CVE-2016-5697 Ruby-saml allows attackers to perform XML signature wrapping attacks
Attackers can bypass SAML authentication via XML signature wrapping in the Ruby-saml library, potentially leading to unauthorized access or code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-5697?
CVE-2016-5697 is a high-severity vulnerability in n/a, published on 23 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Ruby-saml before 1.3.0 allows attackers to perform XML signature wrapping attacks via unspecified vectors.
Weakness: CWE-91
Which versions are affected by CVE-2016-5697?
2 open source packages ship an affected version, including ruby-saml. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
ruby-saml RubyGems | All versions | 1.3.0 |
ruby-saml RubyGems | All versions | 1.3.0 |
Products include Onelogin Ruby-Saml.
How do I fix CVE-2016-5697?
Upgrade ruby-saml to 1.3.0 or later.
Is CVE-2016-5697 being exploited?
There is no known exploitation of CVE-2016-5697 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2015-20108 ruby-saml vulnerable to XPath injection
- CVE-2025-66567 ruby-saml has a SAML authentication bypass due to namespace handling (parser differential)
- CVE-2025-66568 ruby-saml Libxml2 Canonicalization errors can bypass Digest/Signature validation
- CVE-2017-11428 Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal
Sources
Also known as DEBIAN-CVE-2016-5697, GHSA-36p7-xjw8-h6f2, UBUNTU-CVE-2016-5697.