CVE-2026-39938

Vulnerability Report: Cacti Unauthenticated RCE on Graph Image Researcher: K | Product: Cacti ≤ 1.2.30 | CVE: CVE-2026-39938 01 Vulnerability Summary Field| Value ---|--- Product| Cacti — The Complete RRDtool-based Graphing Solution Affected Versions| ≤ 1.2.30 Vulnerability Class| CWE-22: Path...

CVE-2026-67173 Pivotick Unvalidated Node Image URLs Allow Unintended Client-Side Requests

Pivotick did not validate the URL scheme of node imagePath values derived from graph data before assigning them to SVG image resources. An attacker able to supply crafted graph data could set an image path to a malicious URI. When a victim rendered the affected graph, the browser could resolve th...

Exploit for OS Command Injection in Cacti

CVE-2026-39938: Cacti " 3.2 Execute the Code by Incl...

CVE-2026-39938 Cacti: Unauthenticated RCE on Graph Image

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graphtheme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31...

CVE-2026-39938 Cacti: Unauthenticated RCE on Graph Image

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graphtheme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31...

CVE-2026-39938

CVE-2026-39938 affects the open-source framework Cacti. Versions 1.2.30 and earlier are affected by an unauthenticated local file inclusion due to weaknesses in graph_theme and rrdtool IPC serialization hardening. The issue is rated CVSSv3.1 9.8 (CRITICAL) with NETWORK attack vector, no privilege...

CVE-2026-39938 Cacti: Unauthenticated RCE on Graph Image

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graphtheme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31...

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: 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...

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...

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...

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...

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...

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...

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...

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...

The vulnerability affects the `/_og/d/` component of the Open Graph image generation module from the Nuxt OG Image framework. This framework is used for creating web applications and websites using Nuxt.js. It allows attackers to trigger a denial-of-service attack.

The vulnerability of the og/d/ component of the Open Graph image generation module of the Nuxt OG Image framework, which is used for creating web applications and sites using Nuxt.js, relates to improper resource release. Exploiting this vulnerability allows an attacker to cause service failures...