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Unrated severityNVD Advisory· Published Sep 29, 2026

CVE-2026-100809

CVE-2026-100809

Description

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.

Affected products

2

Mozilla Corporation/Firefoxllm-fuzzy
Range: up to 157
Mozilla Corporation/Firefox Esrllm-fuzzy
Range: up to 153.4

Patches

Vulnerability mechanics

References

3

News mentions

0

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