Path Traversal in compliance-trestle (CVE-2026-46345)
Summary
Path traversal in compliance-trestle (CVE-2026-46345). Successful exploitation can lead to full system takeover. Exploitable via trestle. Mitigation: upgrade to 3.12.2 or later.
Original description
The description as published by the source.
Relevant Products/Components:
trestle/core/commands/author/jinja.pytrestle author jinja
Detailed Description:
The -o/--output argument in trestle author jinja allows writing files outside the intended workspace.
The application does not properly validate:
../..\- absolute paths
This allows arbitrary file write to attacker-controlled locations.
Vulnerable code:
output_file = trestle_root / r_output_file
An attacker can overwrite files such as:
.github/workflows/*.yml.git/hooks/*- user writable config files
This can lead to CI/CD compromise or local code execution.
Steps To Reproduce:
- Clone the repository:
git clone https://github.com/oscal-compass/compliance-trestle.git
cd compliance-trestle
- Create template:
echo "hello" > template.j2
- Run:
trestle author jinja -i template.j2 -o "subdir\..\..\..\..\..\poc.txt"
- Observe:
dir E:\poc.txt
The file is written outside the repository workspace.
Browsers Verified In:
Not browser related.
Tested on:
- Windows 11
- Python 3.13
Supporting Material/References:
Affected file:
trestle/core/commands/author/jinja.py
Successfully verified:
- directory traversal using
../ - Windows traversal using
..\ - arbitrary file write outside workspace
Access Vector Required for Exploitation:
Local
Vulnerability Exists in Default Configurati…
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-46345 has been found in compliance-trestle.
Attackers can target a specific entry point like trestle over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: 8.4/10.
What to do: upgrade compliance-trestle to 3.12.2 or later.
If unsure, ask your IT team or search "compliance-trestle CVE-2026-46345" on the vendor's site.
CVE-2026-46345 (compliance-trestle) — CWE-22 / CVSS v3 8.4
Attack vector: local / unauthenticated / no user interaction
Attack surface: trestle
Patched: 3.12.2 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Path traversal (CWE-22) exists in compliance-trestle. Attackers reach the vulnerable code path via trestle without authentication.
Check the vendor advisory for the affected versions of compliance-trestle. Attack surface: trestle.
Severity: High (CVSS 8.4/10). Successful exploitation can lead to full system takeover.
Update to 3.12.2.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'compliance-trestle' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'compliance-trestle' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
compliance-trestleを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade compliance-trestle to 3.12.2ステージング環境で 3.12.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- package github.com
- web github.com
- web github.com
- web github.com
- web github.com
- web github.com