CVE-2026-35254 Oracle Corporation CVE debrief

Who should care

Defenders responsible for OCI CLI deployments, particularly those using version 3.77, should assess potential exposure and implement compensating controls. This includes verifying OCI CLI version 3.77 deployments, assessing potential directory traversal risks, and implementing compensating controls for directory access. Additionally, defenders should prioritize reviewing the supplied official advisory or CVE record to validate affected scope, severity, and

Why it matters

CVE-2026-35254 is a medium-severity vulnerability in Oracle OCI CLI version 3.77, allowing unauthenticated attackers to compromise the CLI and place imported files outside the intended directory. Defenders should prioritize verifying OCI CLI version 3.77 deployments and assessing potential directory traversal risks.

• Potential directory traversal attacks
• Unauthenticated access to OCI CLI
• Risk of unintended file placement

Technical summary

The Oracle OCI CLI product of Oracle Open Source Projects is vulnerable to a directory traversal attack in version 3.77. An unauthenticated attacker with network access can compromise Oracle OCI CLI, allowing users to place imported files outside the intended directory. This vulnerability is easily exploitable and has a medium severity with a CVSS score of 6.1. The vulnerability allows users to place imported files outside the intended directory, which can lead to potential directory traversal attacks and unauthenticated access to OCI CLI.

Defensive priority

Defenders should prioritize verifying OCI CLI version 3.77 deployments and assessing potential directory traversal risks.

Recommended defensive actions

• Verify OCI CLI version 3.77 deployments
• Assess potential directory traversal risks
• Implement compensating controls for directory access
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in Oracle OCI CLI version 3.77, allowing unauthenticated attackers to place imported files outside the intended directory. The vulnerability is easily exploitable and allows users to place imported files outside the intended directory. The CVE record was published on 2026-05-06T08:16:03.697Z and has not been modified since then. The NVD entry provides additional information on the vulnerability, including its severity and potential impacts.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.