High severity8.1NVD Advisory· Published Apr 13, 2021· Updated Jun 17, 2026
CVE-2021-29435
CVE-2021-29435
Description
trestle-auth is an authentication plugin for the Trestle admin framework. A vulnerability in trestle-auth versions 0.4.0 and 0.4.1 allows an attacker to create a form that will bypass Rails' built-in CSRF protection when submitted by a victim with a trestle-auth admin session. This potentially allows an attacker to alter protected data, including admin account credentials. The vulnerability has been fixed in trestle-auth 0.4.2 released to RubyGems.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
trestle-authRubyGems | >= 0.4.0, < 0.4.2 | 0.4.2 |
Affected products
2- Range: >= 0.4.0, < 0.4.2
Patches
Vulnerability mechanics
References
6- github.com/TrestleAdmin/trestle-auth/commit/cb95b05cdb2609052207af07b4b8dfe3a23c11dcnvdPatchThird Party AdvisoryWEB
- github.com/TrestleAdmin/trestle-auth/security/advisories/GHSA-h8hx-2c5r-32cfnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-h8hx-2c5r-32cfghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-29435ghsaADVISORY
- rubygems.org/gems/trestle-authnvdProductThird Party AdvisoryWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/trestle-auth/CVE-2021-29435.ymlghsaWEB
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