Cloud Commander before 19.20.2 contains a directory traversal vulnerability in REST file-operation and markdown endpoints that fails to properly validate path normalization. Attackers can use path traversal sequences to read, write, move, or copy files outside the configured root directory.
CVE-2026-82460
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-29. a secondary CVSS source baseline 9.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
August 29, 2026
Last Modified
August 29, 2026
Advisory Details (6)
Auto-updated Aug 29, 2026Cloud Commander before 19.20.2 Directory Traversal via REST and Markdown | Advisories | VulnCheck
https://www.vulncheck.com/advisories/cloud-commander-before-19.20.2-directory-traversal-via-rest-and-markdowncloudcmd v19.20.2
Patch available: coderaiser/cloudcmd v19.20.2
https://github.com/coderaiser/cloudcmd/releases/tag/v19.20.2--root traversal escape, REST write + markdown read (incomplete fix) · Issue #474 · coderaiser/cloudcmd · GitHub
https://github.com/coderaiser/cloudcmd/issues/474commit b9bdc9ed5283 (coderaiser/cloudcmd)
Patch available: coderaiser/cloudcmd v19.20.2 (contains commit b9bdc9ed5283)
https://github.com/coderaiser/cloudcmd/commit/b9bdc9ed528350eeb2f9ef974c18998096fae919cloudcmd/server/root.js at v19.20.1 · coderaiser/cloudcmd · GitHub
https://github.com/coderaiser/cloudcmd/blob/v19.20.1/server/root.jsGitHub - coderaiser/cloudcmd: ✨☁️📁✨ Cloud Commander file manager for the web with console and editor. · GitHub
https://github.com/coderaiser/cloudcmdVendor Advisories for CVE-2026-82460(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 7× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-30 04:53 UTCGHSA enrichment
- 2026-08-30 01:05 UTCGHSA enrichment
- 2026-08-29 21:18 UTCEG score recompute
- 2026-08-29 21:18 UTCGHSA enrichment
- 2026-08-29 17:29 UTCEG score recompute
- 2026-08-29 16:42 UTCEG score recompute
- 2026-08-29 16:37 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-82460?
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What is the CVSS score of CVE-2026-82460?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-82460
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