Dashboard / CVE-2026-6763

CVE-2026-6763

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 73/100
Published: 2026-04-21 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: Low
I: Low
A: None

Description

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
mozilla firefox < 140.10.0
mozilla firefox < 150.0
mozilla thunderbird 140.0 – 140.10.0

References & Advisories (5)

Bug Bounty Relevance

73 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.19%
Raw Score 0.001910
Percentile 8.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00191
2026-10-28
0.00191

Intelligence Sources

nvd ref →

External Links