CVE-2026-79136: Incorrect authorization in Google Chrome
Description
CVE-2026-79136 is a medium severity vulnerability in Google Chrome's ServiceWorker component prior to version 152.0.7977.65. It involves incorrect authorization that allows a remote attacker to bypass the web origin policy using a crafted HTML page. The vulnerability has a CVSS score of 4.3, indicating limited impact primarily on confidentiality. No known exploits are reported in the wild, and no explicit patch link is provided in the data.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's ServiceWorker implementation allows an attacker to bypass the web origin policy due to incorrect authorization checks. The flaw affects versions of Chrome before 152.0.7977.65. Exploitation requires user interaction (UI:R) and can be triggered remotely (AV:N) without privileges (PR:N). The impact is limited to partial confidentiality loss (C:L) without integrity or availability impact. The vulnerability is tracked as CWE-863 (Incorrect Authorization).
Potential Impact
An attacker can bypass the web origin policy, potentially accessing restricted data from other origins within the browser context. The confidentiality impact is limited, with no integrity or availability effects. There are no reports of active exploitation in the wild.
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. Since this is not a cloud service, remediation depends on applying the browser update. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-f9wh-fwvf-v533
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79136"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a91a876acd9273b49069d48
Added to database: 08/28/2026, 15:25:42 UTC
Last enriched: 09/18/2026, 02:00:30 UTC
Last updated: 10/13/2026, 06:48:19 UTC
Views: 39
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.