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Velociraptor EUVDEUVD-2026-85882

| CVE-2026-77798 MEDIUM
Deadlock (CWE-833)
2026-09-24 rapid7 GHSA-599v-36j6-3rj2
6.5
CVSS 3.1 · Vendor: rapid7
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Severity by source

Vendor (rapid7) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
vuln.today AI
6.5 MEDIUM

Authenticated low-priv remote user (PR:L, AV:N, AC:L) triggers a deadlock affecting only availability (A:H); no confidentiality or integrity impact and no scope change.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
MEDIUM
qualitative

Primary rating from Vendor (rapid7).

CVSS VectorVendor: rapid7

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch available
Sep 24, 2026 - 15:16 EUVD
Metadata Corrected
Sep 24, 2026 - 14:40 vuln.today
tag: Information Disclosure removed
Analysis Generated
Sep 24, 2026 - 14:24 vuln.today

DescriptionCVE.org

Velociraptor contains a deadlock condition that may be triggered by authenticated users. The issue stems from a lock management bug in the user management module.

AnalysisAI

Authenticated users of Rapid7 Velociraptor can trigger a server-side deadlock in the platform's user-management module, hanging server operations and causing a denial of service (CVSS 6.5, AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Exploitation requires only a valid low-privileged account that can reach the user-management code path over the network - no user interaction, no elevated role, and no special configuration - but it offers no data read, modification, or code execution, so it cannot be used for initial access or lateral escalation. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Requires an authenticated Velociraptor account with at least low privileges (PR:L) able to reach the user-management module over the network; no user interaction and no special non-default configuration are needed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a moderate-severity availability-only issue, not a top priority. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Patch status: Upstream fix available (PR/commit); released patched version not independently confirmed - the fix is referenced as the commit https://github.com/Velocidex/velociraptor/commit/b64d915422da2e8366781bea2b5c5e6808df829c, and operators should confirm with the vendor advisory at http://docs.velociraptor.app/announcements/advisories/cve-2026-7798/ (reconcile the advisory's CVE identifier against CVE-2026-77798 before acting) which released build contains the lock-management correction, then upgrade to that build or newer. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-64954 HIGH
8.2 Aug 12

Privilege escalation in Velociraptor's notebook VQL execution path allows analyst-role users to bypass the COLLECT_CLIEN

CVE-2025-14728 MEDIUM POC
6.8 Dec 29

Directory traversal in Rapid7 Velociraptor servers running on Linux before 0.75.6 lets a rogue enrolled client upload a

CVE-2026-19583 CRITICAL
9.9 Sep 10

Privilege escalation in Rapid7 Velociraptor lets any user permitted to schedule client monitoring artifacts run otherwis

CVE-2026-19072 CRITICAL
9.9 Sep 24

Privilege escalation in Rapid7 Velociraptor allows an authenticated user holding only the 'investigator' role to execute

CVE-2026-18972 CRITICAL
9.6 Aug 11

Privilege escalation to administrator in Rapid7 Velociraptor (all versions before 0.77.2) allows an authenticated low-pr

CVE-2025-6264 MEDIUM POC
5.5 Jun 20

Velociraptor allows collection of VQL queries packaged into Artifacts from endpoints. These artifacts can be used to do

CVE-2026-19200 HIGH
8.9 Aug 24

Privilege escalation in Velociraptor allows any user with the NOTEBOOK_EDIT permission - typically an analyst-level role

CVE-2023-0242 HIGH
8.8 Jan 18

Rapid7 Velociraptor allows users to be created with different privileges on the server. Rated high severity (CVSS 8.8),

CVE-2026-18860 HIGH
8.7 Aug 11

Privilege escalation in Rapid7 Velociraptor's multi-tenant org management allows child org administrators to delete any

CVE-2026-5329 HIGH
8.5 Apr 09

Remote code execution in Rapid7 Velociraptor server (primarily Linux) allows authenticated clients to write malicious me

CVE-2026-15371 HIGH
8.1 Aug 18

Cross-site scripting in Velociraptor's web GUI arises from unsanitized URL scheme handling in URL-typed table columns, e

CVE-2026-6290 HIGH
8.0 Apr 15

Multi-tenancy authorization bypass in Velociraptor before 0.76.3 allows authenticated GUI users to execute VQL queries a

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Linux Enterprise Server 16.0 Affected
SUSE Linux Enterprise Server 16.1 Affected
SUSE Linux Enterprise Server for SAP applications 16.0 Affected
SUSE Linux Enterprise Server for SAP applications 16.1 Affected
openSUSE Leap 16.0 Affected

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EUVD-2026-85882 vulnerability details – vuln.today

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