Host credential exposure via traversal in volume mounts
Published Sep 13, 2026 · Updated Sep 13, 2026
Path traversal in Zettlab D6 Ultra before 1.7.0 allows attackers to expose host credential files through a crafted compose file. The container deployment logic accepts ../ segments in a volume source and resolves them outside the permitted storage tree, allowing /etc to be mounted read-write at an attacker-chosen container path. Published evidence does not specify the access level needed to submit a compose file; successful use exposes passwd and shadow and permits modification through the writable mount.
Summary
What happened
Path traversal in Zettlab D6 Ultra before 1.7.0 allows attackers to expose host credential files through a crafted compose file. The container deployment logic accepts ../ segments in a volume source and resolves them outside the permitted storage tree, allowing /etc to be mounted read-write at an attacker-chosen container path. Published evidence does not specify the access level needed to submit a compose file; successful use exposes passwd and shadow and permits modification through the writable mount.
The record
- CVE
- CVE-2025-70819
- Published
- Sep 13, 2026
- Updated
- Sep 13, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- T1610, T1611
- Attack vector
- Unavailable
- Privileges
- Unavailable
Timeline
How it unfolded
- Sep 13, 2026CVE publishedPublication date reported by the CVE source.
- Sep 13, 2026Record updatedLatest update available in the CVE record.
Exploitability
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What is affected?
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Published CVSS scores
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Attacks
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Technologies
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Your stack
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