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TI-2026-46449 Aliases CVE-2026-65011GHSA-p2j9-4mg8-mm73

Graylog2 Server Missing Permission Check on Event Definition Duplicate

Priority LOW 24CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00378 32nd percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Graylog2graylog2-serverup to 7.1.5; up to 7.0.10—Patch availableCNA
  • graylog2-server VendorGraylog2 Affected up to 7.1.5; up to 7.0.10 Fixed in — Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:*——Graylog2
  • cpe:2.3:a:graylog:graylog:*:*:*:*:*:*:*:* Versions — — ·Graylog2

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-65011
  2. 2026-10-03 Alias added: GHSA-p2j9-4mg8-mm73

References

Patch 4

Other 1

  • TI-2024-16341 graylog2-server vulnerable to instantiation of arbitrary classes triggered by API request CVSS 3.1HIGH 8.8
  • TI-2023-21671 Insecure source port usage for DNS queries in Graylog CVSS 3.1MEDIUM 5.3
  • TI-2026-01133 Incorrect management of session invalidation vulnerability in Graylog Web Interface CVSS 4.0CRITICAL 9.3
  • TI-2023-21667 User session is still usable after logout in graylog2-server CVSS 3.1LOW 3.1
  • TI-2021-15624 A Session ID leak in the audit log in Graylog before 4.1.2 allows attackers to escalate… CVSS 3.1CRITICAL 9.8
  • TI-2021-15623 A Session ID leak in the DEBUG log file in Graylog before 4.1.2 allows attackers to… CVSS 3.1CRITICAL 9.8
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences