Graylog Server up to 7.0.10/7.1.5 Duplicate definitionId permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k3.38

Summaryinfo

A vulnerability, which was classified as critical, was found in Graylog Server up to 7.0.10/7.1.5. This affects an unknown part of the component Duplicate. Executing a manipulation of the argument definitionId can lead to permission. The identification of this vulnerability is CVE-2026-65011. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Graylog Server up to 7.0.10/7.1.5. This vulnerability affects some unknown functionality of the component Duplicate. The manipulation of the argument definitionId with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Graylog2 Server before commit 46a2eeb contains a missing per-entity permission check in the POST /events/definitions/{definitionId}/duplicate endpoint that allows authenticated users to clone any event definition. Attackers with the low-privilege eventdefinitions:create capability can read private event definitions including detection queries, aggregation thresholds, grouping fields, schedules, and notification bindings by duplicating them.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-65011 since 07/21/2026. 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 T1222.

Applying the patch 46a2eeb is able to eliminate this problem.

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Permission
CWE: CWE-275 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Patch: 46a2eeb

Timelineinfo

07/21/2026 CVE reserved
07/22/2026 +1 days Advisory disclosed
07/22/2026 +0 days VulDB entry created
07/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-65011 (🔒)
GCVE (CVE): GCVE-0-2026-65011
GCVE (VulDB): GCVE-100-382384

Entryinfo

Created: 07/22/2026 18:46
Changes: 07/22/2026 18:46 (54)
Complete: 🔍
Cache ID: 216::103

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