Mmastodon TechnologyCybersecurity first seen 7 h ago, last 7 h ago, peak #11

Moderate security flaw disclosed in Backstage Cloudflare Access plugin

Original: 🚨 EUVD-2026-93990 📊 Score: 6.8/10 (CVSS v3.1) 📦 Product: backstage, plugin-auth-backend-module-cloudflare-access-provide

A new vulnerability, EUVD-2026-93990, has been catalogued affecting the Cloudflare Access authentication provider plugin for Backstage, the open-source framework for building developer portals maintained under the Backstage project. Versions 0.1.0 through 0.5.0 are affected. The flaw carries a CVSS v3.1 score of 6.8, marking it as a moderate-severity issue. The advisory was updated on 6 October 2026, and administrators running the plugin are advised to check for patched releases.

Why now: A newly published advisory alerts developers and security teams running the affected Backstage plugin to a moderate-severity flaw.

BackstageCloudflareEUVD-2026-93990

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Evidence

• 🚨 EUVD-2026-93990 📊 Score: 6.8/10 (CVSS v3.1) 📦 Product: backstage, plugin-auth-backend-module-cloudflare-access-provider 🏢 Vendor: @ backstage , backstage 📅 Updated: 2026-10-06 📝 Backstage is an open framework for building developer portals. From 0.1.0 until 0.5.0, the @… · EUVD_Bot

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