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SANS Stormcast Thursday, January 8th, 2026: HTML QR Code Phishing; n8n vulnerability; Powerbank Feature Creep

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HTML QR Code Phishing; n8n vulnerability; Powerbank Feature Creep

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A phishing campaign with QR codes rendered using an HTML table
Phishing emails are bypassing filters by encoding QR codes as HTML tables.
https://isc.sans.edu/diary/A%20phishing%20campaign%20with%20QR%20codes%20rendered%20using%20an%20HTML%20table/32606

n8n vulnerabilities
In recent days, several new n8n vulnerabilities were disclosed. Ensure that you update any on-premises installations and carefully consider what to use n8n for.
https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858
https://github.com/n8n-io/n8n/security/advisories/GHSA-v4pr-fm98-w9pg

Power bank feature creep is out of control
Simple power banks are increasingly equipped with advanced features, including networking, which may expose them to security risks.
https://www.theverge.com/tech/856225/power-banks-are-the-latest-victims-of-feature-creep

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Discussion

The Shibboleth vulnerability is quite interesting. In their example, the SAML signature covers the entire and they've made modifications to it (the changes to the uid) that should cause the signature to fail validation. This vulnerability speaks to larger architectural issues with Shibboleth. Obviously the signature validation is happening on a DIFFERENT document (the inline DTD defs are resolved and replaced) than the attribute extraction code works on (the inline DTD variables are not replaced). This is a HUGE no no and leads to the confused deputy issues that caused the vulnerability. I would bet other SP SAML parsing code is making similar mistakes.

Posted by Anonymous on Tue Jan 16 2018, 16:54

Application Security: Securing Web Apps, APIs, and Microservices	Orlando	Mar 29th - Apr 3rd 2026
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