CVE-2026-11765 TUBITAK BILGEM Software Technologies Research Institute CVE debrief

Who should care

Defenders responsible for systems using Pardus Pen versions before 4.2.1 should assess potential exposure and impact, and consider upgrading to version 4.2.1 or later.

Why it matters

CVE-2026-11765 is an argument injection vulnerability in Pardus Pen, affecting versions before 4.2.1. Defenders should assess exposure and potential impact, and consider upgrading to version 4.2.1 or later.

• Potential for unauthorized command execution
• Need for verification of exposure and impact
• Possible data integrity issues
• Upgrade or patching may be required

Technical summary

The vulnerability is caused by improper neutralization of argument delimiters in a command, allowing for argument injection. This issue affects Pardus Pen versions before 4.2.1. The vulnerability has a CVSS score of 3.3 and is considered low severity. The CVE record and NVD entry provide limited information about the vulnerability, with the primary source being the CVE Program record and NIST NVD detail page.

Defensive priority

Defenders should prioritize verifying exposure and assessing potential impact, with a focus on systems using Pardus Pen versions before 4.2.1.

Recommended defensive actions

• Verify exposure by checking Pardus Pen versions and assessing potential impact
• Assess systems using Pardus Pen versions before 4.2.1
• Consider upgrading to Pardus Pen version 4.2.1 or later

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the primary source being the CVE Program record and NIST NVD detail page.

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.