Question 1

What is CVE-2026-23603 — CVE-2026-23603?

Accepted Answer

Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Question 2

What is the authoritative source for CVE-2026-23603?

Accepted Answer

CVE-2026-23603 (CVE-2026-23603) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-23603CVE-2026-23603

Description