CVE-2026-8971

Summary

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

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox151 <= *unaffected
MozillaThunderbird151 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References