Scan Overview
The weekly full security red team scan (Sunday, 2026-03-01) completed analysis of 459 files across actions/setup/js and actions/setup/sh using all 6 rotating techniques. 1 supply chain risk was identified requiring human review.
| Metric |
Value |
| Scan Mode |
Weekly Full (Sunday) |
| Technique |
full-comprehensive (all 6) |
| JS files scanned |
425 .cjs |
| SH files scanned |
34 .sh |
| Findings |
1 |
| Run |
§22545588649 |
Finding 1: Unpinned External Supply Chain Dependency
Severity: Medium-High
Category: SUPPLY_CHAIN_RISK
File: actions/setup/sh/start_serena_server.sh:24
Code
nohup env DEBUG="*" uvx --from git+https://github.com/oraios/serena serena start-mcp-server \
--transport streamable-http \
--port "\$\{GH_AW_SERENA_PORT}" \
--context copilot \
--project "\$\{GITHUB_WORKSPACE}" \
>> /tmp/gh-aw/serena/logs/server.log 2>&1 &
```
#### Risk Description
This line fetches and executes code **directly from the tip of the default branch** of an external repository (`oraios/serena`) at runtime, without pinning to a specific commit SHA or version tag. This creates a supply chain attack vector:
1. **No version pinning**: `git+https://github.com/oraios/serena` fetches the latest commit. Any compromise of that repo (malicious push, maintainer account takeover) would immediately execute arbitrary code on the next workflow run.
2. **Full environment access**: The spawned process has access to `GITHUB_WORKSPACE` and all environment variables in scope, which may include secrets injected by GitHub Actions.
3. **Background execution**: `nohup ... &` makes the process harder to monitor and kill.
4. **DEBUG="*" verbose logging**: All debug output (which could include secrets or sensitive data) is written to `/tmp/gh-aw/serena/logs/server.log`.
#### Forensics Analysis
| Field | Value |
|-------|-------|
| Commit | `5fa65dd` |
| Author | Copilot (`198982749+Copilot@users.noreply.github.com`) |
| Committer | GitHub |
| Date | 2026-03-01 05:17:11 -0800 |
| PR | #19035 — "Warn on malformed `#aw_*` references in body text" |
| File status | **Newly added** in this commit |
The file `start_serena_server.sh` was introduced for the first time in the most recent commit (`5fa65dd`) as part of PR #19035. The PR title is about malformed `#aw_*` references — the addition of this script is a side-effect change that may warrant additional review.
<details>
<summary><b>View Full git blame Output</b></summary>
```
5fa65dd15a71cec00f2d14c664467154d343d875 24 24 1
author Copilot
author-mail <198982749+Copilot@users.noreply.github.com>
author-time 1772371031
author-tz -0800
committer GitHub
committer-mail (noreply@github.com)
committer-time 1772371031
committer-tz -0800
summary Warn on malformed `#aw_*` references in body text (#19035)
boundary
filename actions/setup/sh/start_serena_server.sh
nohup env DEBUG="*" uvx --from git+https://github.com/oraios/serena serena start-mcp-server \
Remediation Tasks
@pelikhan Please review and act on the following:
All-Clear Items
View Passing Checks (Pattern Analysis)
| Check |
Status |
| Secret exfiltration patterns |
✅ None found |
| eval/exec with external input |
✅ Test files only (sandboxed) |
| Obfuscated code (base64/hex) |
✅ Only legitimate API encoding |
| Dangerous file ops with dynamic paths |
✅ All paths are controlled |
| Suspicious network domains |
✅ None found |
| Malicious keywords (backdoor, rootkit…) |
✅ None found |
| Hardcoded credentials |
✅ Only test fixtures (ghp_test_*) |
| curl/wget piped to shell |
✅ None found |
View Passing Checks (Network/Behavioral/Dependency)
| Check |
Status |
| Unapproved external URLs |
✅ All to github.com / localhost / 172.30.0.1 |
| Hardcoded IP addresses |
✅ Only internal gateway (172.30.0.1) |
| Time bomb patterns |
✅ None found |
| Persistence mechanisms |
✅ None found |
| Anti-debugging code |
✅ None found |
| Logic bombs |
✅ None found |
| Suspicious package.json deps |
✅ All legitimate packages |
| Dynamic require() / URL imports |
✅ None found |
| Path traversal in require() |
✅ None found |
| Long encoded strings (entropy) |
✅ None found |
References
Generated by Daily Security Red Team Agent
Scan Overview
The weekly full security red team scan (Sunday, 2026-03-01) completed analysis of 459 files across
actions/setup/jsandactions/setup/shusing all 6 rotating techniques. 1 supply chain risk was identified requiring human review..cjs.shFinding 1: Unpinned External Supply Chain Dependency
Severity: Medium-High
Category: SUPPLY_CHAIN_RISK
File:
actions/setup/sh/start_serena_server.sh:24Code
Remediation Tasks
@pelikhanPlease review and act on the following:Task 1: Verify that
github.com/oraios/serenais an intentionally chosen and trusted third-party dependencyoraiosorganization and repository are trusted for use in CI/CD workflowsTask 2: Pin to a specific version tag or commit SHA
git+https://github.com/oraios/serenawith a pinned reference such asgit+https://github.com/oraios/serena@v1.2.3or a specific commit SHAuvx --from git+https://github.com/oraios/serena@(SHA) serena start-mcp-serverTask 3: Assess whether the
DEBUG="*"environment variable is safe to use in CI/tmp/gh-aw/serena/logs/server.logdoes not expose secrets or tokensDEBUG="*"in production or scoping it to specific debug namespacesTask 4: Review PR Warn on malformed
#aw_*references in body text #19035 to confirm the addition ofstart_serena_server.shwas intentional#aw_*reference warnings)All-Clear Items
View Passing Checks (Pattern Analysis)
View Passing Checks (Network/Behavioral/Dependency)
References