---
id: "CVE-2026-121177"
kind: "vulnerability"
aliases: ["CVE-2026-121177"]
title: "Chrome on iOS: PageInfo UI can be spoofed by a crafted page"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browser", "chrome", "ios", "other"]
not_affected_if: ["updated-chrome"]
published_at: "2026-11-03T21:17:26+00:00"
first_seen_at: "2026-11-03T21:19:24+00:00"
updated_at: "2026-11-03T21:23:11+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121177", "first_seen_at": "2026-11-03T21:19:24+00:00"}]
---

# Chrome on iOS: PageInfo UI can be spoofed by a crafted page

Google Chrome on iOS before 157.0.8103.38 shows a misleading PageInfo panel when a visited page is crafted. A remote attacker can use a crafted HTML page to spoof UI elements, which may make a site look trustworthy when it is not.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Open Chrome on iOS and check the version under Chrome > Settings > Google Chrome (or the About page); versions below `157.0.8103.38` are affected.

## Fix

- Google Chrome on iOS: `157.0.8103.38`

## Timeline

- 2026-11-03T21:19:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121177

## From the sources

UI misrepresentation in PageInfo in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_