PatchTheCVECVE-2026-8005: Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker
CVE-2026-8005 is a medium-severity flaw (CVSS 4.3) affecting chrome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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)
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 99%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-05-06 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-8005?
chrome: upgrade to 148.0.7778.96. Exact commands for each OS are on this page.
Is CVE-2026-8005 being exploited?
CVE-2026-8005 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-8005 affect?
CVE-2026-8005 affects chrome. Severity is medium (CVSS 4.3). 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)
How urgent is CVE-2026-8005?
Priority 15/100. No elevated risk signals yet.
Software pages
Google Chrome vulnerabilities · Chromium vulnerabilities
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