CVE-2026-109575
HAProxy Data Plane API EE
- HAProxy Data Plane API EE
- Critical
- CVSS 9.8
- EPSS 0.36%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| HAProxy Data Plane API EE | Only in the CVE record | 2.9.29-ee1, 3.0.25-ee1, 3.2.17-ee1, 3.3.9-ee1, 3.4.4-ee1 |
| HAProxy Data Plane API CE | Only in the CVE record | 2.9.29, 3.0.25, 3.2.17, 3.3.9, 3.4.4 |
The CVE record lists 10 ranges this page cannot state exactly.
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.8 (v3.1, scored by mitre)
- EPSS
- 0.36% 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 13, 2026.
- Weakness
- CWE-306: Missing Authentication for Critical Function
- Vendor
- HAProxy, Data Plane API EE
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.