Developer Tools
Safeguard articles tagged "Developer Tools" — guides, analysis, and best practices for software supply chain and application security.
100 articles
Why does AES-GCM decryption fail with an authentication error?
A GCM auth failure means the tag did not verify: wrong key, IV, tag or associated data, or changed bytes. A debugging checklist and why not to bypass it.
Why does a strict CSP break a checkout widget that uses eval?
A CSP with script-src or default-src blocks eval and similar calls. See why widgets break, the unsafe-eval trade-off and safer ways to fix it.
Why does a CVE record list the same reference twice?
Since 31 July 2024, CVE records can hold references in a CNA container and a CVE Program container. Here is why duplicates appear and how to merge them.
Why does a closed dependency update pull request keep coming back?
Closing a bot's update pull request does not always dismiss it. Learn why some tools recreate it, which closes stick, and how to stop the loop.
Why do update bot pull requests keep getting rebased and rerunning CI?
Constant rebases of bot pull requests burn CI minutes. Learn what triggers them, what the rebase setting controls, and how to cut the churn safely.
Why do developers ignore security alerts, and what fixes it?
Developers ignore security alerts when most are wrong, late, or unowned. Five causes and the concrete change that fixes each one in your tooling.
Why do CI jobs hit pull rate limits when each job pulls once?
Many runners share one egress IP, so anonymous registry pulls add up fast. Learn how limits are counted and three fixes for CI at scale today.
Why did my Jira webhook stop firing? A troubleshooting checklist
Jira webhooks can stop for known reasons: dynamic webhook expiry, throttling after failures, bad endpoints and filter gaps. A step by step check.
Why did Dependabot alert on a dependency I did not change?
GitHub alerts when a new advisory is added to its database, not only when your code changes. Your old dependency became known as vulnerable.
Why did deleting container images not free any registry space?
Shared layers, untagging and delayed reclamation explain why space does not drop right away. What to check and how long to wait before you worry.
Why can't you use secrets in an if condition in GitHub Actions?
GitHub Actions does not allow the secrets context in if conditions. Here is why, the supported workaround, and the mistakes to avoid when gating steps.
Why does AWS advise against layers for Go and Rust Lambda functions?
AWS recommends compiling dependencies into the Go or Rust binary instead of using layers. Here is the cold start reason and what it means for patching.
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