CVE-2026-5166
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Software Center allows Path Traversal. This issue affects Pardus Software Center: before 0.6.4.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceA path traversal vulnerability in the Pardus Software Center allows attackers to escape the intended directory restrictions and access arbitrary files on the system by manipulating file path inputs (e.g., using '../' sequences). The 9.6 CVSS score indicates this is likely remotely exploitable without authentication, potentially allowing complete system compromise through the software center's package management operations.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Pardus Software Center is installedRun command: dpkg -l | grep pardus-software-center or rpm -qa | grep pardus-software-center depending on package managerAffected if Package is not installed means not affected
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Determine installed versionRun: dpkg -s pardus-software-center 2>/dev/null | grep Version or rpm -qi pardus-software-center | grep VersionAffected if Version is below 0.6.4 (e.g., 0.6.3, 0.6.2, etc.)
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Confirm software center is enabled and accessibleCheck if the pardus-software-center service or GUI application is available to users: which pardus-software-center or ls /usr/bin/pardus-software-centerAffected if Software center is installed and accessible to users
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Check for recent file access via software centerReview system logs for package installation or file operations using the software center, looking for patterns with '../' sequences in paths: grep -r '\.\./' /var/log/* 2>/dev/null | grep -i softwareAffected if Logs show path traversal attempts or unusual file access through the software center
User is affected if Pardus Software Center is installed with a version prior to 0.6.4 and is accessible for use, as the path traversal flaw allows escaping directory restrictions through manipulated file path inputs.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedUpgrade Pardus Software Center to version 0.6.4 or later. Until upgrade is possible, restrict access to the software center and monitor for suspicious file access patterns.
0.6.4
- 1. Backup the current Pardus Software Center configuration and any custom settings
- 2. Update the system package repository metadata
- 3. Upgrade Pardus Software Center to version 0.6.4 or later using the system package manager (e.g., sudo apt update && sudo apt upgrade or equivalent Pardus package manager)
- 4. Verify the installed version is 0.6.4 or higher using the package manager or application info
- 5. Test the Software Center functionality to ensure the upgrade did not introduce regressions
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-5166 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-5166 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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