CVE-2026-2109: A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1

Q: How do I fix CVE-2026-2109?

coco annotator: upgrade to newer than 0.11.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-2109 being exploited?

CVE-2026-2109 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2109 affect?

CVE-2026-2109 affects coco annotator. Severity is medium (CVSS 5.4). A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. Th

Q: How urgent is CVE-2026-2109?

Priority 33/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2026-2109 is a medium-severity flaw (CVSS 5.4) affecting coco annotator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-266, CWE-285
Published	2026-02-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: jsbroks

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-07 20:15 UTCPublished CVE record published
2026-06-17 10:30 UTCUpdated Record last modified

jsbroks coco annotator UPGRADE

Affected: <= 0.11.1

Fixed in: newer than 0.11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy coco-annotator || rpm -q coco-annotator || coco-annotator --version

2. UPGRADE to newer than 0.11.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade coco-annotator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade coco-annotator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-2109?

coco annotator: upgrade to newer than 0.11.1. Exact commands for each OS are on this page.

Is CVE-2026-2109 being exploited?

CVE-2026-2109 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-2109 affect?

CVE-2026-2109 affects coco annotator. Severity is medium (CVSS 5.4). A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. Th

How urgent is CVE-2026-2109?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2026-2108 MEDIUM 5.3 UPGRADE A vulnerability was determined in jsbroks COCO Annotator up to 0.11.1
CVE-2024-10141 LOW 3.7 DOWNGRADE A vulnerability, which was classified as problematic, was found in jsbroks COCO Annotator 0.11.1

References

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