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade Splunk Enterprise to versions 10.4.2, 10.2.6, 10.0.9, and 9.4.14, or higher."
        }
      ],
      "source": {
        "advisory": "SVD-2026-0801"
      },
      "title": "Server-Side Request Forgery (SSRF) through the Report Notification REST API in Splunk Secure Gateway",
      "workarounds": [
        {
          "lang": "en",
          "value": "Turn off or remove the Splunk Secure Gateway app. See [Manage app and add-on objects](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/meet-splunk-apps/manage-app-and-add-on-objects) in the Splunk documentation. Note: Splunk Mobile, Spacebridge, and Mission Control rely on functionality in the Splunk Secure Gateway app. If you do not use any of these apps, features, or functionality, as a potential mitigation, you may turn off or remove the app."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2026-76351",
    "datePublished": "2026-08-19T21:34:45.483Z",
    "dateReserved": "2026-08-19T12:02:03.628Z",
    "dateUpdated": "2026-08-21T03:56:18.924Z",
    "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.