CVE-2026-73320

CVE-2026-73320: Unauthenticated unfurl result disclosure XenForo before 2.3.13 exposes pending rich-link previews through an unauthenticated endpoint keyed by predictable integer IDs. What happens unfurl.php accepts a POST containing global UnfurlResult IDs, loads those rows, and returns rendered...

Exploit for CVE-2026-73320

CVE-2026-73320 XenForo before 2.3.13 exposes pending rich-lin...

CVE-2026-57575

Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a Server-Side Request Forgery SSRF vulnerability in URL preview functionality in UrlPreviewService. Due to missing network restrictions before establishing outbound connections, a remote attacker can...

EUVD-2026-43040

Misskey is an open source, federated social media platform. Prior to 2026.6.0, Misskey contains a Server-Side Request Forgery SSRF vulnerability in URL preview functionality in UrlPreviewService. Due to missing network restrictions before establishing outbound connections, a remote attacker can...

PYSEC-2026-663 Uncontrolled Resource Consumption in Matrix Synapse

Impact Synapse before 1.52.0 with URL preview functionality enabled will attempt to generate URL previews for media stream URLs without properly limiting connection time. Connections will only be terminated after maxspidersize default: 10M bytes have been downloaded, which can in some cases lead ...

CVE-2026-9078

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

CVE-2026-9078 Firefox iOS RTL Domain Rendering Issue in Link Preview

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

EUVD-2026-31693

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

CVE-2026-9078

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

CVE-2026-9078

Mozilla Firefox for iOS versions prior to 151.1 are vulnerable to a flaw where specially crafted right-to-left (RTL) and internationalized domain names (IDNs) are displayed incorrectly in link preview UI surfaces. An attacker can use a crafted RTL hostname to visually reorder the displayed domain...

CVE-2026-9078

Firefox for iOS displayed specially crafted right-to-left RTL and internationalized domain names IDNs incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This...

PT-2026-43074

Name of the Vulnerable Software and Affected Versions Firefox for iOS versions prior to 151.1 Description Firefox for iOS incorrectly displayed specially crafted right-to-left RTL and internationalized domain names IDNs within link preview UI surfaces. A crafted RTL hostname could visually reorde...

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-2026-20719 DoS via URL Previews Rendering Malicious SVGs

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

CVE-2026-20719 DoS via URL Previews Rendering Malicious SVGs

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub.. Mattermost Advisory ID:...

CVE-2026-20719

CVE-2026-20719 affects Mattermost server/components that render external SVGs in link embeds across Mattermost 10.11.x–11.4.x (including 11.2.x, 11.3.x, 11.4.x). The root cause is failure to prevent rendering of external SVGs in embeds, enabling unauthenticated users to crash the web/desktop apps...

Firefox is giving users the AI off switch

Some software providers have decided to lead by example and offer users a choice about the Artificial Intelligence AI features built into their products. The latest example is Mozilla, which now offers users a one-click option to disable generative AI features in the Firefox browser. Audiences ar...

Mozilla Adds One-Click Option to Disable Generative AI Features in Firefox

Mozilla on Monday announced a new controls section in its Firefox desktop browser settings that allows users to completely turn off generative artificial intelligence GenAI features. "It provides a single place to block current and future generative AI features in Firefox," Ajit Varma, head of...

EUVD-2025-5892

Malicious code in bioql PyPI...

SUSE CVE-2025-9078

Mattermost versions 10.8.x = 10.8.3, 10.5.x = 10.5.8, 9.11.x = 9.11.17, 10.10.x = 10.10.1, 10.9.x = 10.9.3 fail to properly validate cache keys for link metadata which allows authenticated users to access unauthorized posts and poison link previews via hash collision attacks on FNV-1 hashing...