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Git permission denied publickey local versus production drift response
A Git local versus production drift note for permission denied publickey: authorization failure caused by missing role, stale owner, key mismatch, inherited deny, WAF policy, or object-level permission. It includes evidence, output examples, branches, and the smallest reliable fix.
grep -R "permission denied publickey" ./logsTreat permission denied publickey as a local versus production drift case. First collect evidence for runtime version, environment variables, file paths, locale, timezone, and permissions.
When this happens
Use this when it works locally but fails only on the deployed server. Do not stop at the screen message; validate runtime version, environment variables, file paths, locale, timezone, and permissions first.
Symptom checklist
- permission denied publickey appears repeatedly in the Git UI or logs.
- HEAD, upstream, rebase state, hooks, LFS differs between successful and failed requests.
- The issue appears only after separating local worktree issue from remote rejection.
- It often follows deploys, permission changes, configuration edits, or data refreshes.
Likely causes
- permission denied publickey specifically changes the investigation surface for Git: verify the exact failing object, route, user, and timestamp before applying the broader pattern.
- The actor lacks the permission required by the target object.
- Ownership or group membership changed after the data was created.
- A key, signature, role, or inherited policy is evaluated differently than expected.
- A deny policy or WAF rule overrides a later allow rule.
- The application reports a generic error while the authorization layer has the real reason.
- For the local versus production drift case, the first useful clue is runtime version, environment variables, file paths, locale, timezone, and permissions.
First 1-minute checks
- Write down the first failure time, latest change, affected user, path, and object ID.
- Compare HEAD, upstream, rebase state, hooks, LFS for success and failure in the same window.
- Test the hypothesis: authorization failure caused by missing role, stale owner, key mismatch, inherited deny, WAF policy, or object-level permission.
- Classify this as local versus production drift: runtime version, environment variables, file paths, locale, timezone, and permissions.
- Capture current values before changing configuration.
First evidence
Treat permission denied publickey as a local versus production drift case. First collect evidence for runtime version, environment variables, file paths, locale, timezone, and permissions.
Output examples
Normal output
Runtime, env values, paths, and permissions match the documented production baseline.Failing output
Production uses a different version, env var, path, locale, timezone, or user.Output-to-action branches
- It works locally but fails only on the deployed server.
Print effective runtime state from the failing process, not only from the login shell. - The working and failing outputs differ.
Act on the differing layer first: For permission denied publickey, apply the fix only after reproducing the same condition and saving the before/after evidence for this exact code. - Command output is normal but users still fail.
Separate browser cache, cookies, permissions, and network location before declaring it fixed.
Do not do this
- Do not trust CLI output if the web worker, service, or container runs as another user.
- Do not change multiple layers before identifying the failing layer.
- Do not delete production data, grant broad permissions, or disable security controls as a first response.
Evidence quality
Auto-generated operator draft: includes issue-specific causes, commands, output branches, and unsafe-action warnings. Official-source links and real incident validation are queued for enrichment.
Commands to run first
grep -R "permission denied publickey" ./logsgit status --short --branchgit log --oneline --decorate -5git remote -vgit ls-files -s | headgrep -R "permission\|denied\|forbidden\|AccessDenied\|403" ./logswhoamils -lassh -v [email protected]printenv | sort && pwd && idFix order
- Record the full permission denied publickey message, failing URL, user, object ID, and latest change.
- Collect issue-specific evidence for authorization failure caused by missing role, stale owner, key mismatch, inherited deny, WAF policy, or object-level permission.
- Compare the failing case with a successful case before editing settings.
- If this is the local versus production drift branch, Print effective runtime state from the failing process, not only from the login shell.
- Re-check with the same command and URL, then record the normal output.
Actions by cause
- For permission denied publickey, apply the fix only after reproducing the same condition and saving the before/after evidence for this exact code.
- Identify the actor, target object, action, and policy that denied the request.
- Restore ownership or grant the smallest required permission.
- Refresh keys, signatures, sessions, or role assumptions.
- Remove conflicting deny rules before adding broad allow rules.
- Verify using the affected account, not an administrator session.
- For the local versus production drift branch, Print effective runtime state from the failing process, not only from the login shell.
Evidence links
- Git documentation official
- GitHub authentication troubleshooting official
Verification metadata
- operator-draft
- official-reference-linked
- 2026-07-23
Update queue
- Review cadence
weekly-source-review - Next enrichment
Add one official-source check and one real output example for Git permission denied publickey.
Environment-specific checks
- Shared hosting, proxies, VPNs, or CDN layers can change local worktree issue from remote rejection results.
- Do not trust only the Git UI; compare command output.
- Japanese hosting panels may show completion before DNS or SSL fully propagates.
- Test from both office and external networks.
Prevent it next time
- Store normal examples for HEAD, upstream, rebase state, hooks, LFS.
- Add rebase/merge cleanup, upstream reset, LFS tracking, hook logs to the release checklist.
- Keep recurring errors in the same note format.
- Split alerts by error rate, latency, certificates, disk, and permission changes.