ChromeWeb browser · Google
CVE-2026-13917
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedInsufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceInsufficient validation of untrusted input in Chrome for iOS allows a remote attacker to bypass navigation restrictions by crafting a malicious HTML page that exploits specific user UI gestures. This enables navigation to unintended destinations despite security restrictions.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
ChromeWeb browser
< 150.0.7871.47CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Chrome for iOS is installedOn the iOS device, locate the Google Chrome app icon on the home screen or in the app library. If present, the application is installed.Affected if Chrome for iOS is installed on the device
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Find the installed Chrome for iOS versionOpen the Chrome app, tap the three-dot menu in the bottom-right corner, go to Settings, then scroll down and tap 'Chrome' to view the version number under the app name.Affected if The version displayed is less than 150.0.7871.47
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Confirm the version comparisonCompare the installed version number against the affected range: any version below 150.0.7871.47 is vulnerable.Affected if Installed version is below 150.0.7871.47
If Chrome for iOS is installed and the version is below 150.0.7871.47, the environment is affected by this navigation restriction bypass vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped150.0.7871.47
Update Google Chrome for iOS to version 150.0.7871.47 or later. Organizations may need to enforce policy-based updates or communicate the requirement to users running affected versions.
Chrome for iOS 150.0.7871.47 or later
- 1. Open the App Store on the iOS device
- 2. Search for "Google Chrome" or locate it in your installed apps
- 3. Tap the Update button next to Chrome if an update is available
- 4. Alternatively, enable automatic updates: go to Settings > App Store > enable Automatic Downloads
- 5. After updating, verify the version by going to Chrome > Settings > About Chrome - it should show 150.0.7871.47 or later
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Chrome
Scoped from the published advisory
- Consultation1.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-13917 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-13917 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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