Joomla! Project Joomla! CMS up to 5.4.6/6.1.1 improper authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
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.
5.5$5k-$25k0.58+

Summaryinfo

A vulnerability, which was classified as critical, has been found in Joomla! Project Joomla! CMS up to 5.4.6/6.1.1. This impacts an unknown function. Performing a manipulation results in improper authorization. This vulnerability is identified as CVE-2026-48957. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Joomla! Project Joomla! CMS up to 5.4.6/6.1.1. This affects an unknown functionality. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. The impact remains unknown. The summary by CVE is:

An improper access check allows unauthorized users to access com_privacy datasets.

It is possible to read the advisory at developer.joomla.org. This vulnerability is uniquely identified as CVE-2026-48957 since 05/26/2026. The exploitability is told to be easy. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/07/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

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: 🔒

Timelineinfo

05/26/2026 CVE reserved
07/07/2026 +42 days Advisory disclosed
07/07/2026 +0 days VulDB entry created
07/07/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: developer.joomla.org
Status: Confirmed

CVE: CVE-2026-48957 (🔒)
GCVE (CVE): GCVE-0-2026-48957
GCVE (VulDB): GCVE-100-376671

Entryinfo

Created: 07/07/2026 20:52
Changes: 07/07/2026 20:52 (52)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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