What is the CVSS score of CVE-2025-65239?

CVE-2025-65239 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Opencode are affected by CVE-2025-65239?

CVE-2025-65239 presents moderate security risk, a improper access control vulnerability rated CVSS 4.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-65239?

Yes, a public proof-of-concept exploit is available for CVE-2025-65239. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-65239?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Opencode CVE-2025-65239

MEDIUM

Improper Access Control (CWE-284)

2025-11-26 cve@mitre.org

Authentication Bypass Opencode Ussd Gateway

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:24 vuln.today

PoC Detected

Dec 30, 2025 - 15:57 vuln.today

Public exploit code

CVE Published

Nov 26, 2025 - 17:15 nvd

MEDIUM 4.3

DescriptionCVE.org

Incorrect access control in the /aux1/ocussd/trace endpoint of OpenCode Systems USSD Gateway OC Release:5, version 6.13.11 allows attackers with low-level privileges to read server logs.

AnalysisAI

Incorrect access control in the /aux1/ocussd/trace endpoint of OpenCode Systems USSD Gateway OC Release:5, version 6.13.11 allows attackers with low-level privileges to read server logs. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Incorrect access control in the /aux1/ocussd/trace endpoint of OpenCode Systems USSD Gateway OC Release:5, version 6.13.11 allows attackers with low-level privileges to read server logs. Affected products include: Opencode Ussd Gateway. Version information: version 6.13.11.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.