RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process.
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process.
Why it matters now
EPSS 0.02308 83rd percentileScored 2026-11-07
Fix Fixed passenger (RubyGems): 4.0.0.rc4
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 |
|---|---|---|---|---|---|
| ruby-passenger | ruby-passenger | 4.0.53-1 | — | No fix listed | CNA |
| — | passenger (RubyGems) | before 4.0.0.rc4 | 4.0.0.rc4 | Patch available | GHSA-8mw8-j583-vqfg |
- ruby-passenger Vendorruby-passenger Affected 4.0.53-1 Fixed in — No fix listed CNA
- passenger (RubyGems) Vendor— Affected before 4.0.0.rc4 Fixed in 4.0.0.rc4 Patch available GHSA-8mw8-j583-vqfg
Remediation
- Fix · GHSA-8mw8-j583-vqfg passenger (RubyGems) Fixed in 4.0.0.rc4 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 1 product
- OpenShift Enterprise 1
Timeline
- 2026-10-02 Threatist record created from CVE-2012-6135
- 2026-10-03 Alias added: GHSA-8mw8-j583-vqfg
References
Patch 2
Advisory 2
Other 5
- https://github.com/phusion/passenger/commit/8c6693e0818772c345c979840d28312c2edd4ba4
- https://github.com/phusion/passenger/commit/8c6693e0818772c345c979840d28312c2edd4ba4#commitcomment-2643541
- https://github.com/phusion/passenger
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/passenger/CVE-2012-6135.yml
- https://web.archive.org/web/20200918164919/https://old.blog.phusion.nl/2013/03/05/phusion-passenger-4-0-beta-1-and-2-arbitrary-file-deletion-vulnerability
Sources
- CVE-2012-6135 · CVE Program
- CVE-2012-6135 · NVD
- FIRST EPSS
- GHSA-8mw8-j583-vqfg · GitHub Advisory Database · CC BY 4.0
- CVE-2012-6135 · Red Hat security data · CC BY 4.0
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