ex_aws_sns: Trusted-attacker `SigningCertURL` permits complete SNS signature bypass

Summary ExAws.SNS.verifymessage/1 fetches the signing certificate from the SigningCertURL field of the incoming SNS message without validating that the URL uses HTTPS or that its host is an AWS-owned SNS certificate domain. An unauthenticated attacker who can POST to any endpoint that calls...

EUVD-2026-39779

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 SS...

PT-2026-52707

HTMLy 3.1.1 contains a Server-Side Request Forgery SSRF vulnerability in the RSS feed import functionality. The function get feed in system/admin/admin.php passes user-supplied $feed url directly to file get contents without any validation. An authenticated attacker with administrative privileges...

GO-2026-5603 Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0

Ech0 has SSRF via DNS Resolution Bypass in Webhook URL Validation in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability...

EUVD-2026-39457

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.5, LibreChat's MCP OAuth implementation does not validate that the resource parameter from OAuth Protected Resource metadata RFC 9728 matches the configured MCP server URL, allowing a malicious MCP server to...

CVE-2026-12635 Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through...

CVE-2026-12635 Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through...

CVE-2026-12635: Reliance on Reverse DNS Resolution for a Security-Critical Action

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through...

PT-2026-52199

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 8.3 through 18.11.5 GitLab CE/EE versions 19.0 through 19.0.2 GitLab CE/EE versions 19.1 through 19.1.0 Description Improper URL validation in mirror synchronization allows an authenticated user with maintainer-role...

CVE-2026-13150 SSRF in Pentestify PDF generation endpoint via Host header

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

CVE-2026-13150

Server-Side Request Forgery SSRF CWE-918 in the PDF generation endpoint GET /api/reports/id/pdf backend/main.py in ccyl13 Pentestify 1.0.0 and lower allows remote attackers to make the server issue requests to arbitrary internal or external URLs, including cloud metadata services, and return the...

CVE-2026-56785

FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in...

CVE-2026-56785 FlatPress - Stored Cross-Site Scripting via Unescaped Comment and Contact Form Fields

FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in...

CVE-2026-54018

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the SafePlaywrightURLLoader implements a validateurl function to prevent SSRF attacks by checking the IP address of the user-provided URL. However, this validation is performed only ...

CVE-2026-56227 Capgo - Server-Side Request Forgery via Webhook URL Validation

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these...

CVE-2026-56227

Capgo before 12.128.2 is affected by a server-side request forgery (SSRF) in webhook URL validation. The flaw permits configuring webhooks to loopback or internal addresses (e.g., localhost/127.0.0.1). When triggered, the backend makes outbound requests to those addresses, and error responses are...

CVE-2026-56227: Server-Side Request Forgery (SSRF)

Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these...

CVE-2026-12726

A flaw was found in the AWX GitHub webhook integration. When processing GitHub pullrequest webhooks, the controller stores the pullrequest.statusesurl value from the webhook payload without validating that it points to a trusted GitHub API endpoint. If a job template is configured with a GitHub...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to Server-Side Request Forgery (SSRF) in HTMLHeaderTextSplitter [GHSA-fv5p-p927-qmxr]

Summary IBM Watson Speech Services Cartridge is vulnerable to Server-Side Request Forgery SSRF due to a flaw in HTMLHeaderTextSplitter.splittextfromurl that validates the initial URL using validatesafeurl but then performs the fetch with requests.get with redirects enabled the default...

GHSA-WM69-2PC3-RMMF Crawl4AI: Unauthenticated SSRF on the Docker server streaming crawl path (/crawl/stream)

Summary The Docker API server applied its SSRF destination check validateurldestination on the non-streaming /crawl path but not on the streaming path. handlestreamcrawlrequest passed seed URLs straight to the crawler with no destination validation. A remote, unauthenticated client could call POS...