lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to…
Priority LOW 25CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.
Why it matters now
EPSS 0.00477 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed gyazo (RubyGems): 2.0.0
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 |
| — | gyazo (RubyGems) | 1.0.0 to before 2.0.0 | 2.0.0 | Patch available | GHSA-6x45-86q6-rcmr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- gyazo (RubyGems) Vendor— Affected 1.0.0 to before 2.0.0 Fixed in 2.0.0 Patch available GHSA-6x45-86q6-rcmr
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gyazo_project:gyazo:1.0.0:*:*:*:*:ruby:*:* | 1.0.0 | Vulnerable | Gyazo Project |
- cpe:2.3:a:gyazo_project:gyazo:1.0.0:*:*:*:*:ruby:*:* Versions 1.0.0 Vulnerable ·Gyazo Project
Remediation
- Fix · GHSA-6x45-86q6-rcmr gyazo (RubyGems) Fixed in 2.0.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2014-4994
- 2026-10-03 Alias added: GHSA-6x45-86q6-rcmr
References
Advisory 3
Sources
- CVE-2014-4994 · CVE Program
- CVE-2014-4994 · NVD
- FIRST EPSS
- GHSA-6x45-86q6-rcmr · GitHub Advisory Database · CC BY 4.0
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