wger-project wger up to 2.4 ORM Call nutritional_values authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in wger-project wger up to 2.4. This issue affects the function nutritional_values of the component ORM Call Handler. The manipulation results in authorization. This vulnerability is reported as CVE-2026-27839. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in wger-project wger up to 2.4. Affected is the function nutritional_values of the component ORM Call Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality. CVE summarizes:

wger is a free, open-source workout and fitness manager. In versions up to and including 2.4, three `nutritional_values` action endpoints fetch objects via `Model.objects.get(pk=pk)` — a raw ORM call that bypasses the user-scoped queryset. Any authenticated user can read another user's private nutrition plan data, including caloric intake and full macro breakdown, by supplying an arbitrary PK. Commit 29876a1954fe959e4b58ef070170e81703dab60e contains a fix for the issue.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-27839 since 02/24/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available.

Applying the patch 29876a1954fe959e4b58ef070170e81703dab60e is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

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

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 29876a1954fe959e4b58ef070170e81703dab60e

Timelineinfo

02/24/2026 CVE reserved
02/27/2026 +3 days Advisory disclosed
02/27/2026 +0 days VulDB entry created
03/03/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-g8gc-6c4h-jg86
Status: Confirmed

CVE: CVE-2026-27839 (🔒)
GCVE (CVE): GCVE-0-2026-27839
GCVE (VulDB): GCVE-100-348132

Entryinfo

Created: 02/27/2026 08:04
Updated: 03/03/2026 12:17
Changes: 02/27/2026 08:04 (67), 03/03/2026 12:17 (1)
Complete: 🔍
Cache ID: 216::103

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