gorse-io gorse up to 0.5.9 /api/dump missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k1.24

Summaryinfo

A vulnerability labeled as critical has been found in gorse-io gorse up to 0.5.9. This issue affects some unknown processing of the file /api/dump. The manipulation results in missing authentication. This vulnerability is cataloged as CVE-2026-56782. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in gorse-io gorse up to 0.5.9. Affected is an unknown part of the file /api/dump. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Gorse before 0.5.10 contains an authentication bypass vulnerability in the /api/dump and /api/restore endpoints that allows unauthenticated attackers to access protected functionality when admin_api_key is empty, which is the default configuration. Remote attackers can exfiltrate the entire database including user records, items, and feedback data containing personally identifiable information, or completely overwrite the dataset without authentication.

The weakness was shared by George Chen as 1292. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-56782 since 06/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Upgrading to version 0.5.10 eliminates this vulnerability. Applying the patch 19fdcbb309fb5b609e9cc3eb10c74885b5b27da9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-40158). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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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: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: gorse 0.5.10
Patch: 19fdcbb309fb5b609e9cc3eb10c74885b5b27da9

Timelineinfo

06/23/2026 CVE reserved
06/29/2026 +6 days Advisory disclosed
06/29/2026 +0 days VulDB entry created
06/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1292
Researcher: George Chen
Status: Confirmed

CVE: CVE-2026-56782 (🔒)
GCVE (CVE): GCVE-0-2026-56782
GCVE (VulDB): GCVE-100-374664
EUVD: 🔒

Entryinfo

Created: 06/29/2026 20:31
Updated: 06/29/2026 23:04
Changes: 06/29/2026 20:31 (80), 06/29/2026 23:04 (1)
Complete: 🔍
Cache ID: 216::103

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

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