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CVE-2026-8005VulnerabilityPublished

Cast · Insufficient Validation of Untrusted Input

Source GCVE Database

0
Authoritative record:CVE-2026-8005· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium : upgrade to 148.0.7778.96 when convenient.

Data as of 27 Oct 2026, 00:07 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 148.0.7778.96
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Chrome to 148.0.7778.96.

Affected software

ProductAffectedFixed in
GoogleChromeAffected
  • >=148.0.7778.96 <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)

References

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