CVE-2016-3693

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-05-20 · updated 2026-06-17
Weakness: CWE-200

Description

The Safemode gem before 1.2.4 for Ruby, when initialized with a delegate object that is a Rails controller, allows context-dependent attackers to obtain sensitive information via the inspect method.

Affected products

Red Hat, Inc. rubygem-safemode: through 1.2.3

References

http://projects.theforeman.org/issues/14635
http://rubysec.com/advisories/CVE-2016-3693/
http://theforeman.org/security.html#2016-3693
http://www.openwall.com/lists/oss-security/2016/04/20/8
https://access.redhat.com/errata/RHSA-2018:0336
https://github.com/svenfuchs/safemode/commit/0f764a1720a3a68fd2842e21377c8bfad6d7126f
https://github.com/theforeman/foreman/commit/82f9b93c54f72c5814df6bab7fad057eab65b2f2
http://projects.theforeman.org/issues/14635
http://rubysec.com/advisories/CVE-2016-3693/
http://theforeman.org/security.html#2016-3693
http://www.openwall.com/lists/oss-security/2016/04/20/8
https://access.redhat.com/errata/RHSA-2018:0336

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