CVE-2026-106271
published 2026-10-06CVE-2026-106271: Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site…
PriorityP350high8.1CVSS 3.1
AVNACLPRLUINSUCHIHAN
EPSS
0.23%
13.0th percentile
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 155.0.8059.39 | 155.0.8059.39 | |
| chrome | >= 155.0.8059.39 < 155.0.8059.39 | 155.0.8059.39 | |
| chrome_desktop | — | — |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
vendor_redhat8.1HIGH
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Chrome
Stable Channel Update for Desktop: CVE-2026-106271
vendor_chrome·2026-10-06
CVE-2026-106271 [MEDIUM] Stable Channel Update for Desktop: CVE-2026-106271
Stable Channel Update for Desktop
CVE-2026-106271: Missing authorization in Workers. Reported by Google on 2026-08-26 [N/A][ 553121488 ] Medium CVE-2026-106395: Uninitialized resource in Dawn
Reported by Google on 2026-08-26 [N/A][ 553124799 ] Medium CVE-2026-106304: Out of bounds read in ANGLE
Severity: medium
Red Hat
chromium-browser: Missing authorization in Workers
vendor_redhat·2026-10-06·CVSS 8.1
CVE-2026-106271 [HIGH] CWE-862 chromium-browser: Missing authorization in Workers
chromium-browser: Missing authorization in Workers
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
A missing authorization flaw was found in the Workers component of the Chromium browser.
Upstream bug(s):
https://issues.chromium.org/issues/553118313
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
GHSA
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file.
ghsa_unreviewed·2026-10-06
CVE-2026-106271 CWE-862 Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file.
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
No detection rules found.
No public exploits indexed.
2026-10-06
Published