adding-project-secret-api-key-auth
How to gate a PostHog API endpoint with project secret API key (PSAK) auth — a project-scoped, user-less service credential. Use when adding PSAK support to a viewset action, allowing a new scope for PSAKs, handling synthetic users (ProjectSecretAPIKeyUser), or choosing PSAK-aware rate throttles. Trigger terms: PSAK, ProjectSecretAPIKey, project secret API key, phs_ token, service auth, programmatic endpoint auth.
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Security
1 high severity finding. You should review these findings carefully before considering using this skill.
W007: Insecure credential handling detected in skill instructions.
What this means
The skill handles credentials insecurely by requiring the agent to include secret values verbatim in its generated output. This exposes credentials in the agent’s context and conversation history, creating a risk of data exfiltration.
Why it was flagged
The document includes an explicit curl example that embeds a project secret API key in an Authorization header (and notes the plaintext value is returned once), which encourages emitting secret values verbatim in commands/output and thus creates an exfiltration risk.
- Repository
- PostHog/posthog
- Commit
22b655e
- Audited
- Security analysis
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