jsbroks COCO Annotator up to 0.11.1 Endpoint /api/info/long_task denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in jsbroks COCO Annotator up to 0.11.1 and classified as problematic. Affected is an unknown function of the file /api/info/long_task of the component Endpoint. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2026-2108. The attack may be launched remotely. Furthermore, there is an exploit available. Restrictive firewalling should be applied. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability, which was classified as problematic, has been found in jsbroks COCO Annotator up to 0.11.1. Affected by this issue is an unknown code of the file /api/info/long_task of the component Endpoint. 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.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-2108. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.
The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
Addressing this vulnerability is possible by firewalling .
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5719). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.0VulDB Meta Temp Score: 5.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔒
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔒
Timeline
02/06/2026 Advisory disclosed02/06/2026 VulDB entry created
02/27/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-2108 (🔒)
GCVE (CVE): GCVE-0-2026-2108
GCVE (VulDB): GCVE-100-344684
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/06/2026 15:28Updated: 02/27/2026 15:42
Changes: 02/06/2026 15:28 (57), 02/07/2026 20:52 (31), 02/08/2026 00:50 (1), 02/27/2026 15:42 (12)
Complete: 🔍
Submitter: nmmorette
Cache ID: 216::103
Submit
Accepted
- Submit #745547: coco-annotator 0.11.1 Denial of Service (by nmmorette)
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.