Description
Privilege elevation in Sandbox in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | 155.0.8059.39 – < 155.0.8059.39 | 155.0.8059.39 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | chromium | 155.0.8059.39-1 | — |
| Debian 13 | chromium | 155.0.8059.39-1~deb13u1 | — |
| Debian 12 | chromium | 155.0.8059.39-1~deb12u1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 155.0.8059.39-1.1 | openSUSE-SU-2026:12091-1 |
| openSUSE Leap 16.1 | chromium | 157.0.8103.38-bp161.1.1 | openSUSE-SU-2026:22323-1 |
| openSUSE Leap 16.1 | gn | 0.20260928-bp161.1.1 | openSUSE-SU-2026:22323-1 |
| openSUSE Leap 16.0 | chromium | 155.0.8059.84-bp160.1.1 | openSUSE-SU-2026:22124-1 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | chromium +2 | 155.0.8059.39-r0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
leisureprog/CVE-2026-106378 ★ 2 · Oct 30, 2026
CVE-2026-106378 is a privilege escalation in the Google Chrome sandbox on macOS. An attacker who has already compromised the renderer process can execute arbitrary code **outside the sandbox** via a …
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- openSUSE-SU-2026:22323-1 Security update for chromium, gn SUSE / openSUSE Security Updates · Nov 14, 2026
- WID-SEC-2026-3761 Google Chrome / Microsoft Edge: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- openSUSE-SU-2026:22124-1 Security update for chromium SUSE / openSUSE Security Updates · Nov 1, 2026
- openSUSE-SU-2026:12091-1 chromedriver-155.0.8059.39-1.1 on GA media SUSE / openSUSE Security Updates · Oct 10, 2026