Sidekiq-cron thru 2.3.1, an open-source scheduling add-on for Sidekiq, is vulnerable to a…
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-79.
Summary
Sidekiq-cron thru 2.3.1, an open-source scheduling add-on for Sidekiq, is vulnerable to a cross-site scripting (xss) vulnerability via crafted URL being rended from cron.erb.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00194 9th percentileScored 2026-11-07
Fix Partial sidekiq-cron (RubyGems): 2.4.0Red Hat: 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | sidekiq-cron (RubyGems) | before 2.4.0 | 2.4.0 | Patch available | GHSA-xv9c-mjw8-79gf |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- sidekiq-cron (RubyGems) Vendor— Affected before 2.4.0 Fixed in 2.4.0 Patch available GHSA-xv9c-mjw8-79gf
Remediation
- Fix · GHSA-xv9c-mjw8-79gf sidekiq-cron (RubyGems) Fixed in 2.4.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-67202
- 2026-10-03 Alias added: GHSA-xv9c-mjw8-79gf
References
Other 6
- https://github.com/sidekiq-cron/sidekiq-cron/issues/569
- https://github.com/sidekiq-cron/sidekiq-cron/releases/tag/v2.4.0
- https://github.com/sidekiq-cron/sidekiq-cron/pull/568
- https://github.com/sidekiq-cron/sidekiq-cron/commit/7b4ae4822f93ef4646f5cb55500ca4e25662db7c
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sidekiq-cron/CVE-2025-67202.yml
- https://github.com/sidekiq-cron/sidekiq-cron
Sources
- CVE-2025-67202 · CVE Program
- CVE-2025-67202 · NVD
- FIRST EPSS
- GHSA-xv9c-mjw8-79gf · GitHub Advisory Database · CC BY 4.0
- CVE-2025-67202 · 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