Caddy 0.11 lifecycle
Current status
Caddy 0.11 reached end of life on 24 Apr 2019. 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: 9 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
- 24 Apr 2019
- Latest release
- 0.11.5
- Released
- 4 Mar 2019
At a glance
- Version line
- 0.11
- Initial release
- 10 May 2018
- Lifecycle phase
- end of life
- Latest stable
- 0.11.5
- Latest release date
- 4 Mar 2019
- EOL
- 24 Apr 2019
- Risk
- high
- Releases tracked
- 6
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
10 May 2018
standard support
10 May 2018 → 24 Apr 2019
Source: Caddy GitHub Releases
end of lifecurrent
24 Apr 2019 → —
Source: Caddy GitHub Releases
Caddy 0.11 reached end of life on 24 Apr 2019. 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 0.11
End of lifeEOL 24 April 2019
Supported upgrade options
- Caddy 2.11Upgrade planner →Supported· 2 major versions newer
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
Security
Advisories affecting Caddy 0.11 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 9
- 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
- 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-2018-19148
- Affected:
- <=0.11.0
- Source:
- OSV source
Latest release
Previous releases
0.11.4
15 Feb 2019
0.11.3
5 Feb 2019
0.11.2
16 Jan 2019
Release history
6 concrete releases tracked for this line.
Release activity
- Total releases
- 6
- Last 30 days
- 0
- Last 90 days
- 0
- Avg. interval
- ~60 days
- Most recent
- 4 Mar 2019
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.
Sources
Where this information comes from.
Lifecycle sources
- Caddy GitHub Releasesfirst party · high confidence
Official source: https://github.com/caddyserver/caddy/releases
Last verified 2 Sept 2026
- Caddy go.mod Go Toolchainfirst party
Official source: https://github.com/caddyserver/caddy
Verification time not recorded
- OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
Release sources
- Caddy GitHub Releasesfirst party · high confidence
Official source: https://github.com/caddyserver/caddy/releases
Last verified 2 Sept 2026
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 6
- Lifecycle periods
- 2
- EOL
- Known
- Provenance records
- 3
- Data last checked
- 2 Sept 2026
- Latest source update
- 2 Sept 2026
