Incorrect authorization in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page
Published Aug 25, 2026
4.3
MEDIUMCVSS 3.1
EPSS 0.34%
Description
Incorrect authorization in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Affected products
-
- Version 152.0.7977.65StatusaffectedConstraints<152.0.7977.65
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Aug 27, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Aug–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00345) | 25.67th | v5 (v2026.06.15) |
| Aug 26, 2026 | 0.29% (0.00288) | 20.81th | v5 (v2026.06.15) |
References (2)
- https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html Release NotesVendor Advisory
- https://issues.chromium.org/issues/503624894 Permissions Required
| Link | Providers | Tags |
|---|---|---|
| https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html | Release NotesVendor Advisory | |
| https://issues.chromium.org/issues/503624894 | Permissions Required |
Change history (0)
No recorded changes yet.