Vulnerability · Published Sep 18, 2026 · Assigned by VulnCheck

CVE-2026-93736Mealie before 3.21.0 Information Disclosure via Ratings Endpoint

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in mealie from mealie-recipes. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 67.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Mealie before 3.21.0 fails to validate user ownership in the ratings and favorites endpoints, allowing authenticated attackers to read any user's recipe ratings and favorites by specifying arbitrary user IDs in the URL path. Attackers can access private recipe identifiers, rating values, and favorite flags belonging to other users across different groups or households.

Affected products (as reported)

Vendor	Product	Versions
mealie-recipes	mealie	0 – before 3.21.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

GitHub Issue #7909 issue-tracking
https://github.com/mealie-recipes/mealie product
https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/routes/users/ratings.py#L44-L52 technical-description
https://github.com/mealie-recipes/mealie/blob/v3.20.1/mealie/repos/repository_users.py#L82-L88 technical-description
https://github.com/mealie-recipes/mealie/pull/7903 patch, issue-tracking
https://github.com/mealie-recipes/mealie/commit/6889101a760a457019276c10514e630660b3ed28 patch
mealie v3.21.0 Release Notes release-notes
VulnCheck Advisory: Mealie before 3.21.0 Information Disclosure via Ratings Endpoint third-party-advisory