Application Delivery / ADC · head-to-head
HAProxy vs Progress (Kemp LoadMaster)
L4-L7 load balancers, ADCs and reverse proxies. Counts are scoped to this segment and the selected published-date window. HAProxy carries 1.5× the disclosed CVE volume of Progress (Kemp LoadMaster). Volume reflects disclosure practice and install base as much as code quality — read it with the severity mix. Sourced from the NIST NVD; lower counts indicate a smaller disclosed vulnerability surface — not necessarily lower risk.
Disclosure record
Bars are normalized per row to the larger value; the leading count is emphasized.
| HAProxy | Metric | Progress (Kemp LoadMaster) | ||
|---|---|---|---|---|
| 34 | Total CVEs | 22 | ||
| 2 | Critical | 3 | ||
| 21 | High | 17 | ||
| 11 | Medium | 2 | ||
| 0 | Low | 0 | ||
| 14 | Open in latest | 4 |
Risk profile
Each severity band as a share of the vendor's own total — strips out raw volume so the profiles compare directly.
HAProxy
5.9% critical- Critical
- 25.9%
- High
- 2161.8%
- Medium
- 1132.4%
- Low
- 00.0%
Progress (Kemp LoadMaster)
13.6% critical- Critical
- 313.6%
- High
- 1777.3%
- Medium
- 29.1%
- Low
- 00.0%
Recent activity
Latest in-window disclosures per vendor, newest first. Each ID links to its NVD record.
HAProxy
| CVE | Severity | CVSS | Published |
|---|---|---|---|
| CVE-2026-55204(opens NVD record) | High | 7.5 | Jun 18, 2026 |
| CVE-2026-55203(opens NVD record) | High | 7.5 | Jun 18, 2026 |
| CVE-2026-33555(opens NVD record) | Medium | 4.0 | Apr 13, 2026 |
| CVE-2025-11230(opens NVD record) | High | 7.5 | Nov 19, 2025 |
| CVE-2024-45506(opens NVD record) | High | 7.5 | Sep 4, 2024 |
| CVE-2023-45539(opens NVD record) | High | 8.2 | Nov 28, 2023 |
Progress (Kemp LoadMaster)
| CVE | Severity | CVSS | Published |
|---|---|---|---|
| CVE-2026-4048(opens NVD record) | High | 8.4 | Apr 20, 2026 |
| CVE-2026-3519(opens NVD record) | High | 8.4 | Apr 20, 2026 |
| CVE-2026-3518(opens NVD record) | High | 8.4 | Apr 20, 2026 |
| CVE-2026-3517(opens NVD record) | High | 8.4 | Apr 20, 2026 |
| CVE-2025-13447(opens NVD record) | High | 8.4 | Jan 13, 2026 |
| CVE-2025-13444(opens NVD record) | High | 8.4 | Jan 13, 2026 |
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