In Phusion Passenger before 5.1.0, a known /tmp filename was used during…
Priority LOW 34CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-264.
Summary
In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user.
Why it matters now
EPSS 0.00464 40th percentileScored 2026-11-07
Fix Partial passenger (RubyGems): 5.1.0Red Hat: 2 without a fix
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | passenger (RubyGems) | before 5.1.0 | 5.1.0 | Patch available | GHSA-cqxw-3p7v-p9gr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- passenger (RubyGems) Vendor— Affected before 5.1.0 Fixed in 5.1.0 Patch available GHSA-cqxw-3p7v-p9gr
Remediation
- Fix · GHSA-cqxw-3p7v-p9gr passenger (RubyGems) Fixed in 5.1.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Enterprise 2 | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat Ceph Storage 1.3
- Red Hat Satellite 6
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10345
- 2026-10-03 Alias added: GHSA-cqxw-3p7v-p9gr
References
Patch 2
Advisory 2
More Phusion Passenger vulnerabilities
- TI-2018-08619 During the spawning of a malicious Passenger-managed application, SpawningKit in Phusion… CVSS 3.0CRITICAL 9.8
- TI-2025-19710 Use of uninitialized resource in Phusion Passenger CVSS 3.1HIGH 7.5
- TI-2018-08620 An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before… CVSS 3.0HIGH 8.8
- TI-2012-05097 RubyGems passenger 4.0.0 betas 1 and 2 allows remote attackers to delete arbitrary files during the startup process. CVSS 3.1HIGH 7.5
- TI-2018-08621 An Incorrect Access Control vulnerability in SpawningKit in Phusion Passenger 5.3.x… CVSS 3.0HIGH 7.8
- TI-2018-08622 A race condition in the nginx module in Phusion Passenger 3.x through 5.x before 5.3.2… CVSS 3.0HIGH 7.0
Sources
- CVE-2016-10345 · CVE Program
- CVE-2016-10345 · NVD
- FIRST EPSS
- GHSA-cqxw-3p7v-p9gr · GitHub Advisory Database · CC BY 4.0
- CVE-2016-10345 · Red Hat security data · CC BY 4.0
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