CVE-2026-8467 Details.
Phoenix Storybook - Remote Code Execution
Atlas does not check this one. Not a plain web check.
This weakness is not found through ordinary web pages. It needs a different kind of connection to the service. Atlas only runs plain web, DNS and TLS checks, so it does not run this one.
About CVE-2026-8467. What It Means.
Phenixdigital phoenix_storybook >=0.5.0 <1.1.0 contains a code injection caused by unsanitized attribute value interpolation in HEEx template generation, letting unauthenticated remote attackers execute arbitrary code on the server, exploit requires sending crafted WebSocket event data.
Affected Product. What Is Hit.
The record for CVE-2026-8467 does not name a vendor or product yet.
FAQ
Common Questions.
Phoenix Storybook - Remote Code Execution. Phenixdigital phoenix_storybook >=0.5.0 <1.1.0 contains a code injection caused by unsanitized attribute value interpolation in HEEx template generation, letting unauthenticated remote attackers execute arbitrary code on the server, exploit requires sending crafted WebSocket event data.
No. This weakness is not found through ordinary web pages. It needs a different kind of connection to the service. Atlas only runs plain web, DNS and TLS checks, so it does not run this one. The facts about CVE-2026-8467 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-8467 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update the affected software to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-8467. Atlas does not run a check for it, so nothing here says whether a particular site is affected.