CVE-2016-5134
HighSummary
The Proxy Auto-Config (PAC) feature in Google Chrome before version 52.0.2743.82 does not ensure that URL information is restricted to a scheme, host, and port. This allows remote attackers to discover credentials by operating a server with a PAC script.
Risk Assessment
Attackers may gain access to sensitive user data, posing a serious security threat to the organization.
Recommendation
It is recommended to update Google Chrome to the latest version to mitigate this vulnerability.
Other vulnerabilities in Google Chrome
See all- CVE-2026-102328High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102327High
Incorrect authorization in WebView in Google Chrome on Android prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)
- CVE-2026-102326High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102325Medium
Uninitialized resource in Skia in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102324High
Use after free in PictureInPicture in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102323High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102321High
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102319Low
Uninitialized resource in GPU in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102318Medium
Out of bounds read in WebGL in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-102317High
Improper privilege management in Mojo in Google Chrome on Windows prior to 154.0.8037.92 allowed a local attacker to potentially execute arbitrary code outside the sandbox via a local program.
Original NVD description (English source)
net/proxy/proxy_service.cc in the Proxy Auto-Config (PAC) feature in Google Chrome before 52.0.2743.82 does not ensure that URL information is restricted to a scheme, host, and port, which allows remote attackers to discover credentials by operating a server with a PAC script, a related issue to CVE-2016-3763.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

