[CVE-2026-54428] Bump httpclient5 to 5.6.2 - #462
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Jan-Kazlouski-elastic merged 1 commit intoAug 4, 2026
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Pulls httpcore5/httpcore5-h2 5.4.3, clearing High CVE-2026-54428 and CVE-2026-54399 (HTTP resource exhaustion). Also retains the CVE-2025-8671 fix. Part of elastic/security#13046 Co-authored-by: Cursor <cursoragent@cursor.com>
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### Closes #465 Same failure mode as [elastic/connectors#4289](elastic/connectors#4289). The repository's default `GITHUB_TOKEN` permission is now read-only: ```text $ gh api repos/elastic/crawler/actions/permissions/workflow {"default_workflow_permissions":"read","can_approve_pull_request_reviews":true} ``` Neither workflow in `.github/workflows/` declared a `permissions:` block, so they inherit that default. After merging #462, backport failed with: 1. `Permission to elastic/crawler.git denied to github-actions[bot]` on `git push` of the backport branch (`contents: write` missing) 2. `Resource not accessible by integration` when posting the failure comment on the source PR (`pull-requests: write` missing) This declares the scopes each workflow actually needs (least privilege), overriding the read-only default without flipping the repository setting back to read/write for everything. | Workflow | Scopes | Why | |----------|--------|-----| | `add-labels-main.yml` | `contents: read`, `pull-requests: write` | checkout reads `product_version`; action labels the PR | | `backport.yml` | `contents: write`, `pull-requests: write` | pushes cherry-pick branches, opens backport PRs, comments status on the source PR | `backport.yml`'s `approver_token` (`REPO_SCOPED_TOKEN`) is unaffected by the `GITHUB_TOKEN` default. ### Note on verifying this PR `pull_request_target` always runs the workflow from the **base** branch, so backport/add-labels will still use `main`'s copy (without permissions) while this PR is open. The fix takes effect only after merge. After merge, re-trigger backport for any PRs that failed (e.g. #462) by re-adding the `auto-backport` label, or run the manual command from the failure comment. ### Checklists #### Pre-Review Checklist - [x] This PR does NOT contain credentials of any kind - [x] This PR has a meaningful title - [x] This PR links to all relevant GitHub issues - [x] this PR has a thorough description - [ ] Covered the changes with automated tests (no workflow YAML test harness) - [x] Tested the changes locally (YAML structure + permissions blocks verified) - [x] Added a label for each target release version - [ ] Considered corresponding documentation changes Deliberately **not** labelled `auto-backport`: both workflows are gated on `branches: main`, so copies on maintenance branches never run. #### Changes Requiring Extra Attention - [x] Security-related changes — both workflows use `pull_request_target`. Grants are safe: neither checks out or executes PR head code. `add-labels-main.yml` checks out the base ref and only reads `product_version`. `backport.yml` checks out a pinned external actions repo and only runs after merge into `main`. ### Release Note No user-facing change; CI configuration only. Made with [Cursor](https://cursor.com) --------- Co-authored-by: Cursor <cursoragent@cursor.com>
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Backports the following commits to 1.0: - [CVE-2026-54428] Bump httpclient5 to 5.6.2 (#462) Co-authored-by: Jan-Kazlouski-elastic <jan.kazlouski@elastic.co> Co-authored-by: Cursor <cursoragent@cursor.com>
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Part of https://github.com/elastic/security/issues/13046
Also covers:
Resolves CVE-2026-54428 (high) — HTTP/2 HPACK decoder resource exhaustion in httpcore5-h2. Bumping
httpclient5to 5.6.2 pullshttpcore5/httpcore5-h25.4.3, which also clears CVE-2026-54399.Changes
Jarfile/Jars.lock/vendor/jars/:httpclient55.5.1→5.6.2;httpcore5/httpcore5-h25.3.6→5.4.3Testing
make test: 690 examples, 0 failuresScanner A/B (
CVE-2026-54428/CVE-2026-54399)Made with Cursor