Pardus Update up to 0.6.5 missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4$0-$5k3.43+

Summaryinfo

A vulnerability was found in TUBITAK BILGEM Software Technologies Research Institute Pardus Update up to 0.6.5. It has been classified as very critical. Impacted is an unknown function. This manipulation causes missing authentication. This vulnerability is handled as CVE-2026-6509. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability classified as very critical was found in TUBITAK BILGEM Software Technologies Research Institute Pardus Update up to 0.6.5. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Missing 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.

The advisory is shared at siberguvenlik.gov.tr. This vulnerability is known as CVE-2026-6509 since 04/17/2026. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/05/2026).

Upgrading to version 0.6.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-41767). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: Pardus Update 0.6.6

Timelineinfo

04/17/2026 CVE reserved
07/05/2026 +79 days Advisory disclosed
07/05/2026 +0 days VulDB entry created
07/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Status: Confirmed

CVE: CVE-2026-6509 (🔒)
GCVE (CVE): GCVE-0-2026-6509
GCVE (VulDB): GCVE-100-376381
EUVD: 🔒

Entryinfo

Created: 07/05/2026 18:18
Updated: 07/05/2026 19:08
Changes: 07/05/2026 18:18 (52), 07/05/2026 19:08 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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