ellite Wallos up to 4.9.0 update_exchange.php privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.54+

Summaryinfo

A vulnerability was found in ellite Wallos up to 4.9.0. It has been declared as problematic. The affected element is an unknown function of the file endpoints/currency/update_exchange.php. Executing a manipulation can lead to privileges management. This vulnerability is registered as CVE-2026-50199. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in ellite Wallos up to 4.9.0 and classified as problematic. This vulnerability affects some unknown processing of the file endpoints/currency/update_exchange.php. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect integrity. CVE summarizes:

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.1, endpoints/currency/update_exchange.php loads the first Fixer/API Layer credential globally instead of loading the credential for the authenticated user. As a result, a normal authenticated user without their own provider key can trigger exchange-rate refreshes using another user's stored provider credential. This issue has been patched in version 4.9.1.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-50199 since 06/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

By approaching the search of inurl:endpoints/currency/update_exchange.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 4.9.1 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wallos 4.9.1

Timelineinfo

06/04/2026 CVE reserved
08/31/2026 +88 days Advisory disclosed
08/31/2026 +0 days VulDB entry created
08/31/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-50199 (🔒)
GCVE (CVE): GCVE-0-2026-50199
GCVE (VulDB): GCVE-100-397480

Entryinfo

Created: 08/31/2026 23:20
Changes: 08/31/2026 23:20 (64)
Complete: 🔍
Cache ID: 216::103

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