Question 1

What is CVE-2026-121103 — CVE-2026-121103?

Accepted Answer

Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted Chrome extension. (Chromium security severity: Medium)

Question 2

What is the authoritative source for CVE-2026-121103?

Accepted Answer

CVE-2026-121103 (CVE-2026-121103) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-121103CVE-2026-121103

Description

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