CVE-2026-17870
published 2026-07-30CVE-2026-17870: Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak…
PriorityP420medium4.3CVSS 3.1
AVAACLPRNUINSUCLINAN
EPSS
0.12%
1.9th percentile
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 151.0.7922.72 | 151.0.7922.72 | |
| chrome | >= 151.0.7922.72 < 151.0.7922.72 | 151.0.7922.72 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vendor_redhat4.3MEDIUM
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GHSA
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic.
ghsa_unreviewed·2026-07-30
CVE-2026-17870 [MEDIUM] CWE-20 Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic.
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
Red Hat
chromium-browser: chromium-browser: Insufficient validation of untrusted input in Cast
vendor_redhat·2026-07-30·CVSS 4.3
CVE-2026-17870 [MEDIUM] CWE-346 chromium-browser: chromium-browser: Insufficient validation of untrusted input in Cast
chromium-browser: chromium-browser: Insufficient validation of untrusted input in Cast
An insufficient validation of untrusted input flaw was found in the Cast component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=521784856
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-17870
vendor_chrome·2026-07-29
CVE-2026-17870 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-17870
Stable Channel Update for Desktop
CVE-2026-17870: Insufficient validation of untrusted input in Cast. Reported by Google on 2026-06-09 [N/A][ 521938924 ] Medium CVE-2026-17871: Inappropriate implementation in Passwords
Reported by Google on 2026-06-09 [N/A][ 521963740 ] Medium CVE-2026-17872: Cryptographic Flaw in WebAppInstalls
Severity: medium
No detection rules found.
No public exploits indexed.
2026-07-30
Published