CVE-2026-85220Network attack vector

Unauthenticated Redis service interruption

Published Sep 21, 2026 · Updated Sep 21, 2026

Denial of service in Thinkst Canary's Redis service allows remote attackers to interrupt the honeypot when the service is enabled. Thinkst has not disclosed the triggering Redis request or the resource-handling operation that fails to enforce a limit. The attack requires network access to an enabled Redis service and affects availability without reported data disclosure or modification.

CVSS severity3.7
Low
EPSS probability0.41%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Thinkst Canary's Redis service allows remote attackers to interrupt the honeypot when the service is enabled. Thinkst has not disclosed the triggering Redis request or the resource-handling operation that fails to enforce a limit. The attack requires network access to an enabled Redis service and affects availability without reported data disclosure or modification.

The record

CVE
CVE-2026-85220
Published
Sep 21, 2026
Updated
Sep 21, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-770, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.7Thinkst Applied ResearchCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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