What is CVE-2026-11525?

CVE-2026-11525 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. undici vulnerable to Set-Cookie SameSite attribute downgrade via permissive substring matching

Which CVE IDs does CVE-2026-11525 cover?

CVE-2026-11525 covers the following CVE IDs: CVE-2026-11525. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-11525?

CVE-2026-11525 has a CVSS v3 base score of 3.7, published by Microsoft Security Response Center (MSRC).

CVE-2026-11525LowCVSS 3.7

undici vulnerable to Set-Cookie SameSite attribute downgrade via permissive substring matching

Vendor

Microsoft Security Response Center (MSRC)

Published

June 30, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-11525 →