CVE-2026-2108 json
jsbroks COCO Annotator Endpoint long_task denial of service
published 9mo ago modified 4mo ago also EUVD-2026-5719
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
A vulnerability was determined in jsbroks COCO Annotator up to 0.11.1. This impacts an unknown function of the file /api/info/long_task of the component Endpoint. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 8mo ago
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/nmmorette/vulnerability-research/blob/main/coco-anotator/Unauthenticated%20Task%20Queue%20Flood%20in%20COCO%20Annotator%202f1ef09b873680f99d39e3f7db9886fa.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:W/RC:R |
| CNA | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:W/RC:R |
| CNA | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:W/RC:UR |
| CNA | 4.0 | 5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- jsbroks COCO Annotator
Classification
- Weakness
-
- CWE-404 Improper Resource Shutdown or Release
References
-
github.com
/nmmorette/vulnerability-research/blob/main/coco-anotator/Unauthenticated%20Task%20Queue%20Flood%20in%20COCO%2
exploit, third-party-advisory
-
vuldb.com
/?id.344684
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/?ctiid.344684
signature, permissions-required, vdb-entry
-
vuldb.com
/?submit.745547
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2026-2108
- NVD CVE-2026-2108
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.