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Caddy 0.6 lifecycle

Current status

end of lifehigh

Caddy 0.6 reached end of life on 25 May 2015. Security and bug fixes are no longer provided by the project according to published lifecycle data.

This line is end of life.

Plan your upgrade →

Security: 11 tracked advisories affecting this line · 1 in CISA KEV. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: Caddy GitHub Releases

Support phase
end of life
End of life
25 May 2015
Latest release
0.6.0
Released
7 May 2015

At a glance

Version line
0.6
Initial release
7 May 2015
Lifecycle phase
end of life
Latest stable
0.6.0
Latest release date
7 May 2015
EOL
25 May 2015
Risk
high
Releases tracked
1

Lifecycle timeline

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

  1. Release

    7 May 2015

  2. standard support

    7 May 2015 → 25 May 2015

    Source: Caddy GitHub Releases

  3. end of lifecurrent

    25 May 2015 → —

    Source: Caddy GitHub Releases

Caddy 0.6 reached end of life on 25 May 2015. Security and bug fixes are no longer provided by the project according to published lifecycle data.

Upgrade options

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

You are on Caddy 0.6

End of lifeEOL 25 May 2015

Supported upgrade options

Open full upgrade planner for Caddy 0.6 →

Known exploited vulnerabilities

CVE entries that CISA lists in the Known Exploited Vulnerabilities catalogue, including due dates and ransomware use when published. CVSS shown when NVD enrichment is available.

  • CVE-2023-44487Known exploited

    HTTP/2 Rapid Reset Attack Vulnerability

    CISA KEV:
    listed · added 2023-10-10 · due 2023-10-31
    Required action:
    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    CVSS:
    7.5 (high) · NVD
    CWE:
    CWE-400
    Affected:
    <=2.427; <4.2.2; <3.4.2; <1.26.0; <4.1.100; <1.57.0; <2.5.0; <10.5.3; <9.4.0; <1.28.0; <2.7.5; <0.17.0
    Fixed in:
    4.2.2, 3.4.2, 1.26.0, 4.1.100, 1.57.0, 2.5.0, 10.5.3, 9.4.0, 1.28.0, 2.7.5, 0.17.0
    Source:
    CISA KEV · Advisory

Security

Advisories affecting Caddy 0.6 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
11
Known exploited
1
Highest CVSS
7.5
  • CVE-2023-44487Known exploited

    HTTP/2 Rapid Reset Attack Vulnerability

    CISA KEV:
    listed · added 2023-10-10 · due 2023-10-31
    Required action:
    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    CVSS:
    7.5 (high) · NVD
    CWE:
    CWE-400
    Affected:
    <=2.427; <4.2.2; <3.4.2; <1.26.0; <4.1.100; <1.57.0; <2.5.0; <10.5.3; <9.4.0; <1.28.0; <2.7.5; <0.17.0
    Fixed in:
    4.2.2, 3.4.2, 1.26.0, 4.1.100, 1.57.0, 2.5.0, 10.5.3, 9.4.0, 1.28.0, 2.7.5, 0.17.0
    Source:
    CISA KEV · Advisory
  • CVE-2026-52845

    Caddy: FastCGI header normalization bypass in `forward_auth copy_headers`

    Affected:
    <2.11.4
    Fixed in:
    2.11.4
    Source:
    OSV source · Advisory
  • CVE-2026-52844

    Caddy: Windows `file_server` path authorization bypass via encoded backslash

    Affected:
    <2.11.4
    Fixed in:
    2.11.4
    Source:
    OSV source · Advisory
  • CVE-2026-52846

    Caddy: stripHTML template function bypass

    Affected:
    <2.11.4
    Fixed in:
    2.11.4
    Source:
    OSV source · Advisory
  • CVE-2026-27590

    Caddy: Unicode case-folding length expansion causes incorrect split_path index (SCRIPT_NAME/PATH_INFO confusion) in FastCGI transport

    Affected:
    <2.11.1
    Fixed in:
    2.11.1
    Source:
    OSV source · Advisory
  • CVE-2026-27589

    Caddy vulnerable to cross-origin config application via local admin API /load (caddy)

    Affected:
    <2.11.1
    Fixed in:
    2.11.1
    Source:
    OSV source · Advisory
  • CVE-2026-27586

    Caddy's mTLS client authentication silently fails open when CA certificate file is missing or malformed

    Affected:
    <2.11.1
    Fixed in:
    2.11.1
    Source:
    OSV source · Advisory
  • CVE-2026-27585

    Caddy's improper sanitization of glob characters in file matcher may lead to bypassing security protections

    Affected:
    <2.11.1
    Fixed in:
    2.11.1
    Source:
    OSV source · Advisory
  • CVE-2023-50463
    Affected:
    <=0.6.0
    Source:
    OSV source · Advisory
  • CVE-2018-21246
    Affected:
    <0.10.3
    Fixed in:
    0.10.3
    Source:
    OSV source · Advisory
  • CVE-2018-19148
    Affected:
    <=0.11.0
    Source:
    OSV source

Latest release

0.6.0

Released 7 May 2015 · stable

https://github.com/caddyserver/caddy/releases/tag/v0.6.0

Release history

1 concrete release tracked for this line.

VersionRelease dateChannelSource
0.6.07 May 2015stableSource

Release activity

Total releases
1
Last 30 days
0
Last 90 days
0
Most recent
7 May 2015

Should I use this version?

Not recommended for new deployments

Upgrade to a currently supported release line. Recommended target: Caddy 2.11.

Version comparison

Compact comparison against the nearest relevant release lines.

0.62.11
Statusend of lifestandard support
Latest release0.6.02.11.4
EOLMay 2015Not published
Riskhighlow

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 Caddy versions