Trail of Bits on X: “A 2012 USENIX paper brought XML Signature Wrapping (XSW) attacks again…”

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A 2012 USENIX paper brought XML Signature Wrapping (XSW) attacks against SAML into the mainstream. SAML has repeatedly shown that complexity is the antithesis of security. Matt Schwager names 5 protocol design flaws enabling SAML's insecurity: blog.trailofbits.com/2026/09/21/sam…

blog.trailofbits.comSAML: A fractal of bad design

Sep 21, 2026, 11:18 AM UTC · Edited

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Trail of Bits on X: “A 2012 USENIX paper brought XML Signature Wrapping (XSW) attacks again…” | PeekX