CVE-2026-79000: Improper input validation in Google Chrome
Description
CVE-2026-79000 is a vulnerability in Google Chrome prior to version 152.0.7977.65 involving improper input validation in the DeviceBoundSessionCredentials component. This flaw allows a remote attacker, using social engineering and crafted network traffic, to bypass the web origin policy. The vulnerability has a low Chromium security severity rating and a CVSS 3.1 score of 4.3, indicating medium severity.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper input validation in the DeviceBoundSessionCredentials feature of Google Chrome versions before 152.0.7977.65. Exploitation requires social engineering to deliver crafted network traffic that can bypass the web origin policy, potentially allowing unauthorized access to web resources. The CVSS 3.1 vector indicates the attack is network-based, requires no privileges, but requires user interaction, and impacts confidentiality with low severity. There are no known exploits in the wild.
Potential Impact
An attacker can bypass the web origin policy, which may lead to unauthorized access to web content or data that should be restricted by origin boundaries. The impact is limited to confidentiality with no integrity or availability impact. The overall severity is medium based on the CVSS score and vendor assessment.
Mitigation Recommendations
A fix is available in Google Chrome version 152.0.7977.65. Users and administrators should update to this version or later to remediate the vulnerability. There is no indication that additional mitigation steps are required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mhgc-xv9j-x495
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79000"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a91a878acd9273b49069dab
Added to database: 08/28/2026, 15:25:44 UTC
Last enriched: 09/18/2026, 02:01:01 UTC
Last updated: 10/10/2026, 18:48:22 UTC
Views: 32
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.