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CVE-2026-65011

MEDIUM
4.3
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-65011
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-07-21 11:32 UTC
Published
2026-07-22 16:13 UTC
Last updated
2026-07-22 18:24 UTC
Primary CWE
CWE-862
Missing Authorization
Vendor / Product
Graylog2 / graylog2-server
Sources
cve.org  ·  NVD

Severity & Metrics

4.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
Graylog2 graylog2-server — 0 ≤ 7.1.5, 0 ≤ 7.0.10, 46a2eeba4cdbc1408ff4cbf7b466853a8acfb38d
Weakness (CWE)
CWESourceDescription
CWE-862 cna Missing Authorization
CVSS scores (2)
ScoreSeverityVersionSourceVector
5.3 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References (6)
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