Information disclosure in https://github.com/rails/activeresource
Priority LOW 37CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200 and CWE-863.
Summary
There is a possible information disclosure issue in Active Resource <v5.1.1 that could allow an attacker to create specially crafted requests to access data in an unexpected way and possibly leak information.
Why it matters now
EPSS 0.02218 82nd percentileScored 2026-11-07
Fix Fixed activeresource (RubyGems): 5.1.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | https://github.com/rails/activeresource | 5.1.1 | — | No fix listed | CNA |
| — | activeresource (RubyGems) | 3.0.0.rc to before 5.1.1 | 5.1.1 | Patch available | GHSA-46j2-xjgp-jrfm |
- https://github.com/rails/activeresource Vendor— Affected 5.1.1 Fixed in — No fix listed CNA
- activeresource (RubyGems) Vendor— Affected 3.0.0.rc to before 5.1.1 Fixed in 5.1.1 Patch available GHSA-46j2-xjgp-jrfm
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rubyonrails:active_resource:*:*:*:*:*:*:*:* | before 5.1.1 | Vulnerable | Rails |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 33 | Vulnerable | Fedoraproject |
- cpe:2.3:a:rubyonrails:active_resource:*:*:*:*:*:*:*:* Versions before 5.1.1 Vulnerable ·Rails
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-46j2-xjgp-jrfm activeresource (RubyGems) Fixed in 5.1.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8151
- 2026-10-03 Alias added: GHSA-46j2-xjgp-jrfm
References
Other 6
- https://groups.google.com/forum/#%21topic/rubyonrails-security/pktoF4VmiM8
- https://github.com/rails/activeresource/commit/0de18f7e96fa90bbf23b16ac11980bc2cb6a716e
- https://github.com/rails/rails/commit/0e969bdaf8ff2e3384350687aa0b583f94d6dfbc
- https://github.com/rails/activeresource
- https://groups.google.com/forum/#!topic/rubyonrails-security/pktoF4VmiM8
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P7B7A4H22DZ522HLDS3JX3NX2CXIOZSR
Sources
- CVE-2020-8151 · CVE Program
- CVE-2020-8151 · NVD
- FIRST EPSS
- GHSA-46j2-xjgp-jrfm · GitHub Advisory Database · CC BY 4.0
- CVE-2020-8151 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences