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CVE-2026-41179
critical
CVSS 9.8
OS Command Injection in github.com/rclone/rclone (CVE-2026-41179)
Summary
OS command injection in github.com/rclone/rclone (CVE-2026-41179). Successful exploitation can lead to full system takeover. Exploitable via ``bearer_token_command``. Mitigation: upgrade to `1.73.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-41179** has been found in github.com/rclone/rclone.
Attackers can target a specific entry point like ``bearer_token_command`` over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: upgrade github.com/rclone/rclone to **1.73.5** or later.
If unsure, ask your IT team or search "github.com/rclone/rclone CVE-2026-41179" on the vendor's site.
CVE-2026-41179 (github.com/rclone/rclone) — CWE-78 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `bearer_token_command` / `master` / `bf55d5e6d37fd86164a87782191f9e1ffcaafa82`
Patched: `1.73.5` — 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.
❓ What is the problem
**OS command injection** (CWE-78) exists in github.com/rclone/rclone. Attackers reach the vulnerable code path via ``bearer_token_command`` without authentication.
📍 Affected scope
github.com/rclone/rclone — . Attack surface: `bearer_token_command` / `master` / `bf55d5e6d37fd86164a87782191f9e1ffcaafa82`.
🔥 Severity
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **1.73.5**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'github.com/rclone/rclone' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'github.com/rclone/rclone' . | 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 `github.com/rclone/rclone` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade github.com/rclone/rclone to 1.73.5ステージング環境で 1.73.5 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と、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
go
github.com/rclone/rclone
[{"type":"SEMVER","events":[{"introduced":"1.48.0"},{"fixed":"1.73.5"}]}]
Bitnami
rclone
[{"type":"SEMVER","events":[{"introduced":"1.48.0"},{"fixed":"1.73.5"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-41179
- exploit 134c704f-9b21-4f2e-91b3-4a467353bcc0
- package https://github.com/rclone/rclone
- web [email protected]
- web [email protected]
- web [email protected]
- web [email protected]
- web [email protected]
- web [email protected]
- web https://github.com/advisories/GHSA-jfwf-28xr-xw6q
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- web 0b0ca135-0b70-47e7-9f44-1890c2a1c46c