CVE-2026-65011
5.3
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Graylog2 | graylog2-server | 0 <= 7.1.5 | affected |
| Graylog2 | graylog2-server | 0 <= 7.0.10 | affected |
| Graylog2 | graylog2-server | 46a2eeba4cdbc1408ff4cbf7b466853a8acfb38d | unaffected |
Weaknesses
- CWE-862: Missing Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/Graylog2/graylog2-server/issues/26590
- https://github.com/Graylog2/graylog2-server/pull/26706
- https://github.com/Graylog2/graylog2-server/commit/46a2eeba4cdbc1408ff4cbf7b466853a8acfb38d
- https://github.com/Graylog2/graylog2-server/pull/26718
- https://github.com/Graylog2/graylog2-server/pull/26719
- https://www.vulncheck.com/advisories/graylog2-server-missing-permission-check-on-event-definition-duplicate
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