CVE-2026-124026: Bar Assistant 6.0.0-rc1 before 6.11.0 contains an incorrect authorization vulnerability in CocktailController:

Routine

MEDIUM 4.3UPGRADE

CVE-2026-124026 is a medium-severity flaw (CVSS 4.3) affecting bar-assistant. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bar Assistant 6.0.0-rc1 before 6.11.0 contains an incorrect authorization vulnerability in CocktailController::copy that allows registered users to bypass source cocktail membership checks. Attackers owning a bar can POST to /api/cocktails/{id}/copy with other bars' cocktail ids to copy private recipes and images into their own bar.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-863
Published	2026-11-06
Last modified	2026-11-06

Publisher (CNA): VulnCheck · Vendor: karlomikus · Source: CVE Program record (NVD analysis pending)

Last updated 2026-11-06 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-11-06 19:14 UTCPublished CVE record published
2026-11-06 19:14 UTCUpdated Record last modified

karlomikus bar-assistant UPGRADE

Affected: >= 6.0.0-rc1 and < 6.11.0

Fixed in: 6.11.0

Safe to downgrade to: a release before 6.0.0-rc1

1. Check installed version

apt-cache policy bar-assistant || rpm -q bar-assistant || bar-assistant --version

2. UPGRADE to 6.11.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bar-assistant

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bar-assistant

Note

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

3. If no update is available yet, DOWNGRADE to a release before 6.0.0-rc1 (Debian / Ubuntu)

apt-cache madison bar-assistant sudo apt install bar-assistant=<VERSION_BEFORE_6.0.0-rc1> sudo apt-mark hold bar-assistant

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bar-assistant sudo dnf downgrade bar-assistant-<VERSION_BEFORE_6.0.0-rc1> sudo dnf versionlock add bar-assistant

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-124026?

bar-assistant: upgrade to 6.11.0. Exact commands for each OS are on this page.

Is CVE-2026-124026 being exploited?

CVE-2026-124026 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-2026-124026 affect?

CVE-2026-124026 affects bar-assistant. Severity is medium (CVSS 4.3). Bar Assistant 6.0.0-rc1 before 6.11.0 contains an incorrect authorization vulnerability in CocktailController::copy that allows registered users to bypass source cocktail membership checks. Attackers owning a bar can POST to /api/cocktails/

How urgent is CVE-2026-124026?

Priority 15/100. No elevated risk signals yet.

References

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