Vulnerability · Published Oct 10, 2026 · Assigned by VulnCheck
CVE-2026-108594Mealie 3.26.0 through 3.28.0 SSRF via OIDC Picture Claim Avatar Fetch
Low 3.5
In plain English
A low-severity server-side request forgery in mealie from mealie-recipes. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Mealie 3.26.0 through 3.28.0 contains a server-side request forgery vulnerability in the OpenID Connect avatar fetch that ignores ports when allowlisting the identity provider hostname. Authenticated OIDC users who control their picture URL can make the server send GET requests to arbitrary ports on the provider's internal address on each login.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mealie-recipes | mealie | 3.26.0 – through 3.28.0 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
References
- https://hackmd.io/@haind/mealie-oidc-avatar-ssrf third-party-advisory
- https://github.com/mealie-recipes/mealie/blob/v3.28.0/mealie/core/security/providers/openid_provider.py#L170-L200 technical-description
- https://github.com/mealie-recipes/mealie/blob/v3.28.0/mealie/pkgs/safehttp/transport.py#L60-L160 technical-description
- https://github.com/mealie-recipes/mealie product
- VulnCheck Advisory: Mealie 3.26.0 through 3.28.0 SSRF via OIDC Picture Claim Avatar Fetch third-party-advisory