CVE-2026-4054

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

Mattermost 代码问题漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 11.5.1 and earlier, 10.11.13 and earlier, as well as 11.4.3 and earlier, have code vulnerabilities. These vulnerabilities stem from unvalidated proxy image response...

CVE-2026-42181

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

CVE-2026-42181

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

CVE-2026-42181

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

CVE-2026-42181 Lemmy: SSRF and internal image disclosure in post link metadata via unvalidated og:image

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

CVE-2026-42181 Lemmy: SSRF and internal image disclosure in post link metadata via unvalidated og:image

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

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-2026-28820

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP...

Lemmy 代码问题漏洞

Lemmy is open-source software developed by Lemmy for building social news aggregators and web forums. Versions of Lemmy prior to 0.19.18 had code vulnerabilities. These vulnerabilities stemmed from the og:image URL being extracted without being restricted by the internal IP range, which could lea...

PT-2026-38623

Name of the Vulnerable Software and Affected Versions nuxt-og-image versions 6.2.5 through 6.4.8 @nuxtjs/og-image versions 6.2.5 through 6.4.8 Description An issue exists in the isBlockedUrl function where the denylist used to prevent Server-Side Request Forgery SSRF is incomplete. This allows...

GHSA-H6HF-9846-XWRQ Lemmy has SSRF and internal image disclosure in post link metadata via unvalidated og:image

Summary Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP ranges, the extracted og:image URL is not subject to the same restriction...

Lemmy has SSRF and internal image disclosure in post link metadata via unvalidated og:image

Summary Lemmy fetches metadata for user-supplied post URLs and, under the default StoreLinkPreviews image mode, downloads the preview image through local pict-rs. While the top-level page URL is checked against internal IP ranges, the extracted og:image URL is not subject to the same restriction...

PT-2026-37170

Name of the Vulnerable Software and Affected Versions Lemmy versions prior to 0.19.18 Description Lemmy fetches metadata for user-supplied post URLs and, when using the default StoreLinkPreviews image mode, downloads preview images via local pict-rs. While the initial top-level page URL is checke...

CVE-2026-31941 Server-Side Request Forgery (SSRF) in Chamilo LMS

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains a Server-Side Request Forgery SSRF vulnerability in the Social Wall feature. The endpoint readurlwithopengraph accepts a URL from the user via the socialwallnewmsgmain POST parameter and performs tw...

Allocation of Resources Without Limits or Throttling

Overview nuxt-og-image is an Enlightened OG Image generation for Nuxt. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the unbounded width and height parameters in the image generation. An attacker can exhaust server memory and cause...

CVE-2026-34405

Nuxt OG Image generates OG Images with Vue templates in Nuxt. Prior to version 6.2.5, the image‑generation component by the URI: /og/d/ and, in older versions, /og-image/ contains a vulnerability that allows injection of arbitrary attributes into the HTML page body. This issue has been patched in...

EUVD-2026-17670

Nuxt OG Image generates OG Images with Vue templates in Nuxt. Prior to version 6.2.5, the image‑generation component by the URI: /og/d/ and, in older versions, /og-image/ contains a vulnerability that allows injection of arbitrary attributes into the HTML page body. This issue has been patched in...

CVE-2026-34405 Nuxt OG Image vulnerable to reflected XSS via query parameter injection into HTML attributes

Nuxt OG Image generates OG Images with Vue templates in Nuxt. Prior to version 6.2.5, the image‑generation component by the URI: /og/d/ and, in older versions, /og-image/ contains a vulnerability that allows injection of arbitrary attributes into the HTML page body. This issue has been patched in...

CVE-2026-34404

CVE-2026-34404 affects Nuxt OG Image. The vulnerability is in the image-generation component accessed via /_og/d/ (and older /og-image/), where unbounded width/height parameters allow a Denial of Service. Affected versions prior to 6.2.5 are exploitable; the issue has been patched in version 6.2....