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hermes-studio CVE-2026-67918

| EUVDEUVD-2026-60553 HIGH
Path Traversal (CWE-22)
2026-08-17 mitre GHSA-5f28-xj73-vm62
7.5
CVSS 3.1 · Vendor: mitre
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Severity by source

Vendor (mitre) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.5 HIGH

Network-accessible unauthenticated path traversal yields arbitrary file read only; no integrity or availability impact applies, consistent with a pure disclosure flaw.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Aug 18, 2026 - 16:26 vuln.today
CVSS changed
Aug 18, 2026 - 16:22 NVD
7.5 (HIGH)
CVE Published
Aug 17, 2026 - 00:00 cve.org
HIGH 7.5
CVE Published
Aug 17, 2026 - 00:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Directory Traversal vulnerability in hermes-studio v.0.6.26 allows a remote attacker to obtain sensitive information via the validatePath function in api/hermes/download endpoint

AnalysisAI

Unauthenticated directory traversal in hermes-studio v.0.6.26 exposes arbitrary server-side files through the api/hermes/download endpoint, where the validatePath function fails to adequately restrict path sequences supplied by the caller. The flaw (CWE-22) enables a remote attacker with no credentials to retrieve sensitive files - including configuration files, credentials, and OS artifacts - bounded only by the filesystem permissions of the server process. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation No special authentication is required - the CVSS vector PR:N confirms unauthenticated remote exploitation against any network-accessible hermes-studio v.0.6.26 instance. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.5 High score is mechanically justified - AV:N, AC:L, PR:N, UI:N describes a frictionless, network-accessible, unauthenticated read primitive, and C:H captures the potential for full filesystem disclosure within process permissions. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch or confirmed fixed version has been identified from available data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, restrict network access to the api/hermes/download endpoint via firewall rules or disable it entirely if not critical to business operations; deploy WAF rules to block directory traversal patterns (../, \..\, etc.); enable audit logging and review access logs for suspicious activity. …

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CVE-2026-67918 vulnerability details – vuln.today

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