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Pardus My Computer CVE-2026-6849

| EUVDEUVD-2026-26249 HIGH
OS Command Injection (CWE-78)
2026-04-29 TR-CERT
8.8
CVSS 3.1 · Vendor: TR-CERT
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Craft filename/path with shell metacharacters
  2. Delivery
    Deliver malicious file to Pardus user
  3. Exploit
    Victim opens item in My Computer
  4. Execution
    Injected command reaches shell
  5. Impact
    Execute arbitrary OS commands as user

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires user interaction (CVSS UI:R): a victim running the affected Pardus OS My Computer component (<=0.7.5) must open or act on attacker-controlled input containing OS-command metacharacters - such as a maliciously named file, path, archive entry, mount point, or URI processed by the file manager. No authentication is required against the target (PR:N), and attack complexity is low (AC:L). Limiting factors: the mandatory user action, the need for the vulnerable component/version to be present and used, and that impact is bounded by the privileges of the file-manager process rather than automatic root. The AV:N rating suggests remote delivery of the malicious content, but the exploit only fires upon local user interaction with it.

Impact

Signals are mixed and point to a genuine-but-not-urgent priority. The CVSS 3.1 base is 8.8 (High) driven by AV:N/AC:L/PR:N with total C/I/A impact, but exploitation is gated by UI:R (a user must open or act on the malicious input). CISA's SSVC frames it as Exploitation: none, Automatable: no, Technical Impact: total - consistent with full compromise per successful attack but no observed or scalable exploitation. EPSS is low (0.10%, 28th percentile) and there is no KEV listing and no known POC, so real-world exploitation likelihood is currently low. Note a plausible inconsistency: AV:N implies network delivery, but a desktop file-manager command-injection more realistically depends on the victim locally opening a crafted file/archive/link, so the effective vector may be closer to local-with-social-engineering - verify delivery path with the vendor advisory.

Exploit ScenarioDerived

An attacker crafts a file, filename, archive entry, or path/URI containing shell metacharacters and delivers it to a Pardus user (e.g., via download, email, or a removable/mounted volume). When the victim opens or otherwise interacts with the item in "My Computer," the embedded command is passed to a shell and executed with the user's privileges, giving the attacker code execution. No public POC has been identified, and success depends on the required user interaction (UI:R).

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 24, 2026

OS command injection in Pardus OS "My Computer" (versions up to and including 0.7.5, fixed in 0.8.0) lets an attacker execute arbitrary operating-system commands when a victim interacts with attacker-controlled input, inheriting the privileges of the file-manager process. Reported by Turkey's national CERT (TR-CERT) with a vendor patch available; there is no public exploit identified at time of analysis and EPSS exploitation probability is low (0.10%).

RemediationAI

Vendor-released patch: upgrade Pardus OS My Computer to version 0.8.0 or later, which addresses the command injection; all builds up to and including 0.7.5 are affected. Apply via the Pardus package repositories/system updates and consult the TR-CERT advisory at https://www.usom.gov.tr/bildirim/tr-26-0131 (mirror: https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0131). Until 0.8.0 can be deployed, reduce exposure by not opening untrusted files, archives, network shares, or links through the My Computer component and by restricting which untrusted file types reach it; because the trigger is user interaction, security-awareness guidance to avoid untrusted content is a meaningful interim control, though it does not eliminate the underlying flaw and should not be treated as a substitute for the patch.

Affected VersionsENISA

Pardus OS My Computer ≤0.7.5 <0.8.0

Affected Packages

euvd pardus_os_my_computer_0_7_5 fix: 0.8.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Pardus is a Debian-based Linux distribution developed by TÜBİTAK BİLGEM, and "My Computer" is its bundled file-manager/system component (CPE cpe:2.3:a:tubitak_bilgem_software_technologies_research_institute:pardus_os_my_computer). The flaw is CWE-78 (improper neutralization of special elements used in an OS command), meaning user- or file-supplied data is passed into a shell/command interpreter without sanitizing metacharacters (e.g., ; | & $() backticks), so injected elements are executed as additional OS commands. Root cause is typically a component invoking a shell to act on filenames, paths, mount points, or device/URI handlers rather than using argument-safe process execution.

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Severity by source

Vendor (TR-CERT) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Malicious content can be delivered remotely (AV:N) but requires the victim to open it (UI:R); no auth needed (PR:N) and command injection yields full user-context compromise (C/I/A:H).

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

Primary rating from Vendor (TR-CERT).

CVSS VectorVendor: TR-CERT

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

Lifecycle Timeline

3
Patch released
Apr 29, 2026 - 21:13 nvd
Patch available
Patch available
Apr 29, 2026 - 17:01 EUVD
CVE Published
Apr 29, 2026 - 14:42 nvd
HIGH 8.8

DescriptionCVE.org

Improper neutralization of special elements used in an OS command ('OS command injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus OS My Computer allows OS Command Injection.

This issue affects Pardus OS My Computer: from <=0.7.5 before 0.8.0.

Executive ViewAI

Why It Matters

Pardus OS 'My Computer' file manager (versions up to 0.7.5) contains a high-severity command injection flaw (CVE-2026-6849, CVSS 8.8) permitting arbitrary operating-system command execution when end-users interact with attacker-supplied files. Compromised systems inherit the file-manager process privileges, potentially exposing sensitive data and system integrity to unauthorized access. A vendor-released patch (version 0.8.0) and low exploit probability (0.1% EPSS) mean rapid deployment will substantially reduce organizational risk.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.1%
Top 72% exploitable
Prevalence
Low
Bundled with Pardus, a niche Turkey-specific Linux distribution
Social Media
2
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

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