Frontier Airlines publicly available email address validation
Priority LOW 36CWE-204Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-204.
Summary
The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00332 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Frontier Airlines | flyfrontier.com | all versions | — | No fix listed | CNA |
- flyfrontier.com VendorFrontier Airlines Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:flyfrontier:frontier_airlines:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Flyfrontier |
- cpe:2.3:a:flyfrontier:frontier_airlines:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Flyfrontier
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62236
- 2026-10-03 Alias added: GHSA-6c55-4c23-gp8x
Sources
- CVE-2025-62236 · CVE Program
- CVE-2025-62236 · NVD
- FIRST EPSS
- GHSA-6c55-4c23-gp8x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences