CVE-2026-6509
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 · uneditedMissing Authorization vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Update allows Privilege Escalation. This issue affects Pardus Update: from <=0.6.3 before 0.6.6.
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 · moderate confidenceMissing authorization check in Pardus Update allows local users to escalate privileges by bypassing the update mechanism's permission controls. The vulnerability exists in versions 0.6.3 and earlier, enabling a local attacker to perform privileged operations without proper authorization.
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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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 Update is installedCheck for the presence of Pardus Update on the system by searching for the package or binary (e.g., using package manager queries like 'dpkg -l | grep pardus' or 'rpm -qa | grep pardus', or locate the executable if known)Affected if Pardus Update is found and installed on the system
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Determine the installed version of Pardus UpdateQuery the installed package for its version number using the system's package manager or by inspecting version metadata (e.g., 'dpkg -s pardus-update' or 'rpm -qi pardus-update' or similar command depending on the distribution)Affected if The command returns a version number that can be extracted
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Compare installed version to affected rangeCompare the extracted version number to the affected range (versions 0.6.3 and earlier). Treat versions as numeric tuples and check if the installed version is less than or equal to 0.6.3Affected if The installed version is 0.6.3 or any earlier version (e.g., 0.6.2, 0.6.1, 0.6.0, etc.)
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Confirm update mechanism is accessible to local usersVerify that the Pardus Update functionality is accessible to local unprivileged users on the system (e.g., check file permissions on the update binary, service configuration, or sudo rules that allow users to run update-related commands without proper authorization)Affected if Local unprivileged users can invoke or access the update mechanism without elevated authorization
The system is affected if Pardus Update version 0.6.3 or earlier is installed AND local users can access the update mechanism without proper authorization checks being enforced.
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 Update to version 0.6.6 or later to receive the authorization fix. Prioritize patching on systems where untrusted local users have access.
0.6.6
- Upgrade Pardus Update to version 0.6.6 or later to address the missing authorization vulnerability
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-6509 — 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-2026-6509 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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