HashiCorp Vault 1.21 lifecycle
Current status
HashiCorp Vault 1.21 is currently in standard support.
Security: 6 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.
Official lifecycle source: Vault GitHub Releases
- Support phase
- standard support
- End of life
- Not officially published
- Latest release
- 1.21.4
- Released
- 5 Mar 2026
At a glance
- Version line
- 1.21
- Initial release
- 22 Oct 2025
- Lifecycle phase
- standard support
- Latest stable
- 1.21.4
- Latest release date
- 5 Mar 2026
- EOL
- Not officially published
- Risk
- low
- Releases tracked
- 5
Lifecycle timeline
Phases from published LifecyclePeriod records. Missing phases are not inferred.
Release
22 Oct 2025
standard supportcurrent
22 Oct 2025 → —
Source: Vault GitHub Releases
HashiCorp Vault 1.21 is currently in standard support.
Upgrade options
Newer supported HashiCorp Vault version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.
You are on HashiCorp Vault 1.21
Supported
Supported upgrade options
- HashiCorp Vault 2.1Upgrade planner →Supported· 1 major version newer
- HashiCorp Vault 2.0Upgrade planner →Supported· 1 major version newer
Security
Advisories affecting HashiCorp Vault 1.21 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.
- Known vulnerabilities
- 6
- Known exploited
- 0
- Highest CVSS
- —
- CVE-2026-12624
Vault vulnerable to LIST authorization bypass via trailing-slash strip
- Affected:
- <2.0.3
- Fixed in:
- 2.0.3
- Source:
- OSV source · Advisory
- CVE-2025-4166
Vault May Include Sensitive Data in Error Logs When Using the KV v2 Plugin
- Affected:
- <2.2.2
- Fixed in:
- 2.2.2
- Source:
- OSV source · Advisory
- CVE-2024-8185
Vault Vulnerable to Denial of Service When Processing Raft Join Requests
- Affected:
- <2.0.3
- Fixed in:
- 2.0.3
- Source:
- OSV source · Advisory
- CVE-2024-9180
Vault Operators in Root Namespace May Elevate Their Privileges
- Affected:
- <2.0.3
- Fixed in:
- 2.0.3
- Source:
- OSV source · Advisory
- CVE-2024-7594
Vault SSH Secrets Engine Configuration Did Not Restrict Valid Principals By Default
- Affected:
- <2.0.2
- Fixed in:
- 2.0.2
- Source:
- OSV source · Advisory
- CVE-2024-2048
Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates
- Affected:
- <2.0.0
- Fixed in:
- 2.0.0
- Source:
- OSV source · Advisory
Latest release
Previous releases
1.21.3
4 Mar 2026
1.21.2
7 Jan 2026
1.21.1
19 Nov 2025
Release history
5 concrete releases tracked for this line.
Release activity
- Total releases
- 5
- Last 30 days
- 0
- Last 90 days
- 0
- Avg. interval
- ~33 days
- Most recent
- 5 Mar 2026
Should I use this version?
Suitable for new deployments
HashiCorp Vault 1.21 is currently supported (standard support).
Version comparison
Compact comparison against the nearest relevant release lines.
Sources
Where this information comes from.
Lifecycle sources
- Vault GitHub Releasesfirst party · high confidence
Official source: https://github.com/hashicorp/vault/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
- Vault GitHub Releasesfirst party · high confidence
Official source: https://github.com/hashicorp/vault/releases
Last verified 1 Sept 2026
Data coverage
Last checked = last successful upstream check. Latest source update = when upstream content last changed.
- Releases tracked
- 5
- 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