CVE-2026-108594 Mealie 3.26.0 through 3.28.0 SSRF via OIDC Picture Claim Avatar Fetch
Authenticated users can trigger server-side requests to arbitrary internal ports via OIDC avatar URLs, potentially exposing internal services.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108594?
CVE-2026-108594 is a low-severity server-side request forgery vulnerability in mealie-recipes mealie, published on 10 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-918
Which versions are affected by CVE-2026-108594?
How do I fix CVE-2026-108594?
No fix has been published for CVE-2026-108594 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-108594 being exploited?
There is no known exploitation of CVE-2026-108594 in the wild and no public exploit code.
Sources
Also known as GHSA-rr7r-p99j-w4xq.