Jekyll through 3.6.2, 3.7.x through 3.7.3, and 3.8.x through 3.8.3 allows attackers to…
Priority LOW 37CWE-59Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-59 and the CVSS impact.
Summary
Jekyll through 3.6.2, 3.7.x through 3.7.3, and 3.8.x through 3.8.3 allows attackers to access arbitrary files by specifying a symlink in the "include" key in the "_config.yml" file.
Why it matters now
EPSS 0.02188 82nd percentileScored 2026-11-07
Fix Fixed jekyll (RubyGems): 3.6.3, 3.7.4, 3.8.4
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 |
| — | jekyll (RubyGems) | before 3.6.3 | 3.6.3 | Patch available | GHSA-4xjh-m3qx-49wc |
| — | jekyll (RubyGems) | 3.7.0 to before 3.7.4 | 3.7.4 | Patch available | GHSA-4xjh-m3qx-49wc |
| — | jekyll (RubyGems) | 3.8.0 to before 3.8.4 | 3.8.4 | Patch available | GHSA-4xjh-m3qx-49wc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- jekyll (RubyGems) Vendor— Affected before 3.6.3 Fixed in 3.6.3 Patch available GHSA-4xjh-m3qx-49wc
- jekyll (RubyGems) Vendor— Affected 3.7.0 to before 3.7.4 Fixed in 3.7.4 Patch available GHSA-4xjh-m3qx-49wc
- jekyll (RubyGems) Vendor— Affected 3.8.0 to before 3.8.4 Fixed in 3.8.4 Patch available GHSA-4xjh-m3qx-49wc
Remediation
- Fix · GHSA-4xjh-m3qx-49wc jekyll (RubyGems) Fixed in 3.6.3 Advisory →
- Fix · GHSA-4xjh-m3qx-49wc jekyll (RubyGems) Fixed in 3.7.4 Advisory →
- Fix · GHSA-4xjh-m3qx-49wc jekyll (RubyGems) Fixed in 3.8.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17567
- 2026-10-03 Alias added: GHSA-4xjh-m3qx-49wc
References
Patch 2
Other 5
- [accumulo-commits] 20190424 [accumulo-website] branch master updated: Update Jekyll (CVE-2018-17567)
- https://github.com/jekyll/jekyll
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/jekyll/CVE-2018-17567.yml
- https://jekyllrb.com/news/2018/09/19/security-fixes-for-3-6-3-7-3-8
- https://lists.apache.org/thread.html/71da391f584b2fb301d2df0e491b279d87287e2fb4b11309f04ad984@%3Ccommits.accumulo.apache.org%3E
Sources
- CVE-2018-17567 · CVE Program
- CVE-2018-17567 · NVD
- FIRST EPSS
- GHSA-4xjh-m3qx-49wc · GitHub Advisory Database · CC BY 4.0
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