External Secrets Operator
A Kubernetes operator that automatically synchronizes secrets from external API services into your cluster
- Also known as
- external-secrets-operator
What is External Secrets Operator?
External Secrets Operator integrates Kubernetes with third-party secret management services like AWS Secrets Manager, HashiCorp Vault, and others, automatically fetching and injecting secret values into native Kubernetes Secrets.
External Secrets Operator pricing
We don't have External Secrets Operator's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What External Secrets Operator does
The capabilities that matter for secrets management tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Tool type
- Sync / injection
- Dynamic (short-lived) secrets
- -
- Hosting
- Cloud + self-hosted
- Automatic secret rotation
- ✓
- Encryption as a service (transit)
- -
- FIPS 140-2/3 validated crypto
- -
- HSM support
- -
- Fine-grained / identity-based policy
- ✓
- Audit logging
- -
- Kubernetes native (CRD / CSI / K8s auth)
- ✓
- PKI / certificate authority
- -
- Open-source core
- ✓
- CNCF maturity
- -
Platform & deployment
Independently observed- CLI
- Cloud / SaaS
- On-premise
- Self-hosted
Integrations (19)
Independently observed- AWS Secrets Manager
- HashiCorp Vault
- Google Secrets Manager
- Azure Key Vault
- IBM Cloud Secrets Manager
- Akeyless
- CyberArk Secrets Manager
- Pulumi ESC
- 1Password
- GitHub
- Google Secret Manager
- Yandex Lockbox
- Conjur
- SecretServer
- BeyondTrust
- OpenBao
- ngrok
- Infisical
- VolcEngine
Security & compliance
Known vulnerabilities: 5 (3 in the last 12 months), max severity CRITICAL sourcea count reflects scale & disclosure, not quality
External Secrets Operator FAQ
Common questions about External Secrets Operator, answered from independent, dated evidence.
What is External Secrets Operator?
External Secrets Operator integrates Kubernetes with third-party secret management services like AWS Secrets Manager, HashiCorp Vault, and others, automatically fetching and injecting secret values into native Kubernetes Secrets. It is indexed under Secrets Management Tools.
Source: https://external-secrets.io/
Is External Secrets Operator free to use?
External Secrets Operator is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://external-secrets.io/
What platforms does External Secrets Operator support?
External Secrets Operator supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://external-secrets.io/
Can External Secrets Operator be self-hosted?
Yes. External Secrets Operator can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://external-secrets.io/
What does External Secrets Operator integrate with?
We have confirmed 8 integrations for External Secrets Operator, including AWS Secrets Manager, HashiCorp Vault, Google Secrets Manager, Azure Key Vault, IBM Cloud Secrets Manager, Akeyless, CyberArk Secrets Manager and Pulumi ESC. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://external-secrets.io/
Is External Secrets Operator open source?
Yes. External Secrets Operator is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/external-secrets/external-secrets
External Secrets Operator alternatives
Other secrets management tools we track, ranked by the same independent score.
- AWS Secrets ManagerCentrally store, encrypt, and manage application secrets with automatic rotationmedium · 73%
- DopplerCentral platform for managing and distributing secrets and credentials across cloud-based infrastructuremedium · 72%
- HashiCorp VaultA centralized platform for managing secrets, encryption operations, and access control across systemshigh · 75%
- InfisicalCentralized platform for managing secrets, certificates, and access credentials across infrastructuremedium · 68%
- AkeylessSecure identity and secret management for machines, AI agents, and human usersmedium · 73%
- OpenBaoAn open-source platform for storing and managing sensitive data and secretslow · 41%
Compare External Secrets Operator
Side by side against other secrets management tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for External Secrets Operator, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 56 | 0.09 | 5.3 | ✓ |
| Release cadence | 99 | 0.05 | 5.2 | ✓ |
| Capabilities | 67 | 0.06 | 4.2 | ✓ |
| Security score | 81 | 0.04 | 3.4 | ✓ |
| Integrations | 35 | 0.06 | 2.2 | ✓ |
| Stars | 72 | 0.03 | 1.9 | ✓ |
| Dependent projects | 13 | 0.06 | 0.8 | ✓ |
| Security posture | 0 | 0.21 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 60 | mediumsource · 2026-09-10 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Hosting: both · Tool type: sync_inject · Secret rotation: Yes · Open source core: Yes · Kubernetes native: Yes · Fine grained policy: Yes | mediumsource · 2026-09-14 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 15 | mediumsource · 2026-09-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Go | highsource · 2026-09-10 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-09-10 · 95% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Scorecard | 8.1 | highsource · 2026-09-10 · 90% |
| Vulnerabilities | Count: 5 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fexternal-secrets%2Fexternal-secrets&per_page=100 · Last 12m: 3 · Max severity: CRITICAL | highsource · 2026-08-26 · 90% |
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