Jenkins 2.555 lifecycle
Current status
Jenkins 2.555 is currently in standard support.
Official lifecycle source: Jenkins GitHub Releases
- Support phase
- standard support
- End of life
- Not officially published
- Latest release
- 2.555.3
- Released
- 10 Jun 2026
At a glance
- Version line
- 2.555
- Initial release
- 18 Mar 2026
- Lifecycle phase
- standard support
- Latest stable
- 2.555.3
- Latest release date
- 10 Jun 2026
- EOL
- Not officially published
- Risk
- low
- Releases tracked
- 4
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
18 Mar 2026
standard supportcurrent
18 Mar 2026 → —
Source: Jenkins GitHub Releases
Jenkins 2.555 is currently in standard support.
Security
Advisories affecting Jenkins 2.555 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 8
- 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:
- <4.1.100; <3.4.2; <4.2.2; <9.4.0; <10.5.3
- Fixed in:
- 4.1.100, 3.4.2, 4.2.2, 9.4.0, 10.5.3
- CVE-2026-53442
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53440
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53439
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53438
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53437
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53436
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
- CVE-2026-53435
- Affected:
- <2.568
- Fixed in:
- 2.568
- Source:
- OSV source · Advisory
Latest release
2.555.3
Released 10 Jun 2026 · stable
https://github.com/jenkinsci/jenkins/releases/tag/jenkins-2.555.3Previous releases
2.555.2
13 May 2026
2.555.1
15 Apr 2026
2.555
18 Mar 2026
Release history
4 concrete releases tracked for this line.
Release activity
- Total releases
- 4
- Last 30 days
- 0
- Last 90 days
- 1
- Avg. interval
- ~28 days
- Most recent
- 10 Jun 2026
Should I use this version?
Suitable for new deployments
Jenkins 2.555 is currently supported (standard support).
Upgrade options
Newer supported Jenkins version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on Jenkins 2.555
Supported
Supported upgrade options
- Jenkins 2.579Upgrade planner →Supported· 24 minor versions newer
- Jenkins 2.578Upgrade planner →Supported· 23 minor versions newer
- Jenkins 2.577Upgrade planner →Supported· 22 minor versions newer
Version comparison
Compact comparison against the nearest relevant release lines.
Sources
Where this information comes from.
Lifecycle sources
- Jenkins GitHub Releasesfirst party · high confidence
Official source: https://api.github.com/repos/jenkinsci/jenkins/releases
Last verified 31 Aug 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
- Jenkins LTS policy documentationfirst party
Official source: https://www.jenkins.io/download/lts/
Verification time not recorded
Release sources
- Jenkins GitHub Releasesfirst party · high confidence
Official source: https://api.github.com/repos/jenkinsci/jenkins/releases
Last verified 31 Aug 2026
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 4
- Lifecycle periods
- 1
- EOL
- Not officially published
- Provenance records
- 2
- Data last checked
- 31 Aug 2026
- Latest source update
- 31 Aug 2026
EOL: Not officially published