EUVD-2026-30919
Origin Validation Error (CWE-346)
GHSA-wg2h-wc56-7jcc
6.5
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Lifecycle Timeline
1
CVE Published
May 19, 2026 - 12:30 nvd
UNKNOWN (no severity yet)
DescriptionNVD
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151.
Analysis
Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151.
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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