Findings

CVE-2026-8948

Same-origin policy bypass in the DOM: Networking component.

Published May 19, 2026 · updated Oct 14, 2026 · mozilla firefox

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Timeline

Detection, updates, and resolution for this record.

  1. May 19, 2026 · NIST NVD

    Detected

    Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Affected

  • cpe mozilla/firefoxversion unspecified
  • cpe mozilla/thunderbirdversion unspecified

Sources

  • CVE.orgCVE-2026-8948

    Official CVE identifier

    cve.org
  • NIST NVDCVE-2026-8948

    Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

    nvd.nist.gov

References

CVE-2026-8948 · ZeroDay Findings