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.

4605 vulnerabilities reference this CWE, most recent first.

CVE-2026-39418 (GCVE-0-2026-39418)

Vulnerability from cvelistv5 – Published: 2026-04-14 00:08 – Updated: 2026-04-14 15:54
VLAI
Title
MaxKB: SSRF via sandbox network hook bypass
Summary
MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, sandbox network protection can be bypassed by using socket.sendto() with the MSG_FASTOPEN flag. This allows authenticated user with tool-editing permissions to reach internal services that are explicitly blocked by the sandbox's banned hosts configuration. MaxKB's sandbox uses LD_PRELOAD to hook the connect() function and block connections to banned IPs, but Linux's sendto() with the MSG_FASTOPEN flag can establish TCP connections directly through the kernel without ever calling connect(), completely bypassing the IP validation. Although sendto is listed in the syscall() wrapper, this is ineffective because glibc invokes the kernel syscall directly rather than routing through the hooked syscall() function. This issue has been fixed in version 2.8.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
Impacted products
Vendor Product Version
1Panel-dev MaxKB Affected: < 2.8.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-39383 (GCVE-0-2026-39383)

Vulnerability from cvelistv5 – Published: 2026-05-05 20:39 – Updated: 2026-05-06 15:32
VLAI
Title
Gotenberg unauthenticated blind SSRF via unfiltered webhook URL
Summary
Gotenberg is an API-based document conversion tool. In version 8.29.1, an unauthenticated attacker with network access can force the server to make outbound HTTP POST requests to arbitrary internal or external destinations by supplying a crafted URL in the Gotenberg-Webhook-Url request header. The FilterDeadline function in filter.go is intended to gate outbound URLs, but when both the allow-list and deny-list are empty (the default configuration), it returns nil unconditionally and permits any URL. This is a blind SSRF: Gotenberg POSTs the converted document to the webhook URL and only checks whether the response status code is an error, but never returns the target's response body to the attacker. An attacker can use this to probe internal network infrastructure by observing whether the error callback is invoked, force POST requests against internal services that perform side effects, and confirm reachability of cloud metadata endpoints. The retryable HTTP client issues up to 4 automatic retries per request, amplifying each probe. This issue has been fixed in version 8.31.0. As a workaround, configure the GOTENBERG_API_WEBHOOK_ALLOW_LIST environment variable to restrict webhook URLs to known receivers, or set GOTENBERG_API_WEBHOOK_DENY_LIST to block RFC-1918 and link-local address ranges.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
gotenberg gotenberg Affected: < 8.31.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-39370 (GCVE-0-2026-39370)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:26 – Updated: 2026-04-08 19:22
VLAI
Title
WWBN AVideo has an Allowlisted downloadURL media extensions bypass SSRF protection and enable internal response exfiltration (Incomplete fix for CVE-2026-27732)
Summary
WWBN AVideo is an open source video platform. In versions 26.0 and prior, objects/aVideoEncoder.json.php still allows attacker-controlled downloadURL values with common media or archive extensions such as .mp4, .mp3, .zip, .jpg, .png, .gif, and .webm to bypass SSRF validation. The server then fetches the response and stores it as media content. This allows an authenticated uploader to turn the upload-by-URL flow into a reliable SSRF response-exfiltration primitive. The vulnerability is caused by an incomplete fix for CVE-2026-27732.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: <= 26.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-39368 (GCVE-0-2026-39368)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:23 – Updated: 2026-04-07 20:02
VLAI
Title
WWBN AVideo has a Live restream log callback flow enabling stored SSRF to internal services
Summary
WWBN AVideo is an open source video platform. In versions 26.0 and prior, the Live restream log callback flow accepted an attacker-controlled restreamerURL and later fetched that stored URL server-side, enabling stored SSRF for authenticated streamers. The vulnerable flow allowed a low-privilege user with streaming permission to store an arbitrary callback URL and trigger server-side requests to loopback or internal HTTP services through the restream log feature.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
WWBN AVideo Affected: <= 26.0
Create a notification for this product.
Show details on NVD website

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CVE-2026-39362 (GCVE-0-2026-39362)

Vulnerability from cvelistv5 – Published: 2026-04-08 19:32 – Updated: 2026-04-10 20:44
VLAI
Title
InvenTree has SSRF via Remote Image Download — No IP/Hostname Validation on remote_image URLs
Summary
InvenTree is an Open Source Inventory Management System. Prior to 1.2.7 and 1.3.0, when INVENTREE_DOWNLOAD_FROM_URL is enabled (opt-in), authenticated users can supply remote_image URLs that are fetched server-side via requests.get() with only Django's URLValidator check. There is no validation against private IP ranges or internal hostnames. Redirects are followed (allow_redirects=True), enabling bypass of any URL-format checks. This vulnerability is fixed in 1.2.7 and 1.3.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
inventree InvenTree Affected: < 1.2.7
Create a notification for this product.
Show details on NVD website

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CVE-2026-39361 (GCVE-0-2026-39361)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:02 – Updated: 2026-04-09 16:17
VLAI
Title
OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url
Summary
OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. "[::1]" not "::1"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
openobserve openobserve Affected: <= 0.70.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-35629 (GCVE-0-2026-35629)

Vulnerability from cvelistv5 – Published: 2026-04-09 21:27 – Updated: 2026-06-23 16:15 X_Open Source
VLAI
Title
OpenClaw < 2026.3.25 - Server-Side Request Forgery via Unguarded Configured Base URLs in Channel Extensions
Summary
OpenClaw before 2026.3.25 contains a server-side request forgery vulnerability in multiple channel extensions that fail to properly guard configured base URLs against SSRF attacks. Attackers can exploit unprotected fetch() calls against configured endpoints to rebind requests to blocked internal destinations and access restricted resources.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
Impacted products
Vendor Product Version
OpenClaw OpenClaw Affected: 0 , < 2026.3.25 (semver)
Unaffected: 2026.3.25 (semver)
Create a notification for this product.
Date Public
2026-03-26 00:00
Credits
YLChen-007
Show details on NVD website

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CVE-2026-35587 (GCVE-0-2026-35587)

Vulnerability from cvelistv5 – Published: 2026-04-20 23:19 – Updated: 2026-04-22 14:01
VLAI
Title
Glances IP Plugin has SSRF via public_api that leads to credential leakage
Summary
Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.4, a Server-Side Request Forgery (SSRF) vulnerability exists in the Glances IP plugin due to improper validation of the public_api configuration parameter. The value of public_api is used directly in outbound HTTP requests without any scheme restriction or hostname/IP validation. An attacker who can modify the Glances configuration can force the application to send requests to arbitrary internal or external endpoints. Additionally, when public_username and public_password are set, Glances automatically includes these credentials in the Authorization: Basic header, resulting in credential leakage to attacker-controlled servers. This vulnerability can be exploited to access internal network services, retrieve sensitive data from cloud metadata endpoints, and/or exfiltrate credentials via outbound HTTP requests. The issue arises because public_api is passed directly to the HTTP client (urlopen_auth) without validation, allowing unrestricted outbound connections and unintended disclosure of sensitive information. Version 4.5.4 contains a patch.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
nicolargo glances Affected: < 4.5.4
Create a notification for this product.
Show details on NVD website

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CVE-2026-35572 (GCVE-0-2026-35572)

Vulnerability from cvelistv5 – Published: 2026-04-07 17:07 – Updated: 2026-04-07 19:59
VLAI
Title
SSRF via Referer header in ChurchCRM allows server-side HTTP/HTTPS requests to arbitrary hosts
Summary
ChurchCRM is an open-source church management system. Prior to 6.5.3, it is possible to trigger server-side HTTP/HTTPS requests to arbitrary hosts (SSRF) by supplying a crafted URL in the Referer request header. The server subsequently makes an outbound request to the attacker-controlled domain, confirmed via OAST. This vulnerability is fixed in 6.5.3.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
ChurchCRM CRM Affected: < 6.5.3
Create a notification for this product.
Show details on NVD website

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CVE-2026-35527 (GCVE-0-2026-35527)

Vulnerability from cvelistv5 – Published: 2026-05-05 19:56 – Updated: 2026-05-06 15:24
VLAI
Title
Incus blind SSRF via image import preflight HEAD request
Summary
Incus is an open source container and virtual machine manager. In versions prior to 7.0.0, the image import flow issues an outbound HEAD request to a user-supplied URL before validating the request against project restrictions such as restricted.images.servers. The imgPostURLInfo function constructs and sends a HEAD request directly from the attacker-supplied source URL to resolve image metadata, and this network interaction occurs before the flow reaches the point where the import would be rejected by policy. Although the actual image download is blocked by the project restriction, an authenticated user can coerce the daemon into making blind HEAD requests to arbitrary destinations. These requests include server metadata in custom headers (Incus-Server-Architectures, Incus-Server-Version), which discloses information about the host environment to the attacker-controlled endpoint. This blind SSRF primitive can be used to probe internal services, unroutable address space, or cloud metadata endpoints reachable from the host. This vulnerability pattern is similar to CVE-2026-24767. This issue has been fixed in version 7.0.0.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
Impacted products
Vendor Product Version
lxc incus Affected: < 7.0.0
Create a notification for this product.
Show details on NVD website

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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.