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Head-to-head

HAProxy vs OpenVPN

OpenVPN carries 1.8× the disclosed CVE volume of HAProxy. 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.

01

Disclosure record

Bars are normalized per row to the larger value; the leading count is emphasized.

Metric comparison: HAProxy versus OpenVPN. Each row gives the metric, HAProxy’s count on the left and OpenVPN’s count on the right.
HAProxyMetricOpenVPN
34Total CVEs60
2Critical8
21High30
11Medium18
0Low4
14Open in latest27
1Product families1
02

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%

OpenVPN

13.3% critical
Critical
813.3%
High
3050.0%
Medium
1830.0%
Low
46.7%
03

Recent activity

Latest in-window disclosures per vendor, newest first. Each ID links to its NVD record.

HAProxy

Recent CVEs affecting HAProxy
CVESeverityCVSSPublished
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

OpenVPN

Recent CVEs affecting OpenVPN
CVESeverityCVSSPublished
CVE-2026-9560(opens NVD record)High
7.8
May 26, 2026
CVE-2026-34617(opens NVD record)High
8.7
Apr 14, 2026
CVE-2026-34615(opens NVD record)Critical
9.3
Apr 14, 2026
CVE-2026-34614(opens NVD record)Medium
6.1
Apr 14, 2026
CVE-2026-27303(opens NVD record)Critical
9.6
Apr 14, 2026
CVE-2026-27246(opens NVD record)Critical
9.3
Apr 14, 2026