Path traversal in Cloud Commander lets attackers read files
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-23 and the CVSS impact.
Summary
Cloud Commander (cloudcmd) versions from 19.20.2 before 19.21.2 contain a path traversal flaw in the GET /api/v1/pack endpoint. The onGET handler calls root() without the validation wrapper used elsewhere, so percent-encoded traversal sequences in the request path are not blocked (CWE-23). An unauthenticated remote attacker can read arbitrary files outside the configured root directory, such as /etc/passwd, which are returned as a downloadable tar.gz archive.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Cloud Commander (cloudcmd) versions 19.20.2 through 19.21.1 contains a path traversal vulnerability in the GET /api/v1/pack endpoint where the onGET handler at server/rest/index.js:130 calls the unguarded root() function instead of the root.resolve() validation wrapper used elsewhere. Attackers can send percent-encoded directory traversal sequences in the pack request path to read arbitrary files outside the configured --root directory, such as /etc/passwd or SSH private keys, which are archived and streamed back as a downloadable tar.gz file.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| coderaiser | cloudcmd | 19.20.2 to before 19.21.2 | 19.21.2 | Patch available | CNA |
- cloudcmd Vendorcoderaiser Affected 19.20.2 to before 19.21.2 Fixed in 19.21.2 Patch available CNA
Remediation
Update cloudcmd from coderaiser to version 19.21.2, which contains the fix.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA cloudcmd (coderaiser) Fixed in 19.21.2
Timeline
- 2026-10-14 Threatist record created from CVE-2026-110690
- 2026-10-14 Alias added: GHSA-3rxx-xp85-4r8j
- 2026-10-16 Priority changed: MEDIUM → LOW
- 2026-10-26 CISA SSVC decision points changed
- 2026-10-26 Priority changed: LOW → MEDIUM
References
More coderaiser vulnerabilities
- TI-2026-56854 Cloud Commander before 19.20.2 Directory Traversal via REST and Markdown CVSS 4.0CRITICAL 9.3
Sources
- CVE-2026-110690 · CVE Program
- CVE-2026-110690 · NVD
- FIRST EPSS
- GHSA-3rxx-xp85-4r8j · GitHub Advisory Database · CC BY 4.0
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