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CVE-2026-95518: TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer Security Vulnerability

CVE-2026-95518 explained: high Security Vulnerability in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer. CVSS 7. Affected versions

Last updated: Nov 13, 2026

CVSS
7 HIGH
EPSS
n/a
CISA KEV
Not listed
CWE
CWE-367

Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS

CVE-2026-95518 Overview

Time-of-check time-of-use (TOCTOU) race condition vulnerability in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue affects Pardus Package Installer: from 0.7.0 before 0.7.1.

Critical Impact

Local or adjacent, unauthenticated attackers who persuade a user to act can exploit this Security Vulnerability in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer. The CVSS base score is 7 (High).

Affected Products

  • TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer: see the vendor advisory for the exact affected versions

Discovery Timeline

  • 2026-11-13: CVE-2026-95518 published to the National Vulnerability Database by iletisim@usom.gov.tr
  • 2026-11-13: last updated in the NVD database

Technical Details for CVE-2026-95518

Vulnerability Analysis

CVE-2026-95518 is a Security Vulnerability weakness (CWE-367) in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer. Based on its CVSS vector, the flaw needs local or adjacent access, needs no login, and relies on a user taking an action.

With a CVSS base score of 7, apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Root Cause

The vendor description states: Time-of-check time-of-use (TOCTOU) race condition vulnerability in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue affects Pardus Package Installer: from 0.7.0 before 0.7.1.

Attack Vector

Based on the CVSS vector, the flaw needs local or adjacent access, needs no login, and relies on a user taking an action. Attack complexity is high complexity.

No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Detection Methods for CVE-2026-95518

Detection Strategies

  • Inventory every instance of TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer and compare the running version with the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Run an authenticated vulnerability scan once your scanner ships a check for this CVE.

Monitoring Recommendations

  • Forward TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer application, access and audit logs to your SIEM for retrospective hunting.
  • Alert on new processes, configuration changes or outbound connections from the affected service.
  • Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.

How to Mitigate CVE-2026-95518

Immediate Actions Required

  • Apply the fixed version of TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer named in the vendor advisory.
  • Prioritize internet facing and business critical instances first.
  • Rescan after the change to confirm the exposure is closed.

Patch Information

Use the fixed version listed in the vendor advisory for TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer.

Workarounds

  • If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.

CWE References

Technical References

This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.

Frequently asked questions

CVE-2026-95518 is a high severity Security Vulnerability in TÜBİTAK BİLGEM Yazılım Teknolojileri Araştırma Enstitüsü Pardus Package Installer with a CVSS score of 7. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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