CVE-2026-66564
ThemeREX ShiftCV
- ThemeREX ShiftCV
- Critical
- CVSS 9.8
- EPSS 0.3%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| ThemeREX ShiftCV | from n/a through 3.0.14 | None listed |
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by Patchstack)
- EPSS
- 0.3% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: yes. Technical impact: total. As of Oct 11, 2026.
- Weakness
- CWE-502: Deserialization of Untrusted Data
- Vendor
- ThemeREX, ShiftCV
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.