Denial of Service Vulnerability in jsbroks COCO Annotator
CVE-2026-2108

6.9MEDIUM

Key Information:

Vendor

Jsbroks

Status
Coco Annotator
Vendor
CVE Published:
7 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-2108?

A vulnerability exists in jsbroks COCO Annotator versions up to 0.11.1, specifically affecting the Endpoint component located at /api/info/long_task. This security issue allows an attacker to initiate a denial of service attack remotely, disrupting service availability. The exploit has been made public, and while the vendor was informed of this vulnerability prior to disclosure, there has been no response. It is crucial for users to assess their systems for this vulnerability to prevent potential service disruptions.

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Affected Version(s)

COCO Annotator 0.11.0

COCO Annotator 0.11.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-2108 - Proof of Concept

References

https://vuldb.com/?id.344684
vdb-entry
https://vuldb.com/?ctiid.344684
signaturepermissions-required
https://vuldb.com/?submit.745547
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

nmmorette (VulDB User)
JSON
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