GHSA-JWF8-PV5P-VHMC Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

CVE-2026-42181

Lemmy prior to 0.19.18 is vulnerable to SSRF through post link metadata: the system validates the top-level URL against internal ranges, but the og:image URL extracted from the page is not subjected to the same restriction. An authenticated low-privileged user can post a page whose og:image point...

EUVD-2026-28587

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the...

CVE-2026-44127

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the...

CVE-2026-44127 Local File Inclusion (LFI) and Arbitrary File Deletion

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the...

CVE-2026-44127 Local File Inclusion (LFI) and Arbitrary File Deletion

SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability in the identifier parameter of /api.app/attachment/preview that allows remote attackers to read arbitrary local files and trigger deletion of files in the targeted directory with the...

PT-2026-38959

Name of the Vulnerable Software and Affected Versions SEPPmail Secure Email Gateway versions prior to 15.0.4 Description An unauthenticated path traversal issue exists in the '/api.app/attachment/preview' endpoint. This allows remote attackers to read arbitrary local files and trigger the deletio...

CVE-2026-42556: Improper Neutralization of Input During Web Page Generation

Postiz is an AI social media scheduling tool. From version 2.21.6 to before version 2.21.7, any authenticated user who can create a post can store arbitrary HTML in post content by tampering their own save request and send the public preview link /p/ ?share=true to another user. The preview page...

SEPPmail Secure Email Gateway 安全漏洞

SEPPmail Secure Email Gateway is an email security gateway developed by the German company SEPPmail. Versions of SEPPmail Secure Email Gateway prior to version 15.0.4 contained a security vulnerability. This vulnerability stemmed from the identifier parameter in/api/app/attachment/preview, where...

LiteLLM 命令注入漏洞

LiteLLM is an open-source application developed by Berri AI. It can utilize all LLM APIs in the OpenAI format. Versions of LiteLLM from 1.74.2 to 1.83.7 contained a command injection vulnerability. This vulnerability stemmed from two endpoints used for previewing the MCP server accepting complete...

PT-2026-39302

Name of the Vulnerable Software and Affected Versions view component versions 3.0.0 through 4.8.x Description The preview route derives an example name from the URL and invokes it using public send without verifying if the requested method is an explicitly defined preview example. This allows...

Gitroom Postiz 跨站脚本漏洞

Gitroom Postiz is an open-source social media scheduling tool developed by Gitroom. Versions of Gitroom Postiz from 2.21.6 to 2.21.7 contained a cross-site scripting vulnerability. This vulnerability allowed any authenticated user to store arbitrary HTML in post content by manipulating saved...

PT-2026-39216

Name of the Vulnerable Software and Affected Versions Postiz versions 2.21.6 through 2.21.6 Description Authenticated users with post creation privileges can store arbitrary HTML within post content by tampering with their save request. This content is then rendered on the main application origin...

view_component - Preview Route Can Dispatch Inherited Helper Methods'

The preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview examples explicitly defined by the preview class. As a result, inherited public methods on ViewComponent::Preview are route-reachable. The...

CVE-2026-41929

Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and componentajax POST parameter. Attackers can craft a malicious link or...

CVE-2026-41929 Vvveb < 1.0.8.2 Unauthenticated Reflected XSS via Visual Editor

Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and componentajax POST parameter. Attackers can craft a malicious link or...

EUVD-2026-28459

Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and componentajax POST parameter. Attackers can craft a malicious link or...

CVE-2026-41929

Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and componentajax POST parameter. Attackers can craft a malicious link or...

CVE-2026-41929

CVE-2026-41929 affects Vvveb prior to 1.0.8.2, where an unauthenticated reflected XSS can be triggered via the visual editor preview renderer by manipulating the r query parameter and _component_ajax POST data. The root cause is inadequate input handling: isEditor() lacks session/role/token check...

CVE-2026-41929

Vvveb before 1.0.8.2 contains an unauthenticated reflected cross-site scripting vulnerability in the visual editor preview renderer that allows attackers to execute arbitrary JavaScript by manipulating the r query parameter and componentajax POST parameter. Attackers can craft a malicious link or...