Authorisation Flaw in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted…
CVE-2026-79238
What this means
This is rated medium severity (4.3 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Google Chrome is in your estate.
Full vendor description
Incorrect authorization in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Medium)
Scoring and exploitation
4.3/ 10
CVSS 3.1 base scoreMedium
Exploitable over the network without any account, but only if a user takes an action, such as opening a file or link. Low impact on confidentiality.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityLowC:L
IntegrityNoneI:N
AvailabilityNoneA:N
- Not reported
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-863
Affected products ()
- Google Chrome
Show the raw CPE strings (1)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References
2 links from the CVE record, grouped by site.
chromereleases.googleblog.com1 link
issues.chromium.org1 link
- 517774971 (opens in a new tab)Permissions Required

