VDB

CVE-2026-12457

CVE-2026-12457 PUBLISHED CVSS 4.2 MEDIUM

Reported by chrome · Published June 17, 2026

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
chromiumWolfi149.0.7827.155-r0
chromiumChainguard149.0.7827.155-r0
chromegoogle149.0.7827.155

Risk scores

CVSS 3.1
4.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected products

VendorProductVersions
GoogleChrome149.0.7827.155
wolfichromium0
chainguardchromium0
GoogleChrome149.0.7827.155

Timeline

  • Jun 16, 2026 CVE Published
  • Jun 17, 2026 CVE Updated
  • Jun 18, 2026 EPSS Score (8 in total, the first dated here)
  • Jun 19, 2026 Security Advisory (31 in total, the first dated here)

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-12457
vulnetix vdb fixes CVE-2026-12457

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-12457/fixes/registry"

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References

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