Gentoo Linux Security Advisory 201801-11 - A vulnerability in PySAML2 might allow remote attackers to bypass authentication. Versions less than 4.5.0 are affected.
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Ubuntu Security Notice 3520-1 - It was discovered that PySAML2 incorrectly accepted any password when run with python optimizations enabled. An attacker could use this issue to authenticate as any user without a valid password.
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