{"vulnerability": "CVE-2026-73420", "sightings": [{"uuid": "66547108-bd9a-4101-8088-6ff220e13a96", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-73420", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3msyrstfqbh2e", "content": "CVE-2026-73420 - next-auth\nNextAuth.js, a popular authentication tool for Next.js websites, had a security issue that allowed attackers to bypass email verification. This meant an attacker could trick\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#nextauth #nextauthjs #CVE #infosec", "creation_timestamp": "2026-08-13T23:20:04.346820Z"}, {"uuid": "fb002a40-f3ad-46b7-a8ab-afbd5af3c9a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-73420", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117091272429906586", "content": "NextAuth.js CRITICAL vuln (CVE-2026-73420): Unicode email normalization flaw lets attackers intercept magic links & access accounts. Affects pre-@auth/core 0.41.3, next-auth 4.24.15, 5.0.0-beta.32. Patch now! https://radar.offseq.com/threat/cve-2026-73420-cwe-180-incorrect-behavior-order-validate-before-canonicalize-in-nextauthjs-next-auth-d40a9b21d54d8a7a #OffSeq #NextAuth #IAM #CVE202673420", "creation_timestamp": "2026-08-14T01:30:28.483841Z"}, {"uuid": "695bbfc0-27a2-4d74-9a59-2179107cc845", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-73420", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3msyz3zt4qj24", "content": "NextAuth.js CRITICAL vuln: CVE-2026-73420 allows attackers to hijack magic link sign-ins via Unicode email tricks. Upgrade to @auth/core 0.41.3, next-auth 4.24.15+ now. Details: https://radar.offseq.com/threat/cve-2026-73420-cwe-180-incorrect-behavior-order-validate-before-canonicalize-in-nextaut...", "creation_timestamp": "2026-08-14T01:30:29.733992Z"}]}