HAProxy 2.6 lifecycle

Current status

security supportmedium

HAProxy 2.6 is currently in security support. The release line remains supported according to published lifecycle data.

Security: 3 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: HAProxy Homepage Branch Table

Support phase
security support
End of life
30 Jun 2027
Latest release
2.6.0
Released
31 May 2022

At a glance

Version line
2.6
Initial release
31 May 2022
Lifecycle phase
security support
Latest stable
2.6.0
Latest release date
31 May 2022
EOL
30 Jun 2027
Until EOL
~10 months
Risk
medium
Releases tracked
1

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

  1. Release

    31 May 2022

  2. security supportcurrent

    31 May 2022 → 30 Jun 2027

    Source: HAProxy Homepage Branch Table

  3. end of life

    30 Jun 2027 → —

    Source: HAProxy Homepage Branch Table

HAProxy 2.6 is currently in security support. The release line remains supported according to published lifecycle data.

Upgrade options

Newer supported HAProxy version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on HAProxy 2.6

SupportedEOL 30 June 2027

Supported upgrade options

Open full upgrade planner for HAProxy 2.6

Security

Advisories affecting HAProxy 2.6 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
3
Known exploited
0
Highest CVSS
  • CVE-2026-55204

    HAProxy - NULL Pointer Dereference in hpack_dht_insert Function

    Affected:
    <=3.4.0
    Source:
    OSV source · Advisory
  • CVE-2026-55203

    HAProxy - Integer Overflow in FCGI Demux Record Length Field

    Affected:
    <=3.4.0
    Source:
    OSV source · Advisory
  • CVE-2023-45539
    Affected:
    <2.8.2
    Fixed in:
    2.8.2
    Source:
    OSV source · Advisory

Latest release

Release history

1 concrete release tracked for this line.

VersionRelease dateChannelSource
2.6.031 May 2022stableSource

Release activity

Total releases
1
Last 30 days
0
Last 90 days
0
Most recent
31 May 2022

Should I use this version?

Supported, but a newer release line may be preferable

HAProxy 2.6 is in security support. Consider HAProxy 3.4 for new work.

Version comparison

Compact comparison against the nearest relevant release lines.

2.63.4
Statussecurity supportstandard support
Latest release2.6.03.4.0
EOLJun 2027Jun 2031
Riskmediumlow

Sources

Where this information comes from.

Lifecycle sources

Release sources

Data coverage

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Releases tracked
1
Lifecycle periods
2
EOL
Known
Provenance records
3
Data last checked
2 Sept 2026
Latest source update
2 Sept 2026

Other HAProxy versions