grimmory-tools grimmory up to 3.3.3/3.4.1 Settings API Endpoint AppSettingController.java AppSettingController.getAppSettings authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k1.94-

Summaryinfo

A vulnerability identified as problematic has been detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function AppSettingController.getAppSettings of the file backend/src/main/java/org/booklore/controller/AppSettingController.java of the component Settings API Endpoint. Performing a manipulation results in authorization. This vulnerability was named CVE-2026-93954. The attack may be initiated remotely. In addition, an exploit is available. It is suggested to install a patch to address this issue. PR #2558, merged as 53abc8b, moved the OIDC secret into a dedicated setting, but did not by itself restrict GET /api/v1/settings.

Detailsinfo

A vulnerability was found in grimmory-tools grimmory up to 3.3.3/3.4.1. It has been classified as problematic. This affects the function AppSettingController.getAppSettings of the file backend/src/main/java/org/booklore/controller/AppSettingController.java of the component Settings API Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-93954. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. PR #2558, merged as 53abc8b, moved the OIDC secret into a dedicated setting, but did not by itself restrict GET /api/v1/settings.

Applying the patch 2b66ca6df8110f6b512e030b54c16b9fbe318f17 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
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: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
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: 2b66ca6df8110f6b512e030b54c16b9fbe318f17

Timelineinfo

09/19/2026 Advisory disclosed
09/19/2026 +0 days VulDB entry created
09/19/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2430
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-93954 (🔒)
GCVE (CVE): GCVE-0-2026-93954
GCVE (VulDB): GCVE-100-407913
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/19/2026 10:56
Changes: 09/19/2026 10:56 (62)
Complete: 🔍
Submitter: summmm
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #943919: grimmory-tools grimmory 3.3.3 Incorrect Access Control (by summmm)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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