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  4. CVE 2026 85219 denial of service in the opencanary redis service
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Back to active CVEs
Low · CVSS 3.7CVE-2026-85219

Denial-of-Service in the OpenCanary Redis serviceCVE-2026-85219

Answer in brief

CVE-2026-85219 records a Low severity (CVSS 3.7) vulnerability in Denial-of-Service in the OpenCanary Redis service. The current sources do not mark it as known exploited. The current feed maps Thinkst Applied Research/opencanary (generic), Thinkst Applied Research/OpenCanary (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 21, 2026Updated Sep 22, 2026Source checked Nov 5, 2026First seen by HOL Sep 21, 2026Material review Sep 22, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.7
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 3.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Thinkst Applied Research/opencanary (generic), Thinkst Applied Research/OpenCanary (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Thinkst Applied Research/opencanarygeneric>=0.4 <0.9.100.9.10
Thinkst Applied Research/OpenCanarygeneric>=0.4 <0.9.100.9.10

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Thinkst Applied Research/opencanary, Thinkst Applied Research/OpenCanary.
  2. 2Review the reported fix. Source-reported workaround: Disable the Redis module.

Evidence timeline and material changes

  1. Published upstream

    Sep 21, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 22, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 21, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
Upstream source description

Denial-of-Service in Redis module in Thinkst Canary's OpenCanary 0.9.9 allows an unauthenticated remote attacker cause unconstrained memory usage.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Model Context Protocol TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validationAlso CWE-770
  • Pillow: EPS load(scale) lets Ghostscript render past the decompression bomb limitAlso CWE-770
  • Sliver: Unauthenticated Memory Exhaustion Denial of Service in Sliver HTTP(S) Listener PNG DecoderAlso CWE-770

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Nov 5, 2026
References
1 linked source
Open source record