Authenticated file disclosure via unrestricted absolute paths
Published Aug 17, 2026 · Updated Aug 18, 2026
Path traversal in Hermes Studio 0.6.26 allows remote authenticated users to read arbitrary server files through its download API. The endpoint passes absolute path values to validatePath(), which rejects dot-dot sequences but does not confine accepted paths to an allowed directory before reading them. A valid low-privilege account is required; exploitation discloses files readable by the server process without granting write access or causing a service interruption.
Summary
What happened
Path traversal in Hermes Studio 0.6.26 allows remote authenticated users to read arbitrary server files through its download API. The endpoint passes absolute path values to validatePath(), which rejects dot-dot sequences but does not confine accepted paths to an allowed directory before reading them. A valid low-privilege account is required; exploitation discloses files readable by the server process without granting write access or causing a service interruption.
The record
- CVE
- CVE-2026-67918
- Published
- Aug 17, 2026
- Updated
- Aug 18, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-22, T1005
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 17, 2026CVE publishedPublication date reported by the CVE source.
- Aug 18, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Hermes Studio Arbitrary File Read Exploitproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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