What is CVE-2026-28503?

CVE-2026-28503 is a medium-severity vulnerability in Tandoor Recipes, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-26.

How severe is CVE-2026-28503?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Tandoor Recipes

CVE-2026-28503

Tandoor Recipes is an application for managing recipes, planning meals, and building shopping lists. In versions prior to 2.6.0, the `SyncViewSet.query_synced_folder()` action in `cookbook/views/api.py` (line 903) fetches a Sync object usi…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (22.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Tandoor Recipes
Tandoorrecipes Recipes — versions < 2.6.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-28503?: CVE-2026-28503 is a medium-severity vulnerability in Tandoor Recipes, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-26.
How severe is CVE-2026-28503?: Medium severity. CVSS v3 base score is 6.5 out of 10.