CVE-2026-85220CWE-770denial-of-service

CVE-2026-85220

Low · published September 21, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
33.7
In the wild
Unconfirmed
What it is

A vulnerability in the Thinkst Canary honeypot Redis service allows an unauthenticated remote attacker to execute a Denial-of-Service attack against the honeypot.

The vulnerability is accessible when the Redis service is enabled only.

The Canary is NOT affected if the Redis service is disabled.

Thinkst has addressed this issue on all supported platforms.

New update files to address this issue are available on all platforms except Docker. For Docker customers, a new Docker image has been published which includes the patch. Customers with automatic updates enabled already have updates in distribution. If automatic updates are disabled, customers are advised to update their Canaries.

Workarounds are available for customers unable to update at this time.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00406 · 33.7th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-09-21T18:17Z
References (1)
EPSS history
Timeline
  • 23 SEP 03:48Z
    EPSS moved — → 0%
    epss
  • 21 SEP 13:13Z
    Denial-of-Service in the Thinkst Canary Redis service
    cvelistv5