VulnSocial

CVE-2026-3846Disclosure(mozilla / firefox)

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.

mozilla CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-346

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • firefox

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
mozilla
Products
firefox

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-19: 1Technical Details · 2026-03-19: 103-19
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    CVE-2026-3846 Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability affects Firefox < 148.0.2. https://www.cve.org/CVERecord?id=CVE-2026-3846

    Post summary

    The statement announces a new CVE (CVE‑2026‑3846) affecting Firefox versions below 148.0.2, highlighting a same-origin policy bypass in the CSS Parsing and Computation component.

    00000193
    56.8K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---

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