Traefik 1.1 lifecycle
Current status
Traefik 1.1 is currently in standard support.
Security: 9 tracked advisories affecting this line · 1 in CISA KEV. Details below — lifecycle and vulnerability status are separate.
Official lifecycle source: Traefik GitHub Releases
- Support phase
- standard support
- End of life
- Not officially published
- Latest release
- 1.1.2
- Released
- 15 Dec 2016
At a glance
- Version line
- 1.1
- Initial release
- 18 Nov 2016
- Lifecycle phase
- standard support
- Latest stable
- 1.1.2
- Latest release date
- 15 Dec 2016
- EOL
- Not officially published
- Risk
- low
- Releases tracked
- 3
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
18 Nov 2016
standard supportcurrent
18 Nov 2016 → —
Source: Traefik GitHub Releases
Traefik 1.1 is currently in standard support.
Upgrade options
Newer supported Traefik version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on Traefik 1.1
Supported
Supported upgrade options
- Traefik 3.7Upgrade planner →Supported· 2 major versions newer
- Traefik 3.6Upgrade planner →Supported· 2 major versions newer
- Traefik 3.5Upgrade 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.
- Affected:
- <10.5.3; <9.4.0; <1.28.0; <2.7.5; <=2.427; <4.2.2; <3.4.2; <1.22; <1.26.0; <4.1.100; <1.57.0; <2.5.0
- Fixed in:
- 10.5.3, 9.4.0, 1.28.0, 2.7.5, 4.2.2, 3.4.2, 1.22, 1.26.0, 4.1.100, 1.57.0, 2.5.0
Security
Advisories affecting Traefik 1.1 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 9
- Known exploited
- 1
- Highest CVSS
- —
- 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.
- Affected:
- <10.5.3; <9.4.0; <1.28.0; <2.7.5; <=2.427; <4.2.2; <3.4.2; <1.22; <1.26.0; <4.1.100; <1.57.0; <2.5.0
- Fixed in:
- 10.5.3, 9.4.0, 1.28.0, 2.7.5, 4.2.2, 3.4.2, 1.22, 1.26.0, 4.1.100, 1.57.0, 2.5.0
- CVE-2026-53622
Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts
- Affected:
- <3.7.3
- Fixed in:
- 3.7.3
- Source:
- OSV source · Advisory
- CVE-2026-29777
Traefik has a kubernetes gateway rule injection via unescaped backticks in HTTPRoute match values
- Affected:
- <3.6.10
- Fixed in:
- 3.6.10
- Source:
- OSV source · Advisory
- CVE-2026-25949
Traefik: TCP readTimeout bypass via STARTTLS on Postgres
- Affected:
- <3.6.8
- Fixed in:
- 3.6.8
- Source:
- OSV source · Advisory
- CVE-2022-46153
Routes exposed with an empty TLSOption in traefik
- Affected:
- <2.9.6
- Fixed in:
- 2.9.6
- Source:
- OSV source · Advisory
- CVE-2022-23469
Authorization header displayed in the debug logs
- Affected:
- <2.9.6
- Fixed in:
- 2.9.6
- Source:
- OSV source · Advisory
- CVE-2022-23632
Traefik skips the router TLS configuration when the host header is an FQDN
- Affected:
- <2.6.1
- Fixed in:
- 2.6.1
- Source:
- OSV source · Advisory
- CVE-2021-32813
- Affected:
- <2.4.13
- Fixed in:
- 2.4.13
- Source:
- OSV source · Advisory
- CVE-2021-27375
- Affected:
- <2.4.5
- Fixed in:
- 2.4.5
- Source:
- OSV source · Advisory
Latest release
Previous releases
1.1.1
29 Nov 2016
1.1.0
18 Nov 2016
Release history
3 concrete releases tracked for this line.
Release activity
- Total releases
- 3
- Last 30 days
- 0
- Last 90 days
- 0
- Avg. interval
- ~14 days
- Most recent
- 15 Dec 2016
Should I use this version?
Suitable for new deployments
Traefik 1.1 is currently supported (standard support).
Version comparison
Compact comparison against the nearest relevant release lines.
Sources
Where this information comes from.
Lifecycle sources
- Traefik GitHub Releasesfirst party · high confidence
Official source: https://github.com/traefik/traefik/releases
Last verified 1 Sept 2026
- 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
- Traefik GitHub Releasesfirst party · high confidence
Official source: https://github.com/traefik/traefik/releases
Last verified 1 Sept 2026
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 3
- Lifecycle periods
- 1
- EOL
- Not officially published
- Provenance records
- 2
- Data last checked
- 1 Sept 2026
- Latest source update
- 1 Sept 2026
EOL: Not officially published