Thinkst Applied Research OpenCanary up to 0.9.8 MongoDB module denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k1.34

Summaryinfo

A vulnerability, which was classified as critical, was found in Thinkst Applied Research OpenCanary up to 0.9.8. This vulnerability affects unknown code of the component MongoDB module. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2026-16551. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Thinkst Applied Research OpenCanary up to 0.9.8. Affected by this issue is some unknown functionality of the component MongoDB module. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Denial-of-Service in Thinkst Applied Research OpenCanary (MongoDB module) allows Excessive Allocation. This issue affects OpenCanary 0.9.8 only.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-16551 since 07/22/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 0.9.9 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenCanary 0.9.9

Timelineinfo

07/22/2026 Advisory disclosed
07/22/2026 +0 days CVE reserved
07/22/2026 +0 days VulDB entry created
07/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-16551 (🔒)
GCVE (CVE): GCVE-0-2026-16551
GCVE (VulDB): GCVE-100-382286

Entryinfo

Created: 07/22/2026 13:45
Changes: 07/22/2026 13:45 (53)
Complete: 🔍
Cache ID: 216::103

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